Public bug reported:
I realized that after changing visual effects settings (system-
preferences-appearance) to extra, and then back to none, I've lost
sound. On the display I can see the vol. up/down/mute key functioning
correctly, but no sound what so ever.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-26.47-generic 2.6.32.24+drm33.11
Uname: Linux 2.6.32-26-generic i686
NonfreeKernelModules: hsfengine
AlsaDevices:
total 0
drwxr-xr-x 2 root root 60 2010-11-25 16:25 by-path
crw-rw----+ 1 root audio 116, 4 2010-11-25 16:25 controlC29
crw-rw----+ 1 root audio 116, 3 2010-11-25 16:25 seq
crw-rw----+ 1 root audio 116, 2 2010-11-25 16:25 timer
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices: **** List of PLAYBACK Hardware Devices ****
Architecture: i386
ArecordDevices: **** List of CAPTURE Hardware Devices ****
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC29', '/dev/snd/seq', '/dev/snd/timer', '/dev/sequencer2',
'/dev/sequencer'] failed with exit code 1:
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
7VHT16WW-1.06'
Mixer name : 'ThinkPad EC 7VHT16WW-1.06'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Thu Nov 25 16:31:10 2010
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=pt:pt_BR:en
PATH=(custom, user)
LANG=pt_PT.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Title: Soundcard not detected
dmi.bios.date: 08/02/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UET89WW (3.19 )
dmi.board.name: 6474B84
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:bvr7UET89WW(3.19):bd08/02/2010:svnLENOVO:pn6474B84:pvrThinkPadT400:rvnLENOVO:rn6474B84:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 6474B84
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: apport-bug i386 lucid
--
Soundcard detected, but no sound
https://bugs.launchpad.net/bugs/681470
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