[alsa-devel] Possible bug report

[Takashi Iwai]

On Thu, 01 Aug 2019 23:39:38 +0200,
Harry Bloomberg wrote:
> 
> While running an amateur radio application on a Raspberry Pi 3B+ with the
> stretch version of Raspberrian, I see the following in my syslog:
> 
> Aug  1 17:31:06 raspberrypi pulseaudio[853]: [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.
> Aug  1 17:31:06 raspberrypi pulseaudio[853]: [alsa-sink-USB Audio]
> alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_usb_audio'.
> Please report this issue to the ALSA developers.
> Aug  1 17:31:06 raspberrypi pulseaudio[853]: [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.
> 
> So...I am reporting this to the developers as instructed by the error
> message.  What additional information do you need?
> 
> I'm not exactly sure what I was doing to trigger this error.   I may have
> been exiting  the application.

It's usual chatty PulseAudio, so currently there is no much concern
regarding it, unless you face really any issue triggered by that.


thanks,

Takashi