usb_bulk_send() ERROR -4: No such device (it may have been disconnected) #12
Description
wget https://github.com/linux-sunxi/sunxi-tools/raw/master/bin/fel-sdboot.sunxi
dd if=fel-sdboot.sunxi of=/dev/sdd bs=1024 seek=8
./boot-tools/sunxi-tools/sunxi-fel -l
USB device 001:034 Allwinner A64 92c089ba:24204620:78f4c71c:0c030710
make pine64_ums
# 0x4A0000e0: is a work mode: the 0x55 is a special work mode used to force USB mass storage
# 0x4A0000e4: is a storage type: SD card
sunxi-tools/sunxi-fel -v spl boot/pine64/fes1-pine64-plus.bin
Stack pointers: sp_irq=0x00012000, sp=0x00015E08
MMU is not enabled by BROM
=> Executing the SPL... done.
sunxi-tools/sunxi-fel write-with-progress 0x4A000000 boot/pine64/u-boot-pine64-plus.bin \
writel 0x4A0000e0 0x55 \
writel 0x4A0000e4 0x0 \
exe 0x4A000000
13% [====== ] 509.6 kB/s, ETA 00:02 usb_bulk_send() ERROR -4: No such device (it may have been disconnected)
make: *** [Makefile:224: pine64_ums] Error 2
[132303.950131] usb 1-2: USB disconnect, device number 33
wozza@splice(1)~/mobian/boot-tools>[132304.459675] usb 1-2: new full-speed USB device number 34 using xhci_hcd
[132304.608267] usb 1-2: New USB device found, idVendor=1f3a, idProduct=efe8, bcdDevice= 2.b3
[132304.608268] usb 1-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
So close - yet so far away.