[Bug 545065] [NEW] pulseaudio ratelimit.c messages and jittery sound

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Binary package hint: pulseaudio

I receive a whole bunch of messages in messages.log:

Mar 24 00:08:41 quad pulseaudio[1463]: ratelimit.c: 344 events suppressed
Mar 24 00:08:46 quad pulseaudio[1463]: ratelimit.c: 976 events suppressed
Mar 24 00:08:52 quad pulseaudio[1463]: ratelimit.c: 868 events suppressed
Mar 24 00:08:57 quad pulseaudio[1463]: ratelimit.c: 839 events suppressed
Mar 24 00:09:02 quad pulseaudio[1463]: ratelimit.c: 980 events suppressed
...etc

This only happens at certain times, like when playing some songs with
rhythmbox or banshee. The sound goes jittery, like a slight pause a few
times each second. This happened on my old machine as well. I have done
a fresh install of Lucid Beta 1 but the problem still occurs.

ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  hew        1463 F.... pulseaudio
 /dev/snd/pcmC0D0p:   hew        1463 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
   Mixer name	: 'Realtek ALC888'
   Components	: 'HDA:10ec0888,1458e601,00100001'
   Controls      : 39
   Simple ctrls  : 21
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfdffc000 irq 19'
   Mixer name	: 'ATI R6xx HDMI'
   Components	: 'HDA:1002aa01,00aa0100,00100100'
   Controls      : 4
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [off]
Date: Wed Mar 24 00:12:11 2010
DistroRelease: Ubuntu 10.04
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu12
ProcEnviron:
 PATH=(custom, user)
 LANG=en_AU.utf8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
SourcePackage: pulseaudio
Uname: Linux 2.6.32-16-generic x86_64

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


** Tags: amd64 apport-bug lucid
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pulseaudio ratelimit.c messages and jittery sound
https://bugs.edge.launchpad.net/bugs/545065
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