[alsa-devel] Bug report: [alsa-sink-USB Audio] alsa-sink.c: Most likely this is a bug in the ALSA driver '(null)'. Please report this issue to the ALSA

[Raymond Yau]

>
>
>
> Bug report:
>

https://bugzilla.kernel.org/enter_bug.cgi?product=Drivers

You have to provide pulseaudio verbose log, output of alsa-info.sh ,  lsusb
-vvvv  and step to reproduce your problem when you report the bug

>
>
> ==> /var/log/user.log <==
>
> May 25 06:38:06 atom pulseaudio[6754]: [alsa-sink-USB Audio] alsa-sink.c:
> ALSA woke us up to write new data to the device, but there was actually
> nothing to write!
>
> May 25 06:38:06 atom pulseaudio[6754]: [alsa-sink-USB Audio] alsa-sink.c:
> Most likely this is a bug in the ALSA driver '(null)'. Please report this
> issue to the ALSA developers.

Name of alsa sink seem changed from USB-audio to null,  did you find any
unplug event if USB audio device in system log

Any error message related to USB controllers and your audio card

>
> May 25 06:38:06 atom pulseaudio[6754]: [alsa-sink-USB Audio] alsa-sink.c:
We
> were woken up with POLLOUT set -- however a subsequent snd_pcm_avail()
> returned 0 or another value < min_avail.
>
>