Public bug reported:
Steps to reproduce:
1. Boot to ubuntu.
2. Change volume up and down using Fn volume keys several times.
3. Sound start shuttering and only reboot helps.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-46.79-generic 3.13.11-ckt15
Uname: Linux 3.13.0-46-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: boomer 2115 F.... pulseaudio
/dev/snd/controlC0: boomer 2115 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Mar 15 12:24:42 2015
InstallationDate: Installed on 2015-02-12 (30 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Встроенное аудио - HD-Audio Generic
Symptom_Jack: Speaker, Internal
Symptom_Type: Sound works for a while, then breaks
Title: [80E3, Conexant CX20751/2, Speaker, Internal] fails after a while
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/09/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: A2CN24WW(V1.06)
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lancer 5B2
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo G50-45
dmi.modalias:
dmi:bvnLENOVO:bvrA2CN24WW(V1.06):bd07/09/2014:svnLENOVO:pn80E3:pvrLenovoG50-45:rvnLENOVO:rnLancer5B2:rvrNotDefined:cvnLENOVO:ct10:cvrLenovoG50-45:
dmi.product.name: 80E3
dmi.product.version: Lenovo G50-45
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug snd-hda-intel trusty
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https://bugs.launchpad.net/bugs/1432302
Title:
[80E3, Conexant CX20751/2, Speaker, Internal] fails after a while
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