Public bug reported:
Sound is available after booting but goes away after 5-120 minutes.
Sound failure does not appear to be associated with anything other than
the passage of time.
This problem appeared after I ran an upgrade on 2013-05-18 which affected 82
packages, notably
alsa-utils:i386 (1.0.25-1ubuntu5, 1.0.25-1ubuntu5.2),
libasound2:i386 (1.0.25-1ubuntu10.1, 1.0.25-1ubuntu10.2),
Previously the system had worked flawlessly for many months.
Thank you.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.2.0-44.69-generic-pae 3.2.44
Uname: Linux 3.2.0-44-generic-pae i686
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu17.2
Architecture: i386
Card0.Amixer.info:
Card hw:0 'Generic'/'HD-Audio Generic at 0xfeb44000 irq 44'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
Controls : 6
Simple ctrls : 1
Card0.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Card1.Amixer.info:
Card hw:1 'SB'/'HDA ATI SB at 0xfeb40000 irq 16'
Mixer name : 'Realtek ALC887-VD'
Components : 'HDA:10ec0887,10ec0887,00100302'
Controls : 45
Simple ctrls : 21
Date: Sat May 25 11:04:56 2013
InstallationMedia: Mythbuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
TERM=cygwin
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HD-Audio Generic
Symptom_Jack: Digital Out, HDMI
Symptom_Type: Sound works for a while, then breaks
Title: [MS-7698, ATI R6xx HDMI, Digital Out, HDMI] fails after a while
UpgradeStatus: Upgraded to precise on 2012-05-18 (372 days ago)
dmi.bios.date: 03/14/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.4
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: E350IA-E45 (MS-7698)
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV1.4:bd03/14/2011:svnMSI:pnMS-7698:pvr1.0:rvnMSI:rnE350IA-E45(MS-7698):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7698
dmi.product.version: 1.0
dmi.sys.vendor: MSI
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise
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https://bugs.launchpad.net/bugs/1184178
Title:
[MS-7698, ATI R6xx HDMI, Digital Out, HDMI] fails after a while
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