Comment 2 for bug 378169

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Asif Youssuff (yoasif) wrote : Re: karmic: pulseaudio stops playing audio periodically

I ran pulseaudio in console mode, and received these errors:

$ pulseaudio
E: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
E: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
E: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
E: alsa-sink.c: snd_pcm_mmap_commit: Device or resource busy

This makes it seem like a kernel error. Any help troubleshooting this bug would be very helpful.