macOS 12 AudioUnit crash on startup

[tonell-m]

Bug Description

Hi all, I'm getting this crash on Mixxx startup on macOS Monterey (see detailed log below). I've tried installing the app via mixxx.org and using brew but both give the same result. When starting Mixxx, I just see the loading indicator with the logo for a split second, then it crashes instantly.

I've also tried launching with --safeMode option but the issue persists, though I do see some linking error printed out in the console as well as some warnings tied to loading Audio Units.

Terminal output

/Applications/Mixxx.app/Contents/MacOS/Mixxx --safeMode
dlopen error : dlopen(libjack.0.dylib, 0x0001): tried: 'libjack.0.dylib' (no such file), '/usr/local/lib/libjack.0.dylib' (no such file), '/usr/lib/libjack.0.dylib' (no such file), '/Users/tonell_m/Library/Containers/org.mixxx.mixxx/Data/libjack.0.dylib' (no such file)
dlopen error : dlopen(/usr/local/lib/libjack.0.dylib, 0x0001): tried: '/usr/local/lib/libjack.0.dylib' (no such file)
Using preferences ScaleFactor 1
Selected Qt style: "macos"
Setting Qt plugin search path to: "/Applications/Mixxx.app/Contents"
Loading resources from  "/Applications/Mixxx.app/Contents/Resources/"
Configuration file is now at the current version "2.5.4"
BroadcastSettings - Found 1 profile(s)
warning [Main] Audio Unit "TAL-Reverb-2" could not be instantiated: -3000 (Check https://www.osstatus.com for a description)
warning [Main] Instantiated Audio Unit "TAL-Reverb-2"  is null, despite not erroring on initialization, something's wrong
warning [Main] Audio Unit "Eos 2" could not be instantiated: -3000 (Check https://www.osstatus.com for a description)
warning [Main] Instantiated Audio Unit "Eos 2"  is null, despite not erroring on initialization, something's wrong
warning [Main] Audio Unit "Digitalis" could not be instantiated: -3000 (Check https://www.osstatus.com for a description)
warning [Main] Instantiated Audio Unit "Digitalis"  is null, despite not erroring on initialization, something's wrong
warning [Main] Audio Unit "ValhallaFreqEcho" could not be instantiated: -3000 (Check https://www.osstatus.com for a description)
warning [Main] Instantiated Audio Unit "ValhallaFreqEcho"  is null, despite not erroring on initialization, something's wrong
warning [Main] Audio Unit "Supercharger" could not be instantiated: -3000 (Check https://www.osstatus.com for a description)
warning [Main] Instantiated Audio Unit "Supercharger"  is null, despite not erroring on initialization, something's wrong
warning [Main] Audio Unit "Phasis" could not be instantiated: -3000 (Check https://www.osstatus.com for a description)
warning [Main] Instantiated Audio Unit "Phasis"  is null, despite not erroring on initialization, something's wrong
[1]    73050 bus error  /Applications/Mixxx.app/Contents/MacOS/Mixxx --safeMode

Crash report

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------

Process:               Mixxx [72986]
Path:                  /Applications/Mixxx.app/Contents/MacOS/Mixxx
Identifier:            org.mixxx.mixxx
Version:               2.5.4 (2.5.4)
Code Type:             X86-64 (Native)
Parent Process:        launchd [1]
User ID:               501

Date/Time:             2026-02-28 14:35:27.5454 +0100
OS Version:            macOS 12.6.7 (21G651)
Report Version:        12
Bridge OS Version:     3.0 (14Y910)
Anonymous UUID:        0C274542-B9AE-E490-562A-BA2744E179F1

Sleep/Wake UUID:       0CB5F0A8-D806-41FD-8309-74667D6502B8

Time Awake Since Boot: 76000 seconds
Time Since Wake:       3199 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGBUS)
Exception Codes:       KERN_PROTECTION_FAILURE at 0x0000000121dda0b0
Exception Codes:       0x0000000000000002, 0x0000000121dda0b0
Exception Note:        EXC_CORPSE_NOTIFY

Termination Reason:    Namespace SIGNAL, Code 10 Bus error: 10
Terminating Process:   exc handler [72986]

VM Region Info: 0x121dda0b0 is in 0x121d3c000-0x121df7000;  bytes after start: 647344  bytes before end: 118607
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      mapped file                 121bc0000-121c17000    [  348K] r--/rwx SM=COW  ...t_id=9be40aff
      GAP OF 0x125000 BYTES
--->  __TEXT                      121d3c000-121df7000    [  748K] r-x/rwx SM=COW  ...talDistortion
      __DATA                      121df7000-121dfb000    [   16K] rw-/rwx SM=COW  ...talDistortion

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   libsystem_platform.dylib      	    0x7ff816a50673 _platform_bzero$VARIANT$Haswell + 115
1   DigitalDistortion             	       0x121d6fa16 CFAUPresetArrayCallBacks_Init + 54
2   DigitalDistortion             	       0x121d6fa80 kCFAUPresetArrayCallBacks_constructor + 16
3   dyld                          	       0x121ee6e4f invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const + 182
4   dyld                          	       0x121f0d911 invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const + 129
5   dyld                          	       0x121f04e26 invocation function for block in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const + 557
6   dyld                          	       0x121ed3db3 dyld3::MachOFile::forEachLoadCommand(Diagnostics&, void (load_command const*, bool&) block_pointer) const + 129
7   dyld                          	       0x121f04bb7 dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const + 179
8   dyld                          	       0x121f0d342 dyld3::MachOAnalyzer::forEachInitializerPointerSection(Diagnostics&, void (unsigned int, unsigned int, unsigned char const*, bool&) block_pointer) const + 118
9   dyld                          	       0x121f0d5b4 dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const + 386
10  dyld                          	       0x121ee6d82 dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const + 144
11  dyld                          	       0x121ee6f0e dyld4::Loader::runInitializersBottomUp(dyld4::RuntimeState&, dyld3::Array<dyld4::Loader const*>&) const + 178
12  dyld                          	       0x121ee6fb2 dyld4::Loader::runInitializersBottomUpPlusUpwardLinks(dyld4::RuntimeState&) const + 108
13  dyld                          	       0x121ef5e00 dyld4::APIs::dlopen_from(char const*, int, void*) + 592
14  CoreFoundation                	    0x7ff816b2a9a4 _CFBundleDlfcnLoadBundle + 149
15  CoreFoundation                	    0x7ff816ba491f _CFBundleLoadExecutableAndReturnError + 484
16  AudioToolboxCore              	    0x7ff817f83fa1 APComponent_FromBundle_Loadable::ResolveFactoryFunction() + 67
17  AudioToolboxCore              	    0x7ff817f82ece APComponent::newInstance(unsigned int, bool, void (OpaqueAudioComponentInstance*, int) block_pointer) + 126
18  AudioToolboxCore              	    0x7ff818078c8c instantiate(OpaqueAudioComponent*, unsigned int, bool, void (OpaqueAudioComponentInstance*, int) block_pointer) + 311
19  AudioToolboxCore              	    0x7ff818079028 __AudioComponentInstanceNew_block_invoke + 88
20  AudioToolboxCore              	    0x7ff817f0a475 Synchronously + 87
21  AudioToolboxCore              	    0x7ff818078ede AudioComponentInstanceNew + 183
22  Mixxx                         	       0x10e6f333f AudioUnitManager::instantiateAudioUnitSync(QSharedPointer<AudioUnitManager>, AVAudioUnitComponent*) + 63

Thread 1:
0   libsystem_pthread.dylib       	    0x7ff816a38f48 start_wqthread + 0

Thread 2:
0   libsystem_pthread.dylib       	    0x7ff816a38f48 start_wqthread + 0

Thread 3:
0   libsystem_pthread.dylib       	    0x7ff816a38f48 start_wqthread + 0

Thread 4:
0   libsystem_pthread.dylib       	    0x7ff816a38f48 start_wqthread + 0

Thread 5:: Thread (pooled)
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10df661cc QWaitConditionPrivate::wait_relative(QDeadlineTimer) + 300
3   Mixxx                         	       0x10df65ffe QWaitConditionPrivate::wait(QDeadlineTimer) + 94
4   Mixxx                         	       0x10df65f4e QWaitCondition::wait(QMutex*, QDeadlineTimer) + 94
5   Mixxx                         	       0x10df61325 QThreadPoolThread::run() + 917
6   Mixxx                         	       0x10df5d743 QThreadPrivate::start(void*) + 323
7   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
8   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 6:: Thread (pooled)
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10df661cc QWaitConditionPrivate::wait_relative(QDeadlineTimer) + 300
3   Mixxx                         	       0x10df65ffe QWaitConditionPrivate::wait(QDeadlineTimer) + 94
4   Mixxx                         	       0x10df65f4e QWaitCondition::wait(QMutex*, QDeadlineTimer) + 94
5   Mixxx                         	       0x10df61325 QThreadPoolThread::run() + 917
6   Mixxx                         	       0x10df5d743 QThreadPrivate::start(void*) + 323
7   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
8   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 7:: Thread (pooled)
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10df661cc QWaitConditionPrivate::wait_relative(QDeadlineTimer) + 300
3   Mixxx                         	       0x10df65ffe QWaitConditionPrivate::wait(QDeadlineTimer) + 94
4   Mixxx                         	       0x10df65f4e QWaitCondition::wait(QMutex*, QDeadlineTimer) + 94
5   Mixxx                         	       0x10df61325 QThreadPoolThread::run() + 917
6   Mixxx                         	       0x10df5d743 QThreadPrivate::start(void*) + 323
7   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
8   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 8:: Thread (pooled)
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10df661cc QWaitConditionPrivate::wait_relative(QDeadlineTimer) + 300
3   Mixxx                         	       0x10df65ffe QWaitConditionPrivate::wait(QDeadlineTimer) + 94
4   Mixxx                         	       0x10df65f4e QWaitCondition::wait(QMutex*, QDeadlineTimer) + 94
5   Mixxx                         	       0x10df61325 QThreadPoolThread::run() + 917
6   Mixxx                         	       0x10df5d743 QThreadPrivate::start(void*) + 323
7   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
8   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 9:: com.apple.NSEventThread
0   libsystem_kernel.dylib        	    0x7ff816a0096a mach_msg_trap + 10
1   libsystem_kernel.dylib        	    0x7ff816a00cd8 mach_msg + 56
2   CoreFoundation                	    0x7ff816b0434d __CFRunLoopServiceMachPort + 319
3   CoreFoundation                	    0x7ff816b029d8 __CFRunLoopRun + 1276
4   CoreFoundation                	    0x7ff816b01e1c CFRunLoopRunSpecific + 562
5   AppKit                        	    0x7ff8196aa98e _NSEventThread + 132
6   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15


Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000121dda090  rbx: 0x00007ff7b21291f0  rcx: 0xffffffffffffffff  rdx: 0x0000000000000020
  rdi: 0x0000000121dda090  rsi: 0x0000000000000000  rbp: 0x00007ff7b21291b0  rsp: 0x00007ff7b21291b0
   r8: 0x00007ff8581c14f0   r9: 0x0000000000000000  r10: 0x00007ff858190ee0  r11: 0x00000000000211b0
  r12: 0x00007ff7b21296d0  r13: 0x0000000121d3c9c0  r14: 0x0000000121d6fa70  r15: 0x0000000117386060
  rip: 0x00007ff816a50673  rfl: 0x0000000000010202  cr2: 0x0000000121dda0b0
  
Logical CPU:     0
Error Code:      0x00000006 (no mapping for user data write)
Trap Number:     14

Thread 0 instruction stream:
  40 72 61 48 81 fa 00 80-00 00 72 11 48 89 d1 48  @raH......r.H..H
  89 f0 48 89 fa fc f3 aa-48 89 d0 5d c3 c4 e2 7d  ..H.....H..]...}
  18 c0 c5 fc 11 07 48 83-c7 20 48 83 e7 e0 48 89  ......H.. H...H.
  f9 48 29 c1 48 29 ca 48-83 ea 40 76 13 c5 fc 29  .H).H).H..@v...)
  07 c5 fc 29 47 20 48 83-c7 40 48 83 ea 40 77 ed  ...)G H..@H..@w.
  c5 fc 11 04 17 c5 fc 11-44 17 20 c5 f8 77 5d c3  ........D. ..w].
 [48]89 34 17 48 83 ea 08-73 f6 48 83 c2 08 74 0b  H.4.H...s.H...t.	<==
  40 88 74 17 ff 48 83 ea-01 75 f5 5d c3 90 90 90  @.t..H...u.]....
  90 90 90 90 90 90 90 90-90 90 90 90 90 55 48 89  .............UH.
  e5 48 89 f9 48 89 fa 48-83 e7 f0 66 0f ef c0 66  .H..H..H...f...f
  0f 74 07 66 0f d7 f0 48-83 e1 0f 48 83 c8 ff 48  .t.f...H...H...H
  d3 e0 21 c6 74 17 0f bc-c6 48 29 d7 48 01 f8 5d  ..!.t....H).H..]

Binary Images:
    0x7ff816a4f000 -     0x7ff816a58fff libsystem_platform.dylib (*) <a8a33774-6d44-35e9-ad2a-bad9e4d5192a> /usr/lib/system/libsystem_platform.dylib
       0x121d3c000 -        0x121df6fff com.WalterNup.audiounit.DigitalDistortion (1.0.0) <ddb55247-99db-3637-8b67-94717e273832> /Users/USER/Library/Audio/Plug-Ins/Components/DigitalDistortion.component/Contents/MacOS/DigitalDistortion
       0x121ed2000 -        0x121f3dfff dyld (*) <2517e9fe-884a-3855-8532-92bffba3f81c> /usr/lib/dyld
    0x7ff816a84000 -     0x7ff816f86fff com.apple.CoreFoundation (6.9) <70b99b27-1b5b-33c4-b401-2ecdb80f3303> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7ff817ed8000 -     0x7ff818168fff com.apple.audio.AudioToolboxCore (1.0) <dfddfbc1-bc7c-37e3-b164-25aed3c1db1b> /System/Library/PrivateFrameworks/AudioToolboxCore.framework/Versions/A/AudioToolboxCore
       0x10ddd4000 -        0x114c01fff org.mixxx.mixxx (2.5.4) <105f5063-9f78-332a-8976-f7d2e3f5a445> /Applications/Mixxx.app/Contents/MacOS/Mixxx
    0x7ff816a37000 -     0x7ff816a42fff libsystem_pthread.dylib (*) <e5d44afd-2577-3cee-8711-9d8d426229e0> /usr/lib/system/libsystem_pthread.dylib
    0x7ff8169ff000 -     0x7ff816a36fff libsystem_kernel.dylib (*) <d0b338e0-26be-371b-a819-80b7d619a4ad> /usr/lib/system/libsystem_kernel.dylib
    0x7ff8194fe000 -     0x7ff81a38dfff com.apple.AppKit (6.9) <1a1a9da7-da66-31da-92cd-51b9cf968145> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=1.2G resident=0K(0%) swapped_out_or_unallocated=1.2G(100%)
Writable regions: Total=629.5M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=629.5M(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               128K        1 
Activity Tracing                   256K        1 
CG backing stores                 2528K        4 
CG image                            36K        1 
ColorSync                          228K       26 
CoreAnimation                       68K        5 
CoreGraphics                        12K        2 
CoreUI image data                  808K        5 
Foundation                          16K        1 
Kernel Alloc Once                    8K        1 
MALLOC                           214.0M       54 
MALLOC guard page                   32K        8 
MALLOC_NANO (reserved)           384.0M        1         reserved VM address space (unallocated)
ObjC additional data                15K        1 
STACK GUARD                       56.0M       10 
Stack                             12.6M       11 
VM_ALLOCATE                        152K       17 
__CTF                               756        1 
__DATA                            51.5M      402 
__DATA_CONST                      24.1M      235 
__DATA_DIRTY                       842K      136 
__FONT_DATA                          4K        1 
__GLSLBUILTINS                    5176K        1 
__LINKEDIT                       670.2M       18 
__TEXT                           596.2M      411 
__UNICODE                          592K        1 
dyld private memory               1024K        1 
mapped file                      160.3M       32 
shared memory                      772K       15 
===========                     =======  ======= 
TOTAL                              2.1G     1403 
TOTAL, minus reserved VM space     1.8G     1403 



-----------
Full Report
-----------

{"app_name":"Mixxx","timestamp":"2026-02-28 14:35:27.00 +0100","app_version":"2.5.4","slice_uuid":"105f5063-9f78-332a-8976-f7d2e3f5a445","build_version":"2.5.4","platform":1,"bundleID":"org.mixxx.mixxx","share_with_app_devs":0,"is_first_party":0,"bug_type":"309","os_version":"macOS 12.6.7 (21G651)","incident_id":"8A577FBB-F95A-4448-9EC5-C9FEC3078786","name":"Mixxx"}
{
  "uptime" : 76000,
  "procLaunch" : "2026-02-28 14:35:26.5291 +0100",
  "procRole" : "Foreground",
  "version" : 2,
  "userID" : 501,
  "deployVersion" : 210,
  "modelCode" : "MacBookPro13,3",
  "procStartAbsTime" : 76628153397257,
  "coalitionID" : 9177,
  "osVersion" : {
    "train" : "macOS 12.6.7",
    "build" : "21G651",
    "releaseType" : "User"
  },
  "captureTime" : "2026-02-28 14:35:27.5454 +0100",
  "incident" : "8A577FBB-F95A-4448-9EC5-C9FEC3078786",
  "bug_type" : "309",
  "pid" : 72986,
  "procExitAbsTime" : 76629166695075,
  "cpuType" : "X86-64",
  "procName" : "Mixxx",
  "procPath" : "\/Applications\/Mixxx.app\/Contents\/MacOS\/Mixxx",
  "bundleInfo" : {"CFBundleShortVersionString":"2.5.4","CFBundleVersion":"2.5.4","CFBundleIdentifier":"org.mixxx.mixxx"},
  "storeInfo" : {"deviceIdentifierForVendor":"3206EE12-10B1-5DDC-8F88-A87ACC288A03","thirdParty":true},
  "parentProc" : "launchd",
  "parentPid" : 1,
  "coalitionName" : "org.mixxx.mixxx",
  "crashReporterKey" : "0C274542-B9AE-E490-562A-BA2744E179F1",
  "wakeTime" : 3199,
  "bridgeVersion" : {"build":"14Y910","train":"3.0"},
  "sleepWakeUUID" : "0CB5F0A8-D806-41FD-8309-74667D6502B8",
  "sip" : "enabled",
  "vmRegionInfo" : "0x121dda0b0 is in 0x121d3c000-0x121df7000;  bytes after start: 647344  bytes before end: 118607\n      REGION TYPE                    START - END         [ VSIZE] PRT\/MAX SHRMOD  REGION DETAIL\n      mapped file                 121bc0000-121c17000    [  348K] r--\/rwx SM=COW  ...t_id=9be40aff\n      GAP OF 0x125000 BYTES\n--->  __TEXT                      121d3c000-121df7000    [  748K] r-x\/rwx SM=COW  ...talDistortion\n      __DATA                      121df7000-121dfb000    [   16K] rw-\/rwx SM=COW  ...talDistortion",
  "isCorpse" : 1,
  "exception" : {"codes":"0x0000000000000002, 0x0000000121dda0b0","rawCodes":[2,4863140016],"type":"EXC_BAD_ACCESS","signal":"SIGBUS","subtype":"KERN_PROTECTION_FAILURE at 0x0000000121dda0b0"},
  "termination" : {"flags":0,"code":10,"namespace":"SIGNAL","indicator":"Bus error: 10","byProc":"exc handler","byPid":72986},
  "vmregioninfo" : "0x121dda0b0 is in 0x121d3c000-0x121df7000;  bytes after start: 647344  bytes before end: 118607\n      REGION TYPE                    START - END         [ VSIZE] PRT\/MAX SHRMOD  REGION DETAIL\n      mapped file                 121bc0000-121c17000    [  348K] r--\/rwx SM=COW  ...t_id=9be40aff\n      GAP OF 0x125000 BYTES\n--->  __TEXT                      121d3c000-121df7000    [  748K] r-x\/rwx SM=COW  ...talDistortion\n      __DATA                      121df7000-121dfb000    [   16K] rw-\/rwx SM=COW  ...talDistortion",
  "extMods" : {"caller":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"system":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"targeted":{"thread_create":0,"thread_set_state":0,"task_for_pid":0},"warnings":0},
  "faultingThread" : 0,
  "threads" : [{"triggered":true,"id":988115,"instructionState":{"instructionStream":{"bytes":[64,114,97,72,129,250,0,128,0,0,114,17,72,137,209,72,137,240,72,137,250,252,243,170,72,137,208,93,195,196,226,125,24,192,197,252,17,7,72,131,199,32,72,131,231,224,72,137,249,72,41,193,72,41,202,72,131,234,64,118,19,197,252,41,7,197,252,41,71,32,72,131,199,64,72,131,234,64,119,237,197,252,17,4,23,197,252,17,68,23,32,197,248,119,93,195,72,137,52,23,72,131,234,8,115,246,72,131,194,8,116,11,64,136,116,23,255,72,131,234,1,117,245,93,195,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,144,85,72,137,229,72,137,249,72,137,250,72,131,231,240,102,15,239,192,102,15,116,7,102,15,215,240,72,131,225,15,72,131,200,255,72,211,224,33,198,116,23,15,188,198,72,41,215,72,1,248,93],"offset":96}},"threadState":{"r13":{"value":4862495168},"rax":{"value":4863139984,"symbolLocation":0,"symbol":"kCFAUPresetArrayCallBacks"},"rflags":{"value":66050},"cpu":{"value":0},"r14":{"value":4862704240,"symbolLocation":0,"symbol":"kCFAUPresetArrayCallBacks_constructor"},"rsi":{"value":0},"r8":{"value":140704606852336,"symbolLocation":16,"symbol":"dyld4::gDyld"},"cr2":{"value":4863140016},"rdx":{"value":32},"r10":{"value":140704606654176,"symbolLocation":24,"symbol":"atexit_mutex"},"r9":{"value":0},"r15":{"value":4684537952},"rbx":{"value":140701821211120},"trap":{"value":14,"description":"(no 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Model: MacBookPro13,3, BootROM 512.0.0.0.0, 4 processors, Quad-Core Intel Core i7, 2.6 GHz, 16 GB, SMC 2.38f12
Graphics: Intel HD Graphics 530, Intel HD Graphics 530, Built-In
Graphics: Radeon Pro 450, AMD Radeon Pro 450, PCIe, 2 GB
Display: Color LCD, 2880 x 1800 Retina, Main, MirrorOff, Online
Memory Module: BANK 0/DIMM0, 8 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C31473332443450472D30393320
Memory Module: BANK 1/DIMM0, 8 GB, LPDDR3, 2133 MHz, 0x802C, 0x4D5435324C31473332443450472D30393320
AirPort: spairport_wireless_card_type_wifi (0x14E4, 0x15A), Broadcom BCM43xx 1.0 (7.77.111.1 AirPortDriverBrcmNIC-1710.4)
AirPort: 
Bluetooth: Version (null), 0 services, 0 devices, 0 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
USB Device: USB30Bus
USB Device: Apple T1 Controller
Thunderbolt Bus: MacBook Pro, Apple Inc., 41.5
Thunderbolt Bus: MacBook Pro, Apple Inc., 41.5

Many thanks in advance, let me know if you need any more information!

Version

2.5.4

OS

macOS Monterey (12.6.7)

[tonell-m]

Some additional info that may be useful: when trying with mixxx@snapshot formula (2.7-alpha-176), the app did crash once on the first startup, then the second time I got a system prompt about lowering security level and the app did start correctly.

However if I downgrade back to 2.5.4, I get the same issue again. The warning log about Audio Unit was also different with the snapshot version:

Terminal output

dlopen error : dlopen(libjack.0.dylib, 0x0001): tried: 'libjack.0.dylib' (no such file), '/usr/local/lib/libjack.0.dylib' (no such file), '/usr/lib/libjack.0.dylib' (no such file), '/Users/tonell_m/Library/Containers/org.mixxx.mixxx/Data/libjack.0.dylib' (no such file)
dlopen error : dlopen(/usr/local/lib/libjack.0.dylib, 0x0001): tried: '/usr/local/lib/libjack.0.dylib' (no such file)
Using preferences ScaleFactor 1
Selected Qt style: "macos"
Setting Qt plugin search path to: "/Applications/Mixxx.app/Contents"
Loading resources from  "/Applications/Mixxx.app/Contents/Resources/"
Configuration file is now at the current version "2.7.0-alpha"
BroadcastSettings - Found 1 profile(s)
warning [0x600002f0f230] "Tonebridge Guitar Effects" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f00380] "AUDistortion" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26dc0] "AULowShelfFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26df0] "AUMatrixReverb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2fe80] "Ghz Trem Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0f330] "AUMultibandCompressor" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26d30] "Ghz Tiltshift 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f000a0] "ValhallaFreqEcho" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26d60] "Vitamin (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0ee30] "Ghz Panpot 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f002e0] "TAL-Chorus-LX" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f34210] "Ghz Good Dither 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f25810] "Ghz CanOpener Studio 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f00410] "AUPeakLimiter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f00320] "AUDynamicsProcessor" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2ffe0] "AUHipass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0c040] "ValhallaPlate" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f3c4a0] "RX 8 Breath Control" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2ff50] "ValhallaDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26e20] "AUParametricEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f001c0] "Thermal" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f34270] "AURoundTripAAC" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f003c0] "AUGraphicEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26ca0] "Wider" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f229f0] "AUNBandEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f02550] "Eos 2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f30360] "AURogerBeep" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f00100] "Ghz Midside Matrix 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f09c00] "Ghz Faraday Limiter 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0c080] "AUReverb2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2feb0] "Ghz Vulf Compressor 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f00180] "ValhallaRoom" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0dd30] "TAL-Reverb-2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26d90] "Ozone 8 Elements" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26e50] "ValhallaSupermassive" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2fe20] "Abbey Road RS124 (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f00200] "Transit" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f23e40] "AUHighShelfFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0edb0] "Phasis" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f00290] "Relay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26c90] "Supercharger" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f342a0] "AUSampleDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f22c50] "AUNewPitch" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0f7e0] "AUNetSend" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f22d50] "AULowpass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2ff80] "AUDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2fc40] "DigitalDistortion" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f09ff0] "ValhallaShimmer" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f342b0] "AUPitch" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0f0b0] "Ghz Wow Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f34230] "Ghz Lohi 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2fee0] "OTT" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0ebd0] "Ghz Lossy 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26ea0] "ValhallaUberMod" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2fe50] "DSEQ3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26cd0] "Abbey Road RS124 (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f22ea0] "ValhallaVintageVerb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2ff20] "AUBandpass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0ea30] "Digitalis" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f2ffb0] "AUFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0ed50] "Ghz Midside 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f00240] "Vitamin (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f26d00] "Ghz Tone Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0c100] "DS-10 Drum Shaper" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0f230] "RC-20 Retro Color" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0f330] "BC Flanger 3 (Mono)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f04e20] "Filterscape" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f0f330] "Abbey Road Saturator (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002f04e20] "Abbey Road Saturator (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [Main] Timed out while loading audio unit manifests
[1]    75103 segmentation fault  /Applications/Mixxx.app/Contents/MacOS/Mixxx
➜  ~ /Applications/Mixxx.app/Contents/MacOS/Mixxx
dlopen error : dlopen(libjack.0.dylib, 0x0001): tried: 'libjack.0.dylib' (no such file), '/usr/local/lib/libjack.0.dylib' (no such file), '/usr/lib/libjack.0.dylib' (no such file), '/Users/tonell_m/Library/Containers/org.mixxx.mixxx/Data/libjack.0.dylib' (no such file)
dlopen error : dlopen(/usr/local/lib/libjack.0.dylib, 0x0001): tried: '/usr/local/lib/libjack.0.dylib' (no such file)
Using preferences ScaleFactor 1
Selected Qt style: "macos"
Setting Qt plugin search path to: "/Applications/Mixxx.app/Contents"
Loading resources from  "/Applications/Mixxx.app/Contents/Resources/"
Configuration file is now at the current version "2.7.0-alpha"
BroadcastSettings - Found 1 profile(s)
warning [0x6000001ec390] "Tonebridge Guitar Effects" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cdba0] "Ghz CanOpener Studio 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e88c0] "Eos 2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8900] "Ghz Good Dither 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cdb40] "Digitalis" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ee300] "TAL-Reverb-2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8930] "Ghz Faraday Limiter 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cdb10] "ValhallaFreqEcho" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8960] "Ghz Lohi 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4d10] "Ghz Lossy 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4eb0] "Ghz Midside Matrix 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d2e40] "Ghz Midside 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c41a0] "Supercharger" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cdab0] "Phasis" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4180] "DigitalDistortion" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cd290] "Ghz Panpot 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8990] "Wider" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cd8d0] "Abbey Road RS124 (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d2e90] "Abbey Road RS124 (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e89c0] "ValhallaRoom" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cf670] "DSEQ3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cf7f0] "Ghz Tone Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec210] "Ghz Trem Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cf970] "Thermal" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d2d40] "Ghz Tiltshift 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec260] "Transit" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cfaf0] "Ghz Vulf Compressor 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d2f10] "Vitamin (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec2b0] "Ghz Wow Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d4560] "Vitamin (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d43b0] "OTT" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e89f0] "Relay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c41c0] "Ozone 8 Elements" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d4a90] "AUBandpass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec2f0] "TAL-Chorus-LX" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d4730] "ValhallaDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec340] "AUDynamicsProcessor" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4220] "AUDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d2f70] "AUDistortion" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d4440] "AUFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4260] "AUGraphicEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d2fd0] "AUHipass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c42a0] "AUHighShelfFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8a20] "AUPeakLimiter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d3030] "AULowpass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4300] "AULowShelfFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8a50] "AUMultibandCompressor" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d3090] "AUMatrixReverb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4340] "AUNBandEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8a80] "AUNetSend" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec3b0] "AUNewPitch" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d30f0] "ValhallaPlate" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4380] "AUParametricEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec410] "RX 8 Breath Control" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d3150] "AURoundTripAAC" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c43d0] "AURogerBeep" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec450] "AUReverb2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4420] "ValhallaSupermassive" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec4a0] "AUSampleDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8ab0] "ValhallaShimmer" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4460] "AUPitch" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8ae0] "ValhallaUberMod" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c44a0] "DS-10 Drum Shaper" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d31d0] "ValhallaVintageVerb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4180] Could not instantiate Audio Unit "DigitalDistortion" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001cf7f0] Could not instantiate Audio Unit "Ghz Tone Control 3" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001e8ab0] Could not instantiate Audio Unit "ValhallaShimmer" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001e8a20] Could not instantiate Audio Unit "AUPeakLimiter" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001e8a80] Could not instantiate Audio Unit "AUNetSend" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001e8ae0] Could not instantiate Audio Unit "ValhallaUberMod" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001e8a50] Could not instantiate Audio Unit "AUMultibandCompressor" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec3b0] Could not instantiate Audio Unit "AUNewPitch" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001cd290] Could not instantiate Audio Unit "Ghz Panpot 3" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec210] Could not instantiate Audio Unit "Ghz Trem Control 3" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec2f0] Could not instantiate Audio Unit "TAL-Chorus-LX" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001cfaf0] Could not instantiate Audio Unit "Ghz Vulf Compressor 3" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c44a0] Could not instantiate Audio Unit "DS-10 Drum Shaper" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c4380] Could not instantiate Audio Unit "AUParametricEQ" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec410] Could not instantiate Audio Unit "RX 8 Breath Control" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec450] Could not instantiate Audio Unit "AUReverb2" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c4260] Could not instantiate Audio Unit "AUGraphicEQ" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d30f0] Could not instantiate Audio Unit "ValhallaPlate" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c42a0] Could not instantiate Audio Unit "AUHighShelfFilter" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec4a0] Could not instantiate Audio Unit "AUSampleDelay" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d3150] Could not instantiate Audio Unit "AURoundTripAAC" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec340] Could not instantiate Audio Unit "AUDelay" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001cf970] Could not instantiate Audio Unit "Thermal" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c4460] Could not instantiate Audio Unit "AUPitch" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d2d40] Could not instantiate Audio Unit "Ghz Tiltshift 3" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001e89f0] Could not instantiate Audio Unit "Relay" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001cdba0] Could not instantiate Audio Unit "RC-20 Retro Color" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d2fd0] Could not instantiate Audio Unit "AUHipass" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c4420] Could not instantiate Audio Unit "ValhallaSupermassive" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d4730] Could not instantiate Audio Unit "ValhallaDelay" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec260] Could not instantiate Audio Unit "Transit" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d4560] Could not instantiate Audio Unit "Vitamin (s)" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001cf670] Could not instantiate Audio Unit "DSEQ3" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d3090] Could not instantiate Audio Unit "AUMatrixReverb" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d31d0] Could not instantiate Audio Unit "ValhallaVintageVerb" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c43d0] Could not instantiate Audio Unit "AURogerBeep" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001e89c0] Could not instantiate Audio Unit "ValhallaRoom" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c4340] Could not instantiate Audio Unit "AUNBandEQ" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c4220] Could not instantiate Audio Unit "AUDynamicsProcessor" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d2f70] Could not instantiate Audio Unit "AUDistortion" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d4440] Could not instantiate Audio Unit "AUFilter" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d4a90] Could not instantiate Audio Unit "AUBandpass" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d43b0] Could not instantiate Audio Unit "OTT" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec2b0] Could not instantiate Audio Unit "Ghz Wow Control 3" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d2f10] Could not instantiate Audio Unit "Vitamin (m)" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c41c0] Could not instantiate Audio Unit "Ozone 8 Elements" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001cd8d0] Could not instantiate Audio Unit "Abbey Road RS124 (m)" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d2e90] Could not instantiate Audio Unit "Abbey Road RS124 (s)" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001e8990] Could not instantiate Audio Unit "Wider" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001c4300] Could not instantiate Audio Unit "AULowShelfFilter" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001d3030] Could not instantiate Audio Unit "AULowpass" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000001ec390] "RC-20 Retro Color" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec3a0] "BC Flanger 3 (Mono)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8ab0] "Filterscape" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e5030] "Abbey Road Saturator (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d86a0] "Abbey Road Saturator (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d43b0] "VCV Bridge" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4300] "FilterscapeQ6" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cf7f0] "MFlanger" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8960] "MAutopan" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4180] "MCompressor" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e88c0] "MEqualizer" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c41a0] "MSaturator" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4eb0] "MPhaser" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cdab0] "MRingModulator" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8930] "MTremolo" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ee300] "MVibrato" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8900] "MWaveShaper" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4340] "MFreqShifter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e89c0] "MStereoExpander" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001f8230] "MFreeformPhase" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c43d0] "MAnalyzer" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8ae0] "MBandPass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8a80] "MBitFun" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d4560] "MCCGenerator" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d2fd0] "MConvolutionEZ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d4730] "MChannelMatrix" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4420] "MCharmVerb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d2d40] "MComb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cdba0] "MFM2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001f8010] "MLoudnessAnalyzer" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e89f0] "MMetronome" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4460] "MNoiseGenerator" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec340] "MOscillator" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cf970] "MNotepad" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d3150] "MOscilloscope" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec4a0] "MRatio" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c42a0] "MRecorder" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001d30f0] "MRatioMB" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4260] "MSpectralPan" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec450] "MStereoScope" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec2f0] "MTuner" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec410] "MWaveFolder" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4380] "MAGC" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c44a0] "MAutoPitch" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cfaf0] "MUtility" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4c30] "Reaktor 6 MFX" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8c70] "Nectar 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001eeed0] "PaulXStretch" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001f82d0] "Runciter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec210] "Zebrify" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4d30] "Uhbik-A" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001cd290] "Uhbik-D" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001f81c0] "Uhbik-F" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4d10] "Uhbik-G" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001fc170] "Uhbik-P" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec3b0] "Uhbik-Q" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8a50] "Uhbik-T" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001e8a20] "Uhbik-S" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001f8190] "Abbey Road Vinyl (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001f87c0] "Abbey Road Vinyl (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001c4dc0] "Abbey Road Vinyl Light (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001f80c0] "Abbey Road Vinyl Light (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ef1a0] "BC Flanger 3 (Stereo)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001f8390] "ZRev" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001eeee0] "Presswerk" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000001ec3a0] "Satin" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
dlopen error : dlopen(libjack.0.dylib, 0x0001): tried: 'libjack.0.dylib' (no such file), '/usr/local/lib/libjack.0.dylib' (no such file), '/usr/lib/libjack.0.dylib' (no such file), '/Users/tonell_m/Library/Containers/org.mixxx.mixxx/Data/libjack.0.dylib' (no such file)
dlopen error : dlopen(/usr/local/lib/libjack.0.dylib, 0x0001): tried: '/usr/local/lib/libjack.0.dylib' (no such file)
libjack not found, so do not try to load  jack_client_open ffs  !
 qt.gui.imageio.jpeg:warning [LibraryScanner 1] Corrupt JPEG data: premature end of data segment
 qt.qpa.window:warning [Main] Already setting window visible!
 qt.qpa.fonts:warning [Main] Populating font family aliases took 326 ms. Replace uses of missing font family "Open Sans Semibold" with one that exists to avoid this cost.
warning [Main] SettingsDAO - Failed to set "mixxx.db.model.hidden.ColumnsSorting" = QVariant(QString, "artist 1 ") QSqlError("5", "Unable to fetch row", "database is locked")

[tonell-m]

Beta version 2.6-beta-209 also seems to work, though it's also crashing on first startup after lowering security settings like with 2.7-alpha but further startups work fine.

Sorry if this issue was already resolved then!

[ronso0]

I think this is a dupe of #15187

Please provide a backtrace

[acolombier]

I guess the the attached crash report probably contains already as much as we would get with a full backtrace.

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   libsystem_platform.dylib      	    0x7ff816a50673 _platform_bzero$VARIANT$Haswell + 115
1   DigitalDistortion             	       0x121d6fa16 CFAUPresetArrayCallBacks_Init + 54
2   DigitalDistortion             	       0x121d6fa80 kCFAUPresetArrayCallBacks_constructor + 16
3   dyld                          	       0x121ee6e4f invocation function for block in dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const + 182
4   dyld                          	       0x121f0d911 invocation function for block in dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const + 129
5   dyld                          	       0x121f04e26 invocation function for block in dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const + 557
6   dyld                          	       0x121ed3db3 dyld3::MachOFile::forEachLoadCommand(Diagnostics&, void (load_command const*, bool&) block_pointer) const + 129
7   dyld                          	       0x121f04bb7 dyld3::MachOFile::forEachSection(void (dyld3::MachOFile::SectionInfo const&, bool, bool&) block_pointer) const + 179
8   dyld                          	       0x121f0d342 dyld3::MachOAnalyzer::forEachInitializerPointerSection(Diagnostics&, void (unsigned int, unsigned int, unsigned char const*, bool&) block_pointer) const + 118
9   dyld                          	       0x121f0d5b4 dyld3::MachOAnalyzer::forEachInitializer(Diagnostics&, dyld3::MachOAnalyzer::VMAddrConverter const&, void (unsigned int) block_pointer, void const*) const + 386
10  dyld                          	       0x121ee6d82 dyld4::Loader::findAndRunAllInitializers(dyld4::RuntimeState&) const + 144
11  dyld                          	       0x121ee6f0e dyld4::Loader::runInitializersBottomUp(dyld4::RuntimeState&, dyld3::Array<dyld4::Loader const*>&) const + 178
12  dyld                          	       0x121ee6fb2 dyld4::Loader::runInitializersBottomUpPlusUpwardLinks(dyld4::RuntimeState&) const + 108
13  dyld                          	       0x121ef5e00 dyld4::APIs::dlopen_from(char const*, int, void*) + 592
14  CoreFoundation                	    0x7ff816b2a9a4 _CFBundleDlfcnLoadBundle + 149
15  CoreFoundation                	    0x7ff816ba491f _CFBundleLoadExecutableAndReturnError + 484
16  AudioToolboxCore              	    0x7ff817f83fa1 APComponent_FromBundle_Loadable::ResolveFactoryFunction() + 67
17  AudioToolboxCore              	    0x7ff817f82ece APComponent::newInstance(unsigned int, bool, void (OpaqueAudioComponentInstance*, int) block_pointer) + 126
18  AudioToolboxCore              	    0x7ff818078c8c instantiate(OpaqueAudioComponent*, unsigned int, bool, void (OpaqueAudioComponentInstance*, int) block_pointer) + 311
19  AudioToolboxCore              	    0x7ff818079028 __AudioComponentInstanceNew_block_invoke + 88
20  AudioToolboxCore              	    0x7ff817f0a475 Synchronously + 87
21  AudioToolboxCore              	    0x7ff818078ede AudioComponentInstanceNew + 183
22  Mixxx                         	       0x10e6f333f AudioUnitManager::instantiateAudioUnitSync(QSharedPointer<AudioUnitManager>, AVAudioUnitComponent*) + 63

It looks like the faulty code is coming from

mixxx/src/effects/backends/audiounit/audiounitmanager.mm

Line 98 in f1699ea

AudioComponentInstanceNew(component.audioComponent, &audioUnit);

Sadly, we don't have any MacOS dev around at the moment...

[xARSENICx]

AudioComponentInstanceNew is the legacy synchronous Apple API. It always loads the plugin in-process: there's no out-of-process option. This means:

• The plugin's dylib is loaded into Mixxx's address space
• Any crash in the plugin's code crashes Mixxx (this is what is happening here as i see from the logs OP reported)

AudioComponentInstantiate (Async) is safe.
The modern API AudioComponentInstantiate with kAudioComponentInstantiation_LoadOutOfProcess runs the plugin in a separate XPC service process. If the plugin crashes:

• The XPC service dies, not Mixxx (vital behaviour)
• The callback receives an error code, and Mixxx skips that plugin

The bug is that AudioUnitManifest on the 2.5 branch was choosing the sync/in-process path instead of the async/out-of-process path. So, my claim is that cherrypicking these commits I mention and backporting them to 2.5.x should solve the issue.

Commits to verify my claim:

• Main issue IMO -> Instantiate AUs out-of-process

Some related commits:

• Concurrent loading
• Reduce load timeout to 6 seconds
• Reduce load timeout to 2 seconds
• Factor sleep loop into waitForAudioUnit
• Mark waitForAudioUnit const
• Replace sleep loop with dispatch group

[xARSENICx]

I reproduced this by creating a minimal AU plugin with a crashing static constructor (writes to read-only memory → SIGBUS, same as DigitalDistortion's CFAUPresetArrayCallBacks_Init):

static void __attribute__((constructor)) crashOnLoad(void) {
    void* page = mmap(NULL, 4096, PROT_READ, MAP_PRIVATE | MAP_ANON, -1, 0);
    memset(page, 0, 32);  // SIGBUS
}

Installed as ~/Library/Audio/Plug-Ins/Components/CrashingAU.component, then tested on two builds off the 2.5 branch:

Unpatched 2.5:

CrashingAU: static constructor running (about to crash)...
zsh: bus error  ./build/mixxx

Behaviour: Mixxx crashes immediately on startup.

Patched 2.5 (cherry-picked 6b550f9 and few non conflict commits from the ones I listed):

warning [0xbe33cb020] Could not instantiate Audio Unit "CrashingAU" : 4097 (Check https://www.osstatus.com for a description)
warning [Main] "CrashingAU" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!

Behaviour: Mixxx survives, logs the warning, skips the broken plugin, and continues running normally.

[ronso0]

@xARSENICx Thank you, this sounds great!
Do you mind opening a PR with the fixes?

[acolombier]

Great findings here @xARSENICx !

I am wondering if the issue reported on 2.7-alpha would then be another bug

when trying with mixxx@snapshot formula (2.7-alpha-176), the app did crash once on the first startup, then the second time I got a system prompt about lowering security level and the app did start correctly.

@tonell-m would you be able to share a backtrace for the crash with 2.7-alpha?

[tonell-m]

Impressive work @xARSENICx !

@acolombier I have been struggling building Mixxx from sources because of a missing absl symbols error, but in the meantime here is the crash log from macOS, hope that will still help. Looks like the cause for this crash is different, I'll be happy to open another issue for it if needed.

Crash log

-------------------------------------
Translated Report (Full Report Below)
-------------------------------------

Process:               Mixxx [28227]
Path:                  /Applications/Mixxx.app/Contents/MacOS/Mixxx
Identifier:            org.mixxx.mixxx
Version:               2.7.0 (2.7.0)
Code Type:             X86-64 (Native)
Parent Process:        zsh [24021]
Responsible:           iTerm2 [24018]
User ID:               501

Date/Time:             2026-03-04 08:40:26.9033 +0100
OS Version:            macOS 12.6.7 (21G651)
Report Version:        12
Bridge OS Version:     3.0 (14Y910)
Anonymous UUID:        0C274542-B9AE-E490-562A-BA2744E179F1

Sleep/Wake UUID:       4E12B255-65B7-42BF-B09E-AE9B186049B9

Time Awake Since Boot: 110000 seconds
Time Since Wake:       461 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000048
Exception Codes:       0x0000000000000001, 0x0000000000000048
Exception Note:        EXC_CORPSE_NOTIFY

Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11
Terminating Process:   exc handler [28227]

Dispatch Thread Soft Limit Reached: 64 (too many dispatch threads blocked in synchronous operations)

VM Region Info: 0x48 is not in any region.  Bytes before following region: 140737486294968
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      VM_ALLOCATE              7fffffe09000-7fffffe0a000 [    4K] r-x/r-x SM=ALI  

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   Mixxx                         	       0x10d116aea EffectManifest::sortLexigraphically(QSharedPointer<EffectManifest>, QSharedPointer<EffectManifest>) + 10
1   ???                           	    0x600002a92ee0 ???

Thread 1::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 2::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a0096a mach_msg_trap + 10
1   libsystem_kernel.dylib        	    0x7ff816a00cd8 mach_msg + 56
2   libdispatch.dylib             	    0x7ff81689dd41 _dispatch_mach_send_and_wait_for_reply + 514
3   libdispatch.dylib             	    0x7ff81689e13e dispatch_mach_send_with_result_and_wait_for_reply + 50
4   libxpc.dylib                  	    0x7ff81677ad24 xpc_connection_send_message_with_reply_sync + 238
5   Foundation                    	    0x7ff81791fde6 __NSXPCCONNECTION_IS_WAITING_FOR_A_SYNCHRONOUS_REPLY__ + 9
6   Foundation                    	    0x7ff81791de26 -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:] + 3163
7   Foundation                    	    0x7ff81792574f -[NSXPCConnection _sendSelector:withProxy:arg1:] + 119
8   Foundation                    	    0x7ff817925685 _NSXPCDistantObjectSimpleMessageSend1 + 56
9   AudioToolboxCore              	    0x7ff817f9bd71 -[AUAudioUnit_XPC internalDeallocateRenderResources] + 139
10  AudioToolboxCore              	    0x7ff817f955f5 int caulk::function_ref<int ()>::functor_invoker<AUv3InstanceBase::Uninitialize()::'lambda'()>(caulk::details::erased_callable<int ()> const&) + 35
11  AudioToolboxCore              	    0x7ff817f8c98d AUv3InstanceBase::NSExceptionBarrier(caulk::function_ref<int ()>) + 25
12  AudioToolboxCore              	    0x7ff817f8c417 AUv3InstanceBase::Uninitialize() + 27
13  AudioToolboxCore              	    0x7ff8180b9826 AUIB_Uninitialize(void*) + 151
14  Mixxx                         	       0x10d6943b5 AudioUnitManager::~AudioUnitManager() + 229
15  libsystem_blocks.dylib        	    0x7ff81676f654 _Block_release + 130
16  libsystem_blocks.dylib        	    0x7ff81676f654 _Block_release + 130
17  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
18  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
19  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
20  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
21  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
22  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 3::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 4:: StatsManager
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10cee803b QWaitConditionPrivate::wait(QDeadlineTimer) + 75
3   Mixxx                         	       0x10cee7f98 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 88
4   Mixxx                         	       0x10d5931c0 StatsManager::run() + 288

Thread 5::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 6::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 7::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 8:: Thread (pooled)
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10cee80fb QWaitConditionPrivate::wait(QDeadlineTimer) + 267
3   Mixxx                         	       0x10cee7f98 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 88
4   Mixxx                         	       0x10cee2a5b QThreadPoolThread::run() + 1019
5   Mixxx                         	       0x10cedb37f QThreadPrivate::start(void*) + 367
6   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 9:: Thread (pooled)
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10cee80fb QWaitConditionPrivate::wait(QDeadlineTimer) + 267
3   Mixxx                         	       0x10cee7f98 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 88
4   Mixxx                         	       0x10cee2a5b QThreadPoolThread::run() + 1019
5   Mixxx                         	       0x10cedb37f QThreadPrivate::start(void*) + 367
6   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 10:: Thread (pooled)
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10cee80fb QWaitConditionPrivate::wait(QDeadlineTimer) + 267
3   Mixxx                         	       0x10cee7f98 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 88
4   Mixxx                         	       0x10cee2a5b QThreadPoolThread::run() + 1019
5   Mixxx                         	       0x10cedb37f QThreadPrivate::start(void*) + 367
6   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 11:: Thread (pooled)
0   libsystem_kernel.dylib        	    0x7ff816a033da __psynch_cvwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3da6f _pthread_cond_wait + 1249
2   Mixxx                         	       0x10cee80fb QWaitConditionPrivate::wait(QDeadlineTimer) + 267
3   Mixxx                         	       0x10cee7f98 QWaitCondition::wait(QMutex*, QDeadlineTimer) + 88
4   Mixxx                         	       0x10cee2a5b QThreadPoolThread::run() + 1019
5   Mixxx                         	       0x10cedb37f QThreadPrivate::start(void*) + 367
6   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 12:: com.apple.NSEventThread
0   libsystem_kernel.dylib        	    0x7ff816a0096a mach_msg_trap + 10
1   libsystem_kernel.dylib        	    0x7ff816a00cd8 mach_msg + 56
2   CoreFoundation                	    0x7ff816b0434d __CFRunLoopServiceMachPort + 319
3   CoreFoundation                	    0x7ff816b029d8 __CFRunLoopRun + 1276
4   CoreFoundation                	    0x7ff816b01e1c CFRunLoopRunSpecific + 562
5   AppKit                        	    0x7ff8196aa98e _NSEventThread + 132
6   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
7   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 13::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 14::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 15::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 16::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 17::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 18::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 19::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 20::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 21::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 22::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 23::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 24::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 25::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 26::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 27::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 28::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 29::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 30::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 31::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 32::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 33::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 34::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 35::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 36::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 37::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 38::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 39::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a0096a mach_msg_trap + 10
1   libsystem_kernel.dylib        	    0x7ff816a00cd8 mach_msg + 56
2   libdispatch.dylib             	    0x7ff81689dd41 _dispatch_mach_send_and_wait_for_reply + 514
3   libdispatch.dylib             	    0x7ff81689e13e dispatch_mach_send_with_result_and_wait_for_reply + 50
4   libxpc.dylib                  	    0x7ff81677ad24 xpc_connection_send_message_with_reply_sync + 238
5   Foundation                    	    0x7ff81791fde6 __NSXPCCONNECTION_IS_WAITING_FOR_A_SYNCHRONOUS_REPLY__ + 9
6   Foundation                    	    0x7ff81791de26 -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:] + 3163
7   Foundation                    	    0x7ff81792574f -[NSXPCConnection _sendSelector:withProxy:arg1:] + 119
8   Foundation                    	    0x7ff817925685 _NSXPCDistantObjectSimpleMessageSend1 + 56
9   AudioToolboxCore              	    0x7ff817fd1be2 AUHostingServiceClient::~AUHostingServiceClient() + 576
10  AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
11  libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
12  libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
13  libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
14  AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
15  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
16  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
17  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
18  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
19  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
20  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
21  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
22  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
23  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
24  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
25  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 40::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 41::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 42::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 43::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 44::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 45::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 46::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 47::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 48::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 49::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 50::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 51::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 52::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 53::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 54::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 55::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 56::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 57::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 58::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 59::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 60::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 61::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 62::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 63::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 64::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 65::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 66::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a0096a mach_msg_trap + 10
1   libsystem_kernel.dylib        	    0x7ff816a00cd8 mach_msg + 56
2   libdispatch.dylib             	    0x7ff81689dd41 _dispatch_mach_send_and_wait_for_reply + 514
3   libdispatch.dylib             	    0x7ff81689e13e dispatch_mach_send_with_result_and_wait_for_reply + 50
4   libxpc.dylib                  	    0x7ff81677ad24 xpc_connection_send_message_with_reply_sync + 238
5   Foundation                    	    0x7ff81791fde6 __NSXPCCONNECTION_IS_WAITING_FOR_A_SYNCHRONOUS_REPLY__ + 9
6   Foundation                    	    0x7ff81791de26 -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:] + 3163
7   Foundation                    	    0x7ff81792574f -[NSXPCConnection _sendSelector:withProxy:arg1:] + 119
8   Foundation                    	    0x7ff817925685 _NSXPCDistantObjectSimpleMessageSend1 + 56
9   AudioToolboxCore              	    0x7ff817fd1be2 AUHostingServiceClient::~AUHostingServiceClient() + 576
10  AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
11  libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
12  libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
13  libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
14  AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
15  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
16  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
17  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
18  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
19  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
20  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
21  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
22  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
23  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
24  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
25  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 67::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 68::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 69::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a02bc2 __psynch_mutexwait + 10
1   libsystem_pthread.dylib       	    0x7ff816a3ae7e _pthread_mutex_firstfit_lock_wait + 76
2   libsystem_pthread.dylib       	    0x7ff816a38cbb _pthread_mutex_firstfit_lock_slow + 205
3   libc++.1.dylib                	    0x7ff81699d739 std::__1::mutex::lock() + 9
4   AudioToolboxCore              	    0x7ff817fd19f0 AUHostingServiceClient::~AUHostingServiceClient() + 78
5   AudioToolboxCore              	    0x7ff817fa5645 std::__1::unique_ptr<AUHostingServiceClient, std::__1::default_delete<AUHostingServiceClient> >::reset(AUHostingServiceClient*) + 25
6   libobjc.A.dylib               	    0x7ff8168daa8e object_cxxDestructFromClass(objc_object*, objc_class*) + 83
7   libobjc.A.dylib               	    0x7ff8168d3176 objc_destructInstance + 94
8   libobjc.A.dylib               	    0x7ff8168d310d _objc_rootDealloc + 62
9   AudioToolboxCore              	    0x7ff817feb0c7 -[AUAudioUnit dealloc] + 261
10  AudioToolboxCore              	    0x7ff817f9a884 -[AUAudioUnit_XPC dealloc] + 352
11  AudioToolboxCore              	    0x7ff817fa5269 -[AUAudioUnit_RemoteV2 dealloc] + 123
12  AudioToolboxCore              	    0x7ff8180b5793 AUv3InstanceXPC::Open(OpaqueAudioComponentInstance*) + 493
13  AudioToolboxCore              	    0x7ff8180b58d3 invocation function for block in AUv3InstanceXPC::OpenAsync(OpaqueAudioComponentInstance*, unsigned int, void (OpaqueAudioComponentInstance*, int) block_pointer) + 23
14  libdispatch.dylib             	    0x7ff8168850cc _dispatch_call_block_and_release + 12
15  libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
16  libdispatch.dylib             	    0x7ff8168889fc _dispatch_queue_override_invoke + 787
17  libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
18  libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
19  libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
20  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 70:
0   libsystem_pthread.dylib       	    0x7ff816a38f48 start_wqthread + 0

Thread 71::  Dispatch queue: com.apple.root.default-qos
0   libsystem_kernel.dylib        	    0x7ff816a020da __ulock_wait + 10
1   libdispatch.dylib             	    0x7ff816886b06 _dlock_wait + 45
2   libdispatch.dylib             	    0x7ff81688690b _dispatch_wait_on_address + 135
3   libdispatch.dylib             	    0x7ff816886d95 _dispatch_group_wait_slow + 43
4   Mixxx                         	       0x10d694450 AudioUnitManager::waitForAudioUnit(int) const + 32
5   libdispatch.dylib             	    0x7ff816886317 _dispatch_client_callout + 8
6   libdispatch.dylib             	    0x7ff816888af1 _dispatch_queue_override_invoke + 1032
7   libdispatch.dylib             	    0x7ff816895ac2 _dispatch_root_queue_drain + 343
8   libdispatch.dylib             	    0x7ff81689625c _dispatch_worker_thread2 + 160
9   libsystem_pthread.dylib       	    0x7ff816a39f8a _pthread_wqthread + 256
10  libsystem_pthread.dylib       	    0x7ff816a38f57 start_wqthread + 15

Thread 72:: com.apple.audio.toolbox.AUScheduledParameterRefresher
0   libsystem_kernel.dylib        	    0x7ff816a009a6 semaphore_wait_trap + 10
1   caulk                         	    0x7ff81f53e2e6 caulk::mach::semaphore::wait_or_error() + 16
2   caulk                         	    0x7ff81f526148 caulk::concurrent::details::worker_thread::run() + 36
3   caulk                         	    0x7ff81f525e0c void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*> > >(void*) + 41
4   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
5   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 73:: AMCP Logging Spool
0   libsystem_kernel.dylib        	    0x7ff816a009a6 semaphore_wait_trap + 10
1   caulk                         	    0x7ff81f53e2e6 caulk::mach::semaphore::wait_or_error() + 16
2   caulk                         	    0x7ff81f526148 caulk::concurrent::details::worker_thread::run() + 36
3   caulk                         	    0x7ff81f525e0c void* caulk::thread_proxy<std::__1::tuple<caulk::thread::attributes, void (caulk::concurrent::details::worker_thread::*)(), std::__1::tuple<caulk::concurrent::details::worker_thread*> > >(void*) + 41
4   libsystem_pthread.dylib       	    0x7ff816a3d4e1 _pthread_start + 125
5   libsystem_pthread.dylib       	    0x7ff816a38f6b thread_start + 15

Thread 74:
0   libsystem_pthread.dylib       	    0x7ff816a38f48 start_wqthread + 0

Thread 75:
0   libsystem_pthread.dylib       	    0x7ff816a38f48 start_wqthread + 0


Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000600001002490  rbx: 0x00007f93992614d0  rcx: 0x0000000000000000  rdx: 0x0000000000000000
  rdi: 0x00007ff7b31f8c20  rsi: 0x00007ff7b31f8c10  rbp: 0x00007ff7b31f8c10  rsp: 0x00007ff7b31f8b70
   r8: 0x000000000000000a   r9: 0x00006000030572d0  r10: 0x000000000bff2011  r11: 0x0000000000003fff
  r12: 0x00007f93992614e0  r13: 0x00007ff7b31f8c20  r14: 0x00007f9399261020  r15: 0x00007f93992619a0
  rip: 0x000000010d116aea  rfl: 0x0000000000010206  cr2: 0x0000000000000048
  
Logical CPU:     0
Error Code:      0x00000004 (no mapping for user data read)
Trap Number:     14

Thread 0 instruction stream:
  da 48 83 c4 08 5b 41 5e-e9 ab fb dd 02 00 00 00  .H...[A^........
  00 00 00 00 00 00 48 8b-8f b0 00 00 00 48 85 c9  ......H......H..
  74 31 48 8b 97 a8 00 00-00 48 c1 e1 04 48 83 c1  t1H......H...H..
  f0 31 f6 0f 1f 00 48 8b-04 32 83 b8 a0 00 00 00  .1....H..2......
  00 0f 95 c0 75 0c 48 8d-7e 10 48 39 f1 48 89 fe  ....u.H.~.H9.H..
  75 e4 c3 31 c0 c3 50 48-8b 0f 48 8b 06 8b 50 48  u..1..PH..H...PH
 [39]51 48 75 2c 48 8d 79-30 48 8d 51 18 48 83 79  9QHu,H.y0H.Q.H.y	<==
  40 00 48 0f 44 fa 48 8d-70 30 48 8d 48 18 48 83  @.H.D.H.p0H.H.H.
  78 40 00 48 0f 44 f1 e8-fa 9d d2 ff c1 e8 1f 59  x@.H.D.........Y
  c3 0f 9c c0 59 c3 41 56-53 50 48 c7 05 31 8e 9b  ....Y.AVSPH..1..
  05 00 00 00 00 48 8d 35-2a 8e 9b 05 48 8d 05 89  .....H.5*...H...
  ae 40 05 48 89 05 24 8e-9b 05 48 c7 05 21 8e 9b  .@.H..$...H..!..

Binary Images:
       0x10cd06000 -        0x112825fff org.mixxx.mixxx (2.7.0) <744dfa4b-481f-39af-9c29-f5d31b80d682> /Applications/Mixxx.app/Contents/MacOS/Mixxx
               0x0 - 0xffffffffffffffff ??? (*) <00000000-0000-0000-0000-000000000000> ???
    0x7ff8169ff000 -     0x7ff816a36fff libsystem_kernel.dylib (*) <d0b338e0-26be-371b-a819-80b7d619a4ad> /usr/lib/system/libsystem_kernel.dylib
    0x7ff816a37000 -     0x7ff816a42fff libsystem_pthread.dylib (*) <e5d44afd-2577-3cee-8711-9d8d426229e0> /usr/lib/system/libsystem_pthread.dylib
    0x7ff816990000 -     0x7ff8169e8fff libc++.1.dylib (*) <a031469a-a9fe-37e0-8523-4f80351ea635> /usr/lib/libc++.1.dylib
    0x7ff817ed8000 -     0x7ff818168fff com.apple.audio.AudioToolboxCore (1.0) <dfddfbc1-bc7c-37e3-b164-25aed3c1db1b> /System/Library/PrivateFrameworks/AudioToolboxCore.framework/Versions/A/AudioToolboxCore
    0x7ff8168ca000 -     0x7ff816903fff libobjc.A.dylib (*) <4d9b0dca-7151-3875-b98e-b255db8267a8> /usr/lib/libobjc.A.dylib
    0x7ff816883000 -     0x7ff8168c9fff libdispatch.dylib (*) <1a04b380-76e4-3e4b-b0fc-9837533d021d> /usr/lib/system/libdispatch.dylib
    0x7ff816770000 -     0x7ff8167abfff libxpc.dylib (*) <82f5374e-98c2-38c7-ab5a-c20f145456bf> /usr/lib/system/libxpc.dylib
    0x7ff817901000 -     0x7ff817cbdfff com.apple.Foundation (6.9) <3458e3ba-4778-3b73-80c8-19245d425b38> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
    0x7ff81676e000 -     0x7ff81676ffff libsystem_blocks.dylib (*) <ce5e8c55-9e28-3982-9b98-74230bad820f> /usr/lib/system/libsystem_blocks.dylib
    0x7ff816a84000 -     0x7ff816f86fff com.apple.CoreFoundation (6.9) <70b99b27-1b5b-33c4-b401-2ecdb80f3303> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
    0x7ff8194fe000 -     0x7ff81a38dfff com.apple.AppKit (6.9) <1a1a9da7-da66-31da-92cd-51b9cf968145> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
    0x7ff81f524000 -     0x7ff81f545fff com.apple.audio.caulk (1.0) <8e7b3d95-1d47-3f17-9512-c5fcc30792c2> /System/Library/PrivateFrameworks/caulk.framework/Versions/A/caulk

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=1.1G resident=0K(0%) swapped_out_or_unallocated=1.1G(100%)
Writable regions: Total=679.7M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=679.7M(100%)

                                VIRTUAL   REGION 
REGION TYPE                        SIZE    COUNT (non-coalesced) 
===========                     =======  ======= 
Accelerate framework               384K        3 
Activity Tracing                   256K        1 
CG backing stores                 2528K        4 
CG image                            72K        4 
ColorSync                          224K       26 
CoreAnimation                      104K        8 
CoreGraphics                        12K        2 
CoreUI image data                 1052K        7 
Foundation                          16K        1 
Kernel Alloc Once                    8K        1 
MALLOC                           225.0M       60 
MALLOC guard page                   32K        8 
MALLOC_NANO (reserved)           384.0M        1         reserved VM address space (unallocated)
ObjC additional data                15K        1 
STACK GUARD                       56.3M       76 
Stack                             46.1M       77 
VM_ALLOCATE                        168K       21 
__CTF                               756        1 
__DATA                            56.6M      420 
__DATA_CONST                      23.9M      261 
__DATA_DIRTY                      1195K      154 
__FONT_DATA                          4K        1 
__GLSLBUILTINS                    5176K        1 
__LINKEDIT                       662.6M       14 
__TEXT                           458.4M      434 
__UNICODE                          592K        1 
dyld private memory               1024K        1 
mapped file                      160.0M       33 
shared memory                      772K       15 
===========                     =======  ======= 
TOTAL                              2.0G     1637 
TOTAL, minus reserved VM space     1.7G     1637 

Terminal output

dlopen error : dlopen(libjack.0.dylib, 0x0001): tried: 'libjack.0.dylib' (no such file), '/usr/local/lib/libjack.0.dylib' (no such file), '/usr/lib/libjack.0.dylib' (no such file), '/Users/tonell_m/Library/Containers/org.mixxx.mixxx/Data/libjack.0.dylib' (no such file)
dlopen error : dlopen(/usr/local/lib/libjack.0.dylib, 0x0001): tried: '/usr/local/lib/libjack.0.dylib' (no such file)
Using preferences ScaleFactor 1
Selected Qt style: "macos"
Setting Qt plugin search path to: "/Applications/Mixxx.app/Contents"
Loading resources from  "/Applications/Mixxx.app/Contents/Resources/"
Configuration file is now at the current version "2.7.0-alpha"
BroadcastSettings - Found 1 profile(s)
info [Main] SoundSourceFFmpeg - Disabling untested input formats: aa, aax, ac3, ac4, ace, acm, act, adf, adp, ads, adx, aea, afc, aix, alp, amr, amrnb, amrwb, anm, apac, apc, ape, apm, apng, aptx, aptx_hd, aqtitle, argo_asf, argo_brp, argo_cvg, asf, asf_o, ass, ast, au, av1, avi, avr, avs, avs2, avs3, bethsoftvid, bfi, bin, bink, binka, bit, bitpacked, bmv, bfstm, brstm, boa, bonk, c93, caf, cavsvideo, cdg, cdxl, cine, codec2, codec2raw, concat, data, daud, dcstr, derf, dfa, dfpwm, dhav, dirac, dnxhd, dsf, dsicin, dss, dts, dtshd, dv, dvbsub, dvbtxt, dxa, ea, ea_cdata, eac3, epaf, evc, ffmetadata, filmstrip, fits, flac, flic, flv, live_flv, 4xm, frm, fsb, fwse, g722, g723_1, g726, g726le, g729, gdv, genh, gif, gsm, gxf, h261, h263, h264, hca, hcom, hevc, hls, hnm, iamf, ico, idcin, idf, iff, ifv, ilbc, image2, image2pipe, alias_pix, brender_pix, ingenient, ipmovie, ipu, ircam, iss, iv8, ivf, ivr, jacosub, jv, jpegxl_anim, kux, kvag, laf, lc3, lmlm4, loas, luodat, lrc, lvf, lxf, mca, mcc, matroska,webm, mgsts, microdvd, mjpeg, mjpeg_2000, mlp, mlv, mm, mmf, mods, moflex, mpc, mpc8, mpeg, mpegts, mpegtsraw, mpegvideo, mpjpeg, mpl2, mpsub, msf, msnwctcp, msp, mtaf, mtv, musx, mv, mvi, mxf, mxg, nc, nistsphere, nsp, nsv, nut, nuv, obu, ogg, oma, osq, paf, alaw, mulaw, vidc, f64be, f64le, f32be, f32le, s32be, s32le, s24be, s24le, s16be, s16le, s8, u32be, u32le, u24be, u24le, u16be, u16le, u8, pdv, pjs, pmp, pp_bnk, pva, pvf, qcp, qoa, r3d, rawvideo, rcwt, realtext, redspark, rka, rl2, rm, roq, rpl, rsd, rso, rtp, rtsp, s337m, sami, sap, sbc, sbg, scc, scd, sdns, sdp, sdr2, sds, sdx, film_cpk, ser, sga, shn, siff, simbiosis_imx, sln, smk, smjpeg, smush, sol, sox, spdif, srt, psxstr, stl, subviewer1, subviewer, sup, svag, svs, swf, tak, tedcaptions, thp, 3dostr, tiertexseq, tmv, truehd, tta, txd, tty, ty, usm, v210, v210x, vag, vc1, vc1test, vividas, vivo, vmd, vobsub, voc, vpk, vplayer, vqf, vvc, w64, wady, wavarc, wc3movie, webm_dash_manifest, webvtt, wsaud, wsd, wsvqa, wtv, wve, xa, xbin, xmd, xmv, xvag, xwma, yop, yuv4mpegpipe, bmp_pipe, cri_pipe, dds_pipe, dpx_pipe, exr_pipe, gem_pipe, gif_pipe, hdr_pipe, j2k_pipe, jpeg_pipe, jpegls_pipe, jpegxl_pipe, pam_pipe, pbm_pipe, pcx_pipe, pfm_pipe, pgmyuv_pipe, pgm_pipe, pgx_pipe, phm_pipe, photocd_pipe, pictor_pipe, png_pipe, ppm_pipe, psd_pipe, qdraw_pipe, qoi_pipe, sgi_pipe, svg_pipe, sunrast_pipe, tiff_pipe, vbn_pipe, webp_pipe, xbm_pipe, xpm_pipe, xwd_pipe
info [Main] SoundSourceSndFile - Disabling OGG decoding for "libsndfile-1.2.2"
info [Main] SoundSourceProxy - SoundSource providers for file type "3g2"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "3gp"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "aac"
info [Main] SoundSourceProxy - 4 (higher) : "Apple CoreAudio Version 12.6.7 (Build 21G651)"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "aiff"
info [Main] SoundSourceProxy - 3 (default) : "libsndfile"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "caf"
info [Main] SoundSourceProxy - 2 (lower) : "libsndfile"
info [Main] SoundSourceProxy - SoundSource providers for file type "flac"
info [Main] SoundSourceProxy - 4 (higher) : "Xiph.org libFLAC"
info [Main] SoundSourceProxy - 2 (lower) : "libsndfile"
info [Main] SoundSourceProxy - SoundSource providers for file type "it"
info [Main] SoundSourceProxy - 3 (default) : "MODPlug"
info [Main] SoundSourceProxy - SoundSource providers for file type "m4a"
info [Main] SoundSourceProxy - 4 (higher) : "Apple CoreAudio Version 12.6.7 (Build 21G651)"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "mj2"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "mod"
info [Main] SoundSourceProxy - 3 (default) : "MODPlug"
info [Main] SoundSourceProxy - SoundSource providers for file type "mov"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "mp2"
info [Main] SoundSourceProxy - 4 (higher) : "Apple CoreAudio Version 12.6.7 (Build 21G651)"
info [Main] SoundSourceProxy - SoundSource providers for file type "mp3"
info [Main] SoundSourceProxy - 4 (higher) : "Apple CoreAudio Version 12.6.7 (Build 21G651)"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "mp4"
info [Main] SoundSourceProxy - 4 (higher) : "Apple CoreAudio Version 12.6.7 (Build 21G651)"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "ogg"
info [Main] SoundSourceProxy - 4 (higher) : "Xiph.org OggVorbis"
info [Main] SoundSourceProxy - SoundSource providers for file type "okt"
info [Main] SoundSourceProxy - 3 (default) : "MODPlug"
info [Main] SoundSourceProxy - SoundSource providers for file type "opus"
info [Main] SoundSourceProxy - 4 (higher) : "Xiph.org libopusfile"
info [Main] SoundSourceProxy - SoundSource providers for file type "s3m"
info [Main] SoundSourceProxy - 3 (default) : "MODPlug"
info [Main] SoundSourceProxy - SoundSource providers for file type "stem.m4a"
info [Main] SoundSourceProxy - 4 (higher) : "STEM with FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "stem.mp4"
info [Main] SoundSourceProxy - 4 (higher) : "STEM with FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "stm"
info [Main] SoundSourceProxy - 3 (default) : "MODPlug"
info [Main] SoundSourceProxy - SoundSource providers for file type "wav"
info [Main] SoundSourceProxy - 3 (default) : "libsndfile"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "wv"
info [Main] SoundSourceProxy - 4 (higher) : "WavPack"
info [Main] SoundSourceProxy - 1 (lowest) : "FFmpeg 7.1"
info [Main] SoundSourceProxy - SoundSource providers for file type "xm"
info [Main] SoundSourceProxy - 3 (default) : "MODPlug"
info [Main] DbConnection - Available drivers for database connections: QList("QSQLITE", "QPSQL")
info [Main] DbConnectionPool - Cloned thread-local database connection "MIXXX-1" QSqlDatabase(driver="QSQLITE", database="file:///Users/tonell_m/Library/Containers/org.mixxx.mixxx/Data/Library/Application Support/Mixxx/mixxxdb.sqlite", host="", port=-1, user="mixxx", open=true)
info [Main] CoreServices - Connecting to database
info [Main] CoreServices - Initializing or upgrading database schema
info [Main] SchemaManager - Upgrading database schema to version 40 : "Add tuning_frequency_hz column to persist detected concert pitch (A4) for each track.\n      Using 0 as the default value to indicate that the pitch hasn't been detected yet."
info [Main] SchemaManager - Safely ignoring failed statement "ALTER TABLE library ADD COLUMN tuning_frequency_hz FLOAT DEFAULT 0.0" while re-applying a schema migration
info [Main] SchemaManager - Reapplied database schema migration to version 40
warning [0x600002909710] "Tonebridge Guitar Effects" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000293a240] "Ghz Panpot 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000290c090] "Ghz CanOpener Studio 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900770] "Ghz Lossy 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909560] "Wider" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000293c210] "Digitalis" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002924040] "Ghz Good Dither 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909530] "DigitalDistortion" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029094d0] "Ghz Midside Matrix 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909240] "Eos 2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909500] "Supercharger" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000291ca70] "ValhallaFreqEcho" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900560] "TAL-Reverb-2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000293a210] "Phasis" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000293a2a0] "ValhallaRoom" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900750] "Ghz Lohi 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909590] "Abbey Road RS124 (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900740] "Ghz Faraday Limiter 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002939fd0] "Ghz Midside 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000293a270] "Abbey Road RS124 (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029007b0] "DSEQ3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029007e0] "Ghz Trem Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000290c0f0] "Ghz Tone Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002930240] "Thermal" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900810] "Ghz Tiltshift 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029095c0] "Transit" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900840] "Ghz Vulf Compressor 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029095f0] "Vitamin (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000290c120] "Vitamin (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909620] "Ghz Wow Control 3" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900870] "OTT" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909650] "Relay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029008b0] "Ozone 8 Elements" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909680] "AUBandpass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029008e0] "TAL-Chorus-LX" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029096b0] "ValhallaDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900910] "AUDynamicsProcessor" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029096e0] "AUDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900970] "AUFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900940] "AUDistortion" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029009a0] "AUGraphicEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000290c150] "AUHipass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002924020] "AUPeakLimiter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002930270] "AUHighShelfFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029302a0] "AULowpass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029009d0] "AULowShelfFilter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029240b0] "AUMultibandCompressor" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000293c2f0] "AUMatrixReverb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029302d0] "AUNBandEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900a00] "AUNetSend" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000293c320] "AUNewPitch" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900a60] "AUParametricEQ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900a30] "ValhallaPlate" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900a90] "RX 8 Breath Control" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900ac0] "AURoundTripAAC" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900af0] "AURogerBeep" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900b20] "AUReverb2" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900b50] "ValhallaSupermassive" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909730] "AUSampleDelay" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900b80] "ValhallaShimmer" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900bb0] "AUPitch" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909760] "ValhallaUberMod" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900be0] "ValhallaVintageVerb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029240d0] "DS-10 Drum Shaper" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909710] "RC-20 Retro Color" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900be0] Could not instantiate Audio Unit "ValhallaVintageVerb" : 4097 (Check https://www.osstatus.com for a description)
warning [0x600002909650] Could not instantiate Audio Unit "Relay" : 4097 (Check https://www.osstatus.com for a description)
warning [0x600002930240] Could not instantiate Audio Unit "Thermal" : 4097 (Check https://www.osstatus.com for a description)
warning [0x600002900b20] Could not instantiate Audio Unit "AUReverb2" : 4097 (Check https://www.osstatus.com for a description)
warning [0x600002900af0] Could not instantiate Audio Unit "AURogerBeep" : 4097 (Check https://www.osstatus.com for a description)
warning [0x600002909680] Could not instantiate Audio Unit "AUBandpass" : 4097 (Check https://www.osstatus.com for a description)
warning [0x600002900a60] Could not instantiate Audio Unit "ValhallaPlate" : 4097 (Check https://www.osstatus.com for a description)
warning [0x6000029095c0] Could not instantiate Audio Unit "Transit" : 4097 (Check https://www.osstatus.com for a description)
warning [0x600002939fd0] Could not instantiate Audio Unit "Ghz Midside 3" : 4097 (Check https://www.osstatus.com for a description)
warning [0x600002909710] "BC Flanger 3 (Mono)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900c20] "Filterscape" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000290c090] "Abbey Road Saturator (m)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909560] "Abbey Road Saturator (s)" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909650] "FilterscapeQ6" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900be0] "VCV Bridge" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002930240] "MFlanger" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900b20] "MAutopan" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909680] "MEqualizer" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900af0] "MCompressor" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900a60] "MSaturator" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029095c0] "MPhaser" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002939fd0] "MRingModulator" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909710] "MTremolo" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900c20] "MVibrato" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x60000290c090] "MWaveShaper" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909560] "MFreqShifter" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909650] "MStereoExpander" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900be0] "MAnalyzer" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002930240] "MFreeformPhase" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900b20] "MBandPass" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002909680] "MBitFun" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900af0] "MCCGenerator" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002900a60] "MConvolutionEZ" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x6000029095c0] "MChannelMatrix" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [0x600002939fd0] "MCharmVerb" took more than 2000 ms to initialize, skipping manifest initialization for this effect. This means this effect will not display any parameters and likely not be useful!
warning [Main] Timed out while loading audio unit manifests
[1]    28227 segmentation fault  /Applications/Mixxx.app/Contents/MacOS/Mixxx

Btw on an unrelated note, I couldn't reinstall the snapshot version via homebrew, I got the following error:

==> Fetching downloads for: mixxx@snapshot
✔︎ Cask mixxx@snapshot (2.7-alpha-178-g8837b44a87)                                                                                                                                                                  Verified     65.0MB/ 65.0MB
==> Fetching downloads for: mixxx@snapshot
✔︎ Cask mixxx@snapshot (2.7-alpha-178-g8837b44a87)                                                                                                                                                                  Verified     65.0MB/ 65.0MB
==> Upgrading 1 outdated package:
mixxx@snapshot 2.7-alpha-176-geeb11b8d07 -> 2.7-alpha-178-g8837b44a87
==> Upgrading mixxx@snapshot
==> Purging files for version 2.7-alpha-178-g8837b44a87 of Cask mixxx@snapshot
Error: mixxx@snapshot: It seems the App source '/Applications/Mixxx.app' is not there.

Is it worth also filing an issue for this?

[xARSENICx]

Do you mind opening a PR with the fixes?

What should the PR look like exactly? It is basically cherry-picking already existing commits from the 2.6+ branches and rebasing them to 2.5 branch.
Also, I will like to investigate the 2.7 issue and see if the underlying bug is same or not. Will update here.