Add test results for Lenovo ThinkPad X1 Carbon Gen 4 (20FB0069MN)

[oursin-zz]

Summary

Laptop make/model:** Lenovo ThinkPad X1 Carbon Gen 4 (20FB0069MN)

System information

Laptop make/model: Lenovo ThinkPad X1 Carbon Gen 4 (20FB0069MN)
uname -a output:
FreeBSD FreeBSDx1 15.1-RELEASE FreeBSD 15.1-RELEASE releng/15.1-n283562-96841ea08dcf GENERIC amd64

Tests Completed

Installation

• I can install FreeBSD easily as a new user and jump into a graphical desktop environment on the next boot.
  (FreeBSDFoundation/proj-laptop Issue 25)

Wireless

• The laptop has Wi-Fi 5 support (802.11ac)
  (FreeBSDFoundation/proj-laptop Issue 33)
• The laptop has Wi-Fi 6/6E support (802.11ax), with observed speeds of 1Gbps+.
  (FreeBSDFoundation/proj-laptop Issue 34)
• The laptop automatically connects to known Wi-Fi networks without requiring me to manually reconnect each time.
  (FreeBSDFoundation/proj-laptop Issue 4)
• I can connect my laptop to the internet by tethering with my mobile phone.
• There is a built-in tool to identify available WiFi networks, choose one to connect to, and provide a passphrase.
  (FreeBSDFoundation/proj-laptop Issue 3)

Audio/Video

• Sound seamlessly switches to headphones when plugged in, and back to speakers when plugged out.
  (FreeBSDFoundation/proj-laptop Issue 15)
• Graphical applications (such as games and media content creation tools) run smoothly on the laptop at the screen refresh rate or higher.
  (FreeBSDFoundation/proj-laptop Issue 11)
  (FreeBSDFoundation/proj-laptop Issue 13)
• I can share my screen on all popular browsers and other applications that request the webcam.
  (FreeBSDFoundation/proj-laptop Issue 14)
• I can stay connected in a virtual meeting for an hour or longer on all popular video conferencing software with no disruptions.

Power

• The laptop lasts through an 8-hour workday on a single charge
  (FreeBSDFoundation/proj-laptop Issue 6)
• I can close the lid to enter sleep mode, then open the lid hours later to resume working.
  (FreeBSDFoundation/proj-laptop Issue 7)
  Note: only works after adding a custom devd(8) script with a delay timer — not out of the box. See comments.md.
• The laptop can enter and resume from hibernation mode with no change to its operating state.
  (FreeBSDFoundation/proj-laptop Issue 29)

User Experience

• I can change the keyboard backlight and display backlight to view at a comfortable brightness.
• I can use multi-finger touchpad gestures in my desktop environment.
  (FreeBSDFoundation/proj-laptop Issue 18)
• All of the laptop's specialty keyboard buttons (e.g. brightness, volume, etc.) work correctly and can be customized in my desktop environment.
  (FreeBSDFoundation/proj-laptop Issue 19)
• I can connect to an external monitor or projector using HDMI while using my desktop environment's display settings manager to configure it.
  (FreeBSDFoundation/proj-laptop Issue 27)

Virtualization

• Suspending the laptop while a VM is running does not affect the VM's state upon resume.
  (FreeBSDFoundation/proj-laptop Issue 9)
• I can run Windows VMs on the laptop.
  (FreeBSDFoundation/proj-laptop Issue 21)

Additional Info

See comments.md in test_results/20FB0069MN/ for detailed findings, including:

• DPMS screen-off ("Turn off screen" in Power Management) causes a full system hang, likely related to known i915kms/drm-kmod display power-state issues on this chipset (Intel HD Graphics 520 / Skylake-U).
• Suspend (S3) works correctly at the kernel level (acpiconf -s 3), but Plasma's Power Management page does not offer a Suspend option at all. Root cause: ConsoleKit2's CanSuspend D-Bus method incorrectly returns "no" because it appears to treat PowerDevil's own handle-suspend-key inhibitor as a real block. Worked around with a sudoers NOPASSWD rule + custom KDE global shortcut for manual suspend, and a custom devd(8) script for lid-close/inactivity-based suspend.
• Shutdown/Restart options are missing from Plasma's logout menu by default. ConsoleKit2 reports active = FALSE for the X11/SDDM session even after adding pam_ck_connector.so to SDDM's PAM stack. Worked around with a custom polkit rule granting the wheel group the org.freedesktop.consolekit.system.stop/.restart actions directly.
• KDE's native "Wi-Fi & Internet" settings page shows no networks, since the real freedesktop.org NetworkManager (which plasma-nm depends on) is not available on FreeBSD. Used GhostBSD's standalone networkmgr tray application instead, which works well once manually installed.
• Bluetooth reported as NOT DETECTED by the hw-probe tool, despite ng_bluetooth/ng_hci/ng_ubt kernel modules being loaded. Not investigated further.

[svmhdvn]

Thanks for the contribution and detailed comments! The comments are especially valuable. My thoughts:

Bluetooth reported as NOT DETECTED by the hw-probe tool, despite ng_bluetooth/ng_hci/ng_ubt kernel modules being loaded. Not investigated further.

Thanks for letting us know. I just pushed an update to the repo to report USB bluetooth devices. Can you please re-run make with latest HEAD? That would be appreciated, and would catch the discrepancy you found.

[KDE ISSUES]

These would be great to report against our KDE ports at https://bugs.freebsd.org/, tagging the FreeBSD KDE maintainers. A NetworkManager port is in progress, but will take some time due to linux assumptions and missing dependencies.