Public bug reported:
I was able to resolve this issue by going through each "sound card" and
checking the volume levels.
The default "alsa mixer" was ok, but "Playback: internal audio analogue
stereo (pulseAudio mixer)" was muted.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: alsa-base 1.0.24+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-16.29-generic 3.0.20
Uname: Linux 3.0.0-16-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC892 Analog [ALC892 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xfbf00000 irq 56'
Mixer name : 'Realtek ALC892'
Components : 'HDA:10ec0892,18493892,00100302'
Controls : 33
Simple ctrls : 19
Card1.Amixer.info:
Card hw:1 'Generic'/'HD-Audio Generic at 0xfbe40000 irq 57'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100200'
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: Tue Mar 13 08:41:57 2012
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
ProcEnviron:
SHELL=/bin/bash
PATH=(custom, no user)
LANG=en_GB.UTF-8
LANGUAGE=en_GB:en
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Internal Audio - HDA Intel PCH
Symptom_Jack: Green Line Out, Rear
Symptom_Type: No sound at all
Title: [To Be Filled By O.E.M., Realtek ALC892, Green Line Out, Rear] No sound
at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/04/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.30
dmi.board.name: Z68 Extreme4
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd05/04/2011:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ68Extreme4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric
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https://bugs.launchpad.net/bugs/953843
Title:
[To Be Filled By O.E.M., Realtek ALC892, Green Line Out, Rear] No
sound at all
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