Comment 0 for bug 1037763

This is a new Asus EeePc with Ubuntu preinstalled. The sound works out of the box, but after an initial update the internal speakers stop working. Audio via the headphone jack still works. A factory reset of the system (which reinstalls Ubuntu from a recovery partition) restores the sound but the next update breaks it again. Packages for pulseaudio and alsa are in the update, but it's not clear what is causing the problem.

I ran "ubuntu-bug audio" according to these instructions (https://wiki.ubuntu.com/DebuggingSoundProblems) to file this bug.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24
Uname: Linux 3.2.0-29-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu12
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: HDA Generic [HDA Generic]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: tgraham 1749 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xdff00000 irq 46'
   Mixer name : 'Intel CedarTrail HDMI'
   Components : 'HDA:10ec0269,10438516,00100100 HDA:80862880,80860101,00100000'
   Controls : 10
   Simple ctrls : 4
Date: Thu Aug 16 21:34:37 2012
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-yanshui-precise-i386-20120615-0
InstallationMedia: Ubuntu 12.04 "Precise" - Failed to find casper uuid.conf in 'binary/casper/initrd.img-3.2.0-25-generic-pae.old-dkms' LIVE Binary 20120615-03:22
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_DevicesInUse:
 1749 tgraham F.... pulseaudio
     PID ACCESS COMMAND
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [X101CH, Realtek ID 269, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/30/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X101CH.1101
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: X101CH
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: x.x
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX101CH.1101:bd05/30/2012:svnASUSTeKCOMPUTERINC.:pnX101CH:pvrx.x:rvnASUSTeKCOMPUTERINC.:rnX101CH:rvrx.xx:cvnASUSTeKCOMPUTERINC.:ct10:cvrx.x:
dmi.product.name: X101CH
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK COMPUTER INC.