https://bugzilla.suse.com/show_bug.cgi?id=1191247 https://bugzilla.suse.com/show_bug.cgi?id=1191247#c5 --- Comment #5 from Takashi Iwai <tiwai@suse.com> --- (In reply to Andrea P from comment #4)
(In reply to Takashi Iwai from comment #3)
Thanks for quick testing.
Then could you load alsa-info.sh output from the patched kernel after suspend/resume? Run the script with --no-upload, and use Bugzilla attachment.
Thank you. Sorry but I have no idea how to run this script. where is located? so sorry, I'm not that expert :D
It's /usr/sbin/alsa-info.sh included in alsa-utils package. It should have been already installed. Just run it as root with --no-upload option, and attach the generated file to Bugzilla (don't paste, it's big).
- Check whether the problem persists with suspend-to-RAM and suspend-to-disk (hibernate). I assume you're dealing with the former, right?
Hibernate it doesn't work on my PC (maybe because I don't have a swap partition?).
Right, hibernate works only with a swap (or other dedicated) partition.
- Last but not least, check whether re-loading the driver fixes the problem without re-plugging. You might need to go out of desktop session once, unload snd-usb-audio module and re-load snd-usb-audio module on Linux console.
Again, so sorry but I don't know how to stop and re-load this module.
OK, then to make things easier: - Try to boot with a boot option "3" This will boot to Linux console without GUI - Login there, plug USB-audio device, test directly via aplay % aplay -Dplughw:XXX foo.wav as mentioned in the above. - Do suspend/resume % systemctl suspend - Check again aplay and confirm the mono output - Unload / reload the module % sudo modprobe -r snd-usb-audio % sudo modprobe snd-usb-audio - Test aplay again -- You are receiving this mail because: You are on the CC list for the bug.