Public bug reported:
after a normal update, sound gives error of "Failed to set the selected
audio output device". This error is in the audio/video system settings.
pulseaudio does not seem to be running, and won't start with pulseaudio
--start command.
More than happy to provide additional info if needed. This is Ubuntu
14.04.2 LTS, fresh install a few months ago, audio was working as
expected up until update to 3.13.0-53 kernel. Reverting the kernel with
grub back to earlier ones did not restore the audio.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: pulseaudio 1:4.0-0ubuntu11.1
ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
Uname: Linux 3.13.0-53-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: leperas 1954 F.... kded4
leperas 2062 F.... kmix
CurrentDesktop: KDE
Date: Mon May 25 23:19:38 2015
InstallationDate: Installed on 2015-03-14 (73 days ago)
InstallationMedia: Kubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64
(20140722.2)
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
SourcePackage: pulseaudio
Symptom: audio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/15/2013
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V2.22
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: MA40_HX
dmi.board.vendor: Acer
dmi.board.version: Type2 - A01 Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV2.22:bd04/15/2013:svnAcer:pnAspireM5-481PT:pvrV2.22:rvnAcer:rnMA40_HX:rvrType2-A01BoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: Aspire M5-481PT
dmi.product.version: V2.22
dmi.sys.vendor: Acer
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
** Attachment added: "pulseaudio_verbose_logs.tar"
https://bugs.launchpad.net/bugs/1458722/+attachment/4404434/+files/pulseaudio_verbose_logs.tar
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https://bugs.launchpad.net/bugs/1458722
Title:
after update, no sound
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