Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1322854
Title:
[4389W1B, Conexant CX20585, Speaker, Internal] Sound works for a
while, then breaks
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
Today sound from speakers suddenly stopped while I was playing music.
The problem persists reboot. Headphones work fine. When I dual-boot
Windows on the same machine, there is no problem with the speakers.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ke 2142 F.... pulseaudio
/dev/snd/controlC0: ke 2142 F.... pulseaudio
ke 2726 F.... alsamixer
/dev/snd/pcmC0D0p: ke 2142 F...m pulseaudio
CurrentDesktop: Unity
Date: Sat May 24 16:22:22 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-05-16 (7 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:MID failed
Symptom_Card: Built-in Audio - HDA Intel MID
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ke 2142 F.... pulseaudio
/dev/snd/controlC0: ke 2142 F.... pulseaudio
ke 2726 F.... alsamixer
/dev/snd/pcmC0D0p: ke 2142 F...m pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [4389W1B, Conexant CX20585, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/03/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 6NET84WW (1.45 )
dmi.board.name: 4389W1B
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:bvr6NET84WW(1.45):bd10/03/2012:svnLENOVO:pn4389W1B:pvrThinkPadW510:rvnLENOVO:rn4389W1B:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4389W1B
dmi.product.version: ThinkPad W510
dmi.sys.vendor: LENOVO
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