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** Changed in: alsa-driver (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/711906
Title:
Sound broken in kernel 2.6.35-25 after routine updates
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
My sound was perfect until about an hour ago after I ran the regular
system update. All sound was dead even though all volumes were turned
up and alsamixer reported all channels turned up. I don't think a
kernel update was included, but I was not watching very carefully.
Sound works when I boot off 2.6.32-27.
I resolved the problem by enabling the ubuntu-audio-dev ppa:
sudo add-apt-repository ppa:ubuntu-audio-dev/ppa
sudo apt-get update
and installing:
sudo apt-get install linux-alsa-driver-modules-$(uname -r)
This is not ideal because the default repository packaging is breaking
the sound. I am not sure if this is going to break again on the next
kernel update?
Here is my sound configuration from BEFORE the fix (I ran "wget
http://www.alsa-project.org/alsa-info.sh -O alsa-info.sh && bash alsa-
info.sh" from terminal to get this):
http://www.alsa-
project.org/db/?f=99aca7c1374470f3e31df3d525904f5dd6aa6610
And AFTER:
http://www.alsa-
project.org/db/?f=6f892e0a72deec405b39602adefb2dc2799fe58e
Hope this helps.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10
Uname: Linux 2.6.35-25-generic x86_64
AlsaVersion:
Advanced Linux Sound Architecture Driver Version 1.0.23.
Compiled on Jan 31 2011 for kernel 2.6.35-25-generic (SMP).
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: revive 2312 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf0a00000 irq 47'
Mixer name : 'Intel Cantiga HDMI'
Components : 'HDA:10ec0888,10250142,00100202
HDA:11c11040,10250142,00100200 HDA:80862802,80860101,00100000'
Controls : 40
Simple ctrls : 22
Date: Wed Feb 2 14:40:40 2011
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
PackageArchitecture: all
ProcEnviron:
LANG=en_IE.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
dmi.bios.date: 09/17/2008
dmi.bios.vendor: Acer
dmi.bios.version: v0.3509
dmi.board.name: Mammoth
dmi.board.vendor: Acer, Inc.
dmi.board.version: Not Applicable
dmi.chassis.type: 1
dmi.chassis.vendor: Acer, Inc.
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAcer:bvrv0.3509:bd09/17/2008:svnAcer,inc.:pnAspire7730:pvrNotApplicable:rvnAcer,Inc.:rnMammoth:rvrNotApplicable:cvnAcer,Inc.:ct1:cvrN/A:
dmi.product.name: Aspire 7730
dmi.product.version: Not Applicable
dmi.sys.vendor: Acer, inc.
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