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** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/795763
Title:
Updates periodically reselect wrong audio output device
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
I have sound output devices listed in sound preferences: Internal
Audio Analog and HD48x0 audio Digital. The one I use is the former,
but updates often switch it back to the latter.
This results in either sound not working at all or more often just the
global volume controls not working. Since I seldom change volume using
software, I haven't yet been able to determine which package I may may
upgrade when this happens.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-9.43-generic 2.6.38.4
Uname: Linux 2.6.38-9-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jan 1467 F.... pulseaudio
/dev/snd/pcmC0D0p: jan 1467 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xfe878000 irq 21'
Mixer name : 'Nvidia MCP77/78 HDMI'
Components : 'HDA:10ec0888,104382fe,00100101
HDA:10de0002,10de0101,00100000'
Controls : 44
Simple ctrls : 23
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfeafc000 irq 43'
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 [on]
Date: Sat Jun 11 00:43:12 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia successful
Symptom_Card: Internal Audio - HDA NVidia
Symptom_Jack: Green Headphone Out, Front
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: None of the above
Title: [System Product Name, Realtek ALC1200, Green Headphone Out, Front]
Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/25/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0604
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M3N78-EM
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0604:bd05/25/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM3N78-EM:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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