Public bug reported:
Sound on built in speakers on Thinkpad X200i crackles, goes silent, returns to
normal.
Restarting pluseaudio helps for a few seconds and sometimes the "test sound"
button on the sound settings dialogue also helps.
This problem re-appeared after upgrade to 12.04.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: alsa-base 1.0.25+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-23.35-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: nmurphy 16063 F.... pulseaudio
/dev/snd/pcmC0D0c: nmurphy 16063 F...m pulseaudio
/dev/snd/pcmC0D0p: nmurphy 16063 F...m pulseaudio
Date: Sat Feb 9 00:13:11 2013
InstallationDate: Installed on 2012-05-19 (265 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful
Symptom_Card: Built-in Audio - HDA Intel
Symptom_Jack: Speaker, Internal
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Underruns, dropouts, or "crackling" sound
Title: [7466FVG, Conexant CX20561 (Hermosa), Speaker, Internal] Underruns,
dropouts or crackling sound
UpgradeStatus: Upgraded to quantal on 2012-10-31 (100 days ago)
dmi.bios.date: 09/17/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 7XET60WW (3.10 )
dmi.board.name: 7466FVG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr7XET60WW(3.10):bd09/17/2009:svnLENOVO:pn7466FVG:pvrThinkPadX200s:rvnLENOVO:rn7466FVG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7466FVG
dmi.product.version: ThinkPad X200s
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug quantal running-unity
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https://bugs.launchpad.net/bugs/1119868
Title:
[7466FVG, Conexant CX20561 (Hermosa), Speaker, Internal] Underruns,
dropouts or crackling sound
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