Public bug reported:
Recently upgraded from 11.04 to 11.10, 64-bit. I have an Acer Timeline
5810 TZ laptop with default/on-board sound card. It came out of the
upgrade with the sound card hardware not being identified by the sound
settings control app. There was the report of the card being identified
on boot-up in dmesg, but no errors or further information was found.
lspci would show the card when booted. I was able to clear it up after
taking these steps, so I'm not sure if all are necessary. I deleted
~/.pulse (on its own this did not resolve the problem). The I rebooted.
Then I did a reinstall of packages: alsa-base, alsa-utils, esound-
common, pulseaudio and pulseaudio-utils. After another reboot then the
sound card showed up.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: alsa-base 1.0.24+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: buchs 2195 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd4400000 irq 43'
Mixer name : 'Intel Cantiga HDMI'
Components : 'HDA:10ec0269,1025022b,00100004
HDA:80862802,80860101,00100000'
Controls : 21
Simple ctrls : 10
Date: Sun Oct 16 21:52:59 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel successful
Symptom_Card: Internal Audio - HDA Intel
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: None of the above
Title: [HDA-Intel - HDA Intel, playback] Playback problem
UpgradeStatus: Upgraded to oneiric on 2011-10-15 (1 days ago)
dmi.bios.date: 04/13/2010
dmi.bios.vendor: INSYDE
dmi.bios.version: V2.35
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Aspire 5810T
dmi.board.vendor: Acer
dmi.board.version: Base Board Version
dmi.chassis.type: 1
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnINSYDE:bvrV2.35:bd04/13/2010:svnAcer:pnAspire5810T:pvrV2.35:rvnAcer:rnAspire5810T:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
dmi.product.name: Aspire 5810T
dmi.product.version: V2.35
dmi.sys.vendor: Acer
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric running-unity
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https://bugs.launchpad.net/bugs/876174
Title:
Sound card vanishes on upgrade from Natty to Oneiric
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