Public bug reported:
from time to time, i'll open a video or an mp3 or whatever else uses
sound and will get no sound on playback. i will get no sound at all, not
even system sound. if i reboot the machine, i regain sound as usual. a
few days later, i will lose sound again. reboot again. sound again. days
later, no sound. reboot, repeat.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: woofy 2420 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xf2500000 irq 16'
Mixer name : 'IDT 92HD71B7X'
Components : 'HDA:111d76b2,103c3642,00100302'
Controls : 21
Simple ctrls : 13
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xf2410000 irq 46'
Mixer name : 'ATI RS690/780 HDMI'
Components : 'HDA:1002791a,00791a00,00100000'
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 Oct 30 11:34:53 2010
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.utf8
SHELL=/bin/bash
SelectedCard: 0 SB HDA-Intel - HDA ATI SB
SourcePackage: alsa-driver
Symptom: audio
Title: [IDT 92HD71B7X] ALSA test tone not correctly played back
dmi.bios.date: 12/10/2009
dmi.bios.vendor: Insyde
dmi.bios.version: F.17
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3642
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 40.23
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnInsyde:bvrF.17:bd12/10/2009:svnHewlett-Packard:pnHPPaviliondv4NotebookPC:pvr049D210000241210000020000:rvnHewlett-Packard:rn3642:rvr40.23:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv4 Notebook PC
dmi.product.version: 049D210000241210000020000
dmi.sys.vendor: Hewlett-Packard
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
--
no sound at all; must reboot machine to regain sound; happens once a week and
dont know what triggers the problem
https://bugs.launchpad.net/bugs/668612
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