Comment 13 for bug 450832

This is what I got from log viewer. About the same time system kick back to login screen.

Jan 17 09:28:48 b-desktop pulseaudio[1955]: ratelimit.c: 2 events suppressed
Jan 17 13:53:24 b-desktop pulseaudio[1955]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jan 17 13:53:24 b-desktop pulseaudio[1955]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jan 17 13:53:24 b-desktop pulseaudio[1955]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jan 17 21:03:56 b-desktop pulseaudio[1955]: ratelimit.c: 138 events suppressed
Jan 17 21:06:47 b-desktop pulseaudio[1955]: ratelimit.c: 1 events suppressed
Jan 17 21:06:52 b-desktop pulseaudio[1955]: ratelimit.c: 3 events suppressed
Jan 18 08:53:10 b-desktop pulseaudio[1945]: ratelimit.c: 3 events suppressed
Jan 19 09:08:39 b-desktop pulseaudio[1908]: ratelimit.c: 1 events suppressed
Jan 19 18:02:55 b-desktop pulseaudio[1908]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jan 19 18:02:55 b-desktop pulseaudio[1908]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jan 19 18:02:55 b-desktop pulseaudio[1908]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jan 20 21:33:55 b-desktop pulseaudio[1950]: ratelimit.c: 2 events suppressed
Jan 21 09:43:03 b-desktop pulseaudio[1937]: ratelimit.c: 1 events suppressed
Jan 21 12:05:57 b-desktop pulseaudio[1937]: ratelimit.c: 116 events suppressed
Jan 21 12:05:57 b-desktop pulseaudio[1937]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jan 21 12:05:57 b-desktop pulseaudio[1937]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jan 21 12:05:57 b-desktop pulseaudio[1937]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Jan 22 10:55:14 b-desktop pulseaudio[1936]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jan 22 10:55:14 b-desktop pulseaudio[1936]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jan 22 10:55:14 b-desktop pulseaudio[1936]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.