Public bug reported:
Binary package hint: pulseaudio
One of my machines, that never had audio problems with previous Ubuntu
versions, renders audio playback unusable with Lucid. It keeps
skipping/rewinding playback and it doesn't matter what program do I use
or even what kind of media file.
With PA debug watching, I get such output when it starts skipping audio:
D: alsa-sink.c: Wakeup from ALSA!
I: alsa-sink.c: Underrun!
I: alsa-sink.c: Increasing wakeup watermark to 50,00 ms
D: protocol-native.c: Underrun on ''The Racing Rats' by 'Editors'', 0 bytes in
queue.
D: protocol-native.c: Requesting rewind due to rewrite.
D: alsa-sink.c: Requested to rewind 39124 bytes.
D: alsa-sink.c: Limited to 6836 bytes.
D: alsa-sink.c: before: 1709
D: alsa-sink.c: after: 1709
D: alsa-sink.c: Rewound 6836 bytes.
D: sink.c: Processing rewind...
D: sink-input.c: Have to rewind 6836 bytes on render memblockq.
D: sink-input.c: Have to rewind 13672 bytes on implementor.
D: source.c: Processing rewind...
D: protocol-native.c: Requesting rewind due to rewrite.
D: alsa-sink.c: Requested to rewind 39376 bytes.
D: alsa-sink.c: Limited to 7036 bytes.
D: alsa-sink.c: before: 1759
D: alsa-sink.c: after: 1759
D: alsa-sink.c: Rewound 7036 bytes.
D: sink.c: Processing rewind...
D: sink-input.c: Have to rewind 7036 bytes on render memblockq.
D: sink-input.c: Have to rewind 14072 bytes on implementor.
D: source.c: Processing rewind...
And it goes on and on and on, until at some point it plays ok for few
minutes, then starts skipping again.
It also doesn't matter if I do something else or I play music with all
other programs closed.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14
ProcVersionSignature: Ubuntu 2.6.32-20.29-generic-pae 2.6.32.11+drm33.2
Uname: Linux 2.6.32-20-generic-pae i686
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: robi 1522 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
Mixer name : 'Realtek ALC889A'
Components : 'HDA:10ec0885,1458a002,00100101'
Controls : 43
Simple ctrls : 24
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfdffc000 irq 19'
Mixer name : 'ATI RS690/780 HDMI'
Components : 'HDA:1002791a,00791a00,00100000'
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: Mon Apr 12 12:28:06 2010
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
ProcEnviron:
LANG=sl_SI.utf8
SHELL=/bin/bash
SourcePackage: pulseaudio
dmi.bios.date: 04/29/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F3
dmi.board.name: GA-MA78GM-UD2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF3:bd04/29/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA78GM-UD2H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA78GM-UD2H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA78GM-UD2H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 lucid
--
[Lucid] Audio Regression
https://bugs.launchpad.net/bugs/561368
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