Public bug reported:
Well, thing is Ive been with this problem since 8.04, lets explain
myself
As you see in the bug attached information, I have an ASUS motherboard,
with ASUS GTX260 hdmi video/audio outpout.
In order to make audio work at system start I have to use the pulseaudio
GUI utility (pavucontrol) and in Outpout, check and uncheck mute. Then I
have sound working perfectly.
Thanks in advance for any help
Running 10.04 was the most stable scenario, I still have it installed on
another partition and works (the same way with pavucontrol trick)
without any issues.
Now on 11.10, usually a while after system start and the trick is done
sound is gone. I see at pavucontrol the sound level bars working with
apps but no matter what I do (alsamixer, pavucontrol, gnome
alsamixer...) sound wont get back unless I reboot and redo the trick.
I think that maybe flash or video playback could be on the problem, but
I cant be sure, I havent find yet a way to make the problem happens.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: alsa-base 1.0.24+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: carlos 1553 F.... pulseaudio
/dev/snd/pcmC0D0p: carlos 1553 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf9ff8000 irq 45'
Mixer name : 'Analog Devices AD1988B'
Components : 'HDA:11d4198b,1043829b,00100300'
Controls : 48
Simple ctrls : 26
Date: Sun Oct 16 13:14:42 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Audio Interno - HDA Intel
Symptom_Type: Sound works for a while, then breaks
Title: [HDA-Intel - HDA Intel, playback] fails after a while
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/26/2007
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0204
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5K Premium
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0204:bd06/26/2007:svnSystemmanufacturer:pnP5KPremium:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5KPremium:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5K Premium
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 oneiric running-unity
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https://bugs.launchpad.net/bugs/875653
Title:
[HDA-Intel - HDA Intel, playback] fails after a while
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