Thanks to macg3, the workaround you suggested works for me on kernel
5.4.0-99.112. There is one correction. The name of the audio driver is
snd_usb_audio and not snd-usb-audio. So in my case after a fresh boot
the webcam did not work, and after executing:
sudo modprobe -r snd_usb_audio
sudo modpro
I use Ubuntu 20.04. Latest kernel with working webcam is still 5.4.0-91
for me. Just tried the new 5.4.0-97.110 and webcam is not working as in
all other kernel versions after 5.4.0-91.
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h
Same problem on 12.04 upgraded from 11.10. Under 11.10 USB 3.0 ports
worked fine (although slower then expected - approximately USB2.0 speed)
after upgrading I've got the same error.
USB controller: NEC Corporation uPD720200
Jun 18 18:29:42 hat-uo kernel: [11242.726614] xhci_hcd :03:00.0: Ti
