Public bug reported:
Ubuntu has been behaving funnily after not shutting down the laptop for
days (less than a week), but only sleeping or hibernating. One of the
problems was that the audio output suddenly disappeared.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic-pae 2.6.38.8
Uname: Linux 2.6.38-11-generic-pae i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: abdullah 1995 F.... pulseaudio
/dev/snd/pcmC0D0p: abdullah 1995 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfc220000 irq 48'
Mixer name : 'Conexant CX20561 (Hermosa)'
Components : 'HDA:14f15051,17aa2100,00100000
HDA:14f12c06,17aa2122,00100000'
Controls : 16
Simple ctrls : 8
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
7VHT15WW-1.05'
Mixer name : 'ThinkPad EC 7VHT15WW-1.05'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Tue Nov 22 21:15:20 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Internal Audio - HDA Intel
Symptom_DevicesInUse: 1995 1995/dev/snd/pcmC0D0p: abdullah F...m pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [4061AC9, Conexant CX20561 (Hermosa), Speaker, Internal] No sound at all
UpgradeStatus: Upgraded to natty on 2011-10-22 (31 days ago)
dmi.bios.date: 11/24/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 6FET81WW (3.11 )
dmi.board.name: 4061AC9
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr6FET81WW(3.11):bd11/24/2009:svnLENOVO:pn4061AC9:pvrThinkPadW500:rvnLENOVO:rn4061AC9:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4061AC9
dmi.product.version: ThinkPad W500
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 natty
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https://bugs.launchpad.net/bugs/893655
Title:
No audio output after NOT shutting down laptop for days, but only
sleeping or hibernating at night
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