Public bug reported:
This problem keeps recurring. Not sure if I installed some update in
between. The headphones output goes out.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.16.0-71.92~14.04.1-generic 3.16.7-ckt27
Uname: Linux 3.16.0-71-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: ramanathan 1582 F...m pulseaudio
/dev/snd/controlC0: ramanathan 1582 F.... pulseaudio
CurrentDesktop: Unity
Date: Mon May 16 13:20:17 2016
InstallationDate: Installed on 2015-03-19 (423 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: ramanathan 1582 F...m pulseaudio
/dev/snd/controlC0: ramanathan 1582 F.... pulseaudio
Symptom_Jack: Black Headphone Out, Left
Symptom_Type: No sound at all
Title: [X551CA, Realtek ALC270, Black Headphone Out, Left] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/23/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: X551CA.207
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: X551CA
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrX551CA.207:bd10/23/2013:svnASUSTeKCOMPUTERINC.:pnX551CA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX551CA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: X551CA
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2016-01-26T22:21:13.321665
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1582359
Title:
[X551CA, Realtek ALC270, Black Headphone Out, Left] No sound at all
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