Comment # 11 on bug 1232768 from Michal Suchanek

I can't reproduce the video problem with the different USB hub and with the
audio workaround applied.

Switching back to the old hub I can still see noise in the dmesg:

[1814436.063867] usb 3-3.3: new high-speed USB device number 57 using xhci_hcd
[1814437.543990] usb 3-3.3: device descriptor read/64, error -71
[1814437.907765] usb 3-3.3: New USB device found, idVendor=03f0,
idProduct=654a, bcdDevice=12.01
[1814437.907783] usb 3-3.3: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[1814437.907789] usb 3-3.3: Product: HP 320 FHD Webcam
[1814437.907794] usb 3-3.3: Manufacturer: SunplusIT Inc
[1814437.907797] usb 3-3.3: SerialNumber: YJGD325HP20211201V0
[1814437.923928] usb 3-3.3: Found UVC 1.00 device HP 320 FHD Webcam (03f0:654a)
[1814438.006303] usb 3-3.3: device (03f0:654a): applying quirk alias 1bcf:2281
[1814438.347260] usb 3-3.3: 3:2: cannot set freq 11025 to ep 0x86
[1814438.350440] usb 3-3.3: 3:3: cannot set freq 16000 to ep 0x86
[1814438.353279] usb 3-3.3: 3:4: cannot set freq 22050 to ep 0x86
[1814438.356145] usb 3-3.3: 3:5: cannot set freq 24000 to ep 0x86
[1814438.359115] usb 3-3.3: 3:6: cannot set freq 32000 to ep 0x86
[1814438.362076] usb 3-3.3: 3:7: cannot set freq 44100 to ep 0x86
[1814438.364826] usb 3-3.3: 3:8: cannot set freq 48000 to ep 0x86
[1814438.367969] usb 3-3.3: 7:2: failed to get current value for ch 0 (-22)
[1814438.371642] usb 3-3.3: 7:2: cannot get min/max values for control 2 (id 7)
[1814438.668647] usb 3-3.3: USB disconnect, device number 57
[1814438.947954] usb 3-3.3: new high-speed USB device number 58 using xhci_hcd
[1814439.215645] usb 3-3.3: New USB device found, idVendor=03f0,
idProduct=654a, bcdDevice=12.01
[1814439.215651] usb 3-3.3: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[1814439.215652] usb 3-3.3: Product: HP 320 FHD Webcam
[1814439.215653] usb 3-3.3: Manufacturer: SunplusIT Inc
[1814439.215654] usb 3-3.3: SerialNumber: YJGD325HP20211201V0
[1814439.230740] usb 3-3.3: Found UVC 1.00 device HP 320 FHD Webcam (03f0:654a)
[1814439.312568] usb 3-3.3: device (03f0:654a): applying quirk alias 1bcf:2281
[1814443.917786] usb 3-3.3: set resolution quirk: cval->res = 16
[1814547.755830] usb 3-3.3: USB disconnect, device number 58
[1814547.756025] usb 3-3.3: cannot submit urb (err = -19)
[1814548.036064] usb 3-3.3: new high-speed USB device number 59 using xhci_hcd
[1814548.708160] usb 3-3.3: device descriptor read/64, error -71
[1814549.072045] usb 3-3.3: New USB device found, idVendor=03f0,
idProduct=654a, bcdDevice=12.01
[1814549.072058] usb 3-3.3: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[1814549.072062] usb 3-3.3: Product: HP 320 FHD Webcam
[1814549.072065] usb 3-3.3: Manufacturer: SunplusIT Inc
[1814549.072068] usb 3-3.3: SerialNumber: YJGD325HP20211201V0
[1814549.087760] usb 3-3.3: Found UVC 1.00 device HP 320 FHD Webcam (03f0:654a)
[1814549.169846] usb 3-3.3: device (03f0:654a): applying quirk alias 1bcf:2281
[1814553.774921] usb 3-3.3: set resolution quirk: cval->res = 16

but cannot get to the state when the camera stays unavailable.