Ubuntu
alsa-driver package

  1. Bug #1959527
  2. Comment #2

Comment 2 for bug 1959527

Revision history for this message
Ohad Lutzky (lutzky) wrote :

Workaround: Comment out the following line:

ATTRS{idVendor}=="08bb", ATTRS{idProduct}=="2902", ENV{ACP_PROFILE_SET}="behringer-umc22.conf"

...wherever it appears in /lib/udev/rules.d. For me this is in 90-{pipewire-alsa,pulseaudio}.rules.

I don't understand why this workaround helps. I found it here: https://www.reddit.com/r/linuxaudio/comments/qerbqa/suddenly_cant_select_input_of_behringer_umc22/