[Bug 480802] [NEW] pulseaudio strange log messages and flickering sounds in pidgin

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Binary package hint: pulseaudio

After I installed Ubuntu 9.10 I noticed a many log messages from
pulseaudio in "user.log" section from System Log Viewer:

Nov 7 12:20:07 ubuntu pulseaudio[1440]: ratelimit.c: 16 events suppressed
Nov 7 12:20:12 ubuntu pulseaudio[1440]: ratelimit.c: 13 events suppressed
Nov 7 12:20:21 ubuntu pulseaudio[1440]: ratelimit.c: 8 events suppressed
Nov 7 13:26:53 ubuntu pulseaudio[1441]: ratelimit.c: 109 events suppressed
Nov 7 13:27:15 ubuntu pulseaudio[1441]: ratelimit.c: 90 events suppressed
Nov 7 13:27:44 ubuntu pulseaudio[1441]: ratelimit.c: 94 events suppressed
Nov 7 13:36:00 ubuntu pulseaudio[1441]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Nov 7 13:36:00 ubuntu pulseaudio[1441]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_via82xx'. Please report this issue to the ALSA developers.
Nov 7 13:36:00 ubuntu pulseaudio[1441]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Nov 7 13:54:14 ubuntu pulseaudio[1441]: ratelimit.c: 88 events suppressed
Nov 7 13:56:21 ubuntu pulseaudio[1441]: ratelimit.c: 89 events suppressed
Nov 7 14:14:44 ubuntu pulseaudio[1441]: ratelimit.c: 72 events suppressed
Nov 7 14:16:20 ubuntu pulseaudio[1441]: ratelimit.c: 91 events suppressed
Nov 7 14:17:41 ubuntu pulseaudio[1441]: ratelimit.c: 82 events suppressed
Nov 7 14:20:51 ubuntu pulseaudio[1441]: ratelimit.c: 91 events suppressed

This is just part of the log. There are a lot of similar messages.
Besides that I also noticed that pidgin sounds flicker. If I remove pulseaudio package the sounds stop flickering as well as those log messages.
And what means "ratelimit.c: xx messages suppressed" ? Is this bad?

pulseaudio:
  Installed: 1:0.9.19-0ubuntu4
  Candidate: 1:0.9.19-0ubuntu4
  Version table:
 *** 1:0.9.19-0ubuntu4 0
        500 http://ro.archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  florin     1526 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'V8237'/'VIA 8237 with ALC655 at 0xe000, irq 22'
   Mixer name	: 'Realtek ALC655 rev 0'
   Components	: 'AC97a:414c4760'
   Controls      : 48
   Simple ctrls  : 29
Date: Wed Nov 11 19:24:50 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
Package: pulseaudio 1:0.9.19-0ubuntu4
ProcEnviron:
 LANGUAGE=en_US.UTF-8
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: pulseaudio
Uname: Linux 2.6.31-14-generic i686
modified.conffile..etc.X11.Xsession.d.70pulseaudio: [deleted]

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: apport-bug i386
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pulseaudio strange log messages and flickering sounds in pidgin
https://bugs.edge.launchpad.net/bugs/480802
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