Comment 5 for bug 587185

a part of /var/log/syslog:
Jun 7 01:12:00 lucid rtkit-daemon[1450]: Sucessfully made thread 1753 of process 1446 (n/a) owned by '1000' RT at priority 5.
Jun 7 01:12:00 lucid rtkit-daemon[1450]: Supervising 3 threads of 1 processes of 1 users.
Jun 7 01:12:00 lucid rtkit-daemon[1450]: Sucessfully made thread 1754 of process 1446 (n/a) owned by '1000' RT at priority 5.
Jun 7 01:12:00 lucid rtkit-daemon[1450]: Supervising 4 threads of 1 processes of 1 users.
Jun 7 01:12:00 lucid rtkit-daemon[1450]: Sucessfully made thread 1756 of process 1756 (n/a) owned by '1000' high priority at nice level -11.
Jun 7 01:12:00 lucid rtkit-daemon[1450]: Supervising 5 threads of 2 processes of 1 users.

Jun 7 01:12:00 lucid pulseaudio[1756]: pid.c: Daemon already running.

Jun 7 01:12:00 lucid rtkit-daemon[1450]: Sucessfully made thread 1757 of process 1757 (n/a) owned by '1000' high priority at nice level -11.
Jun 7 01:12:00 lucid rtkit-daemon[1450]: Supervising 5 threads of 2 processes of 1 users.

Jun 7 01:12:00 lucid pulseaudio[1757]: pid.c: Daemon already running.

Jun 7 01:12:02 lucid AptDaemon: INFO: Initializing daemon
Jun 7 01:12:07 lucid kernel: [ 14.231367] eth0: no IPv6 routers present
Jun 7 01:12:24 lucid pulseaudio[1446]: ratelimit.c: 11 events suppressed
Jun 7 01:14:15 lucid NetworkManager: <info> Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889)
Jun 7 01:16:40 lucid kernel: [ 286.680101] CE: hpet increasing min_delta_ns to 15000 nsec
Jun 7 01:17:01 lucid CRON[1909]: (root) CMD ( cd / && run-parts --report /etc/cron.hourly)
Jun 7 01:17:03 lucid AptDaemon: INFO: Quiting due to inactivity
Jun 7 01:17:03 lucid AptDaemon: INFO: Shutdown was requested

Jun 7 01:26:07 lucid pulseaudio[1446]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Jun 7 01:26:07 lucid pulseaudio[1446]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers.
Jun 7 01:26:07 lucid pulseaudio[1446]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.

Jun 7 01:26:20 lucid pulseaudio[1446]: ratelimit.c: 19 events suppressed
Jun 7 01:32:28 lucid pulseaudio[1446]: ratelimit.c: 36 events suppressed
Jun 7 01:33:11 lucid pulseaudio[1446]: ratelimit.c: 12 events suppressed
Jun 7 01:44:40 lucid pulseaudio[1446]: ratelimit.c: 24 events suppressed
Jun 7 01:50:00 lucid pulseaudio[1446]: ratelimit.c: 1 events suppressed
Jun 7 01:53:52 lucid pulseaudio[1446]: ratelimit.c: 7 events suppressed
Jun 7 01:55:16 lucid pulseaudio[1446]: ratelimit.c: 63 events suppressed