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** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/686626
Title:
Sound stops working in Ubuntu 10.10
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
Occasionally when I boot into Ubuntu the sound will be non-existent.
If I mute and unmute the sound manager I hear a "static-like" click in
the headphones. The headphones are brand new and the problem was
occuring with my older headphones as well. I have no speakers for my
computer.
If I do nothing then I will hear (every few seconds) a click first in
the left side of the head phones then the right side. The sound will
continue to alternate like that.
In the past booting into windows (I am dual booting) has fixed the
problem although the sound was not working in Windows 7 either (only
after I restart and boot into Ubuntu for a second time does it seem to
work).
It should be noted that simply restarting my computer and booting into
Ubuntu does NOT fix the problem.
Could Win7 be toggling the sound? I am unable to kill the pulse audio
process. It has a "nice" rating of -11.
UPDATE: I just tested my "Windows is killing my sound" theory and it
seemed to hold true. I restarted my computer, booted into Windows 7,
then restarted my computer and booted back into Ubuntu. Sound now
works. Here's my recent timeline:
Last night booted into Windows 7; turned off my computer and went to bed.
This morning booted into Ubuntu to discover no sound.
Restarted my computer in hopes of fixing the problem; still no sound.
Restarted my computer and booted into Windows 7
Restarted my computer and booted into Ubuntu. Sound works!
Hope this helps...
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-23.41-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic x86_64
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: kyle 2405 F.... pulseaudio
/dev/snd/pcmC0D0p: kyle 2405 F...m pulseaudio
/dev/snd/controlC1: kyle 2405 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfe3f8000 irq 16'
Mixer name : 'Realtek ALC892'
Components : 'HDA:10ec0892,14627599,00100302'
Controls : 31
Simple ctrls : 18
Card1.Amixer.info:
Card hw:1 'U0x46d0x8b2'/'USB Device 0x46d:0x8b2 at usb-0000:00:12.0-4, full
speed'
Mixer name : 'USB Mixer'
Components : 'USB046d:08b2'
Controls : 2
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
Capture channels: Mono
Limits: Capture 0 - 3
Mono: Capture 0 [0%] [30.00dB] [on]
Card2.Amixer.info:
Card hw:2 'HDMI'/'HDA ATI HDMI at 0xfe5ec000 irq 49'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100100'
Controls : 4
Simple ctrls : 1
Card2.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Tue Dec 7 07:48:37 2010
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: alsa-driver
dmi.bios.date: 06/24/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V17.6
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 870A-G54 (MS-7599)
dmi.board.vendor: MSI
dmi.board.version: 3.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 3.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV17.6:bd06/24/2010:svnMSI:pnMS-7599:pvr3.0:rvnMSI:rn870A-G54(MS-7599):rvr3.0:cvnMSI:ct3:cvr3.0:
dmi.product.name: MS-7599
dmi.product.version: 3.0
dmi.sys.vendor: MSI
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