Public bug reported:
I'm using a ThinkPad X230. Ever since the upgrade to 16.04 Ubuntu GNOME,
I will have intermittent sound failure both through internal speakers
and headphones. Everything will be fine, I won't play anything for a
while, and when I try to play something new, there is no audio.
I've confirmed that the audio is not muted. I tried "killall pulseaudio;
rm -r ~/.config/pulse/* ; rm -r ~/.pulse*" then "pulseaudio -k" and
while it restored sound when my headphones are plugged it, the internal
speakers are not restored.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: anon 15846 F.... pulseaudio
CurrentDesktop: GNOME
Date: Wed Aug 24 12:58:26 2016
InstallationDate: Installed on 2016-04-24 (122 days ago)
InstallationMedia: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64
(20160421)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_Type: Sound works for a while, then breaks
Title: [2306CTO, Realtek ALC269VC, Speaker, Internal] fails after a while
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/17/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: G2ETA5WW (2.65 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2306CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrG2ETA5WW(2.65):bd09/17/2015:svnLENOVO:pn2306CTO:pvrThinkPadX230:rvnLENOVO:rn2306CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2306CTO
dmi.product.version: ThinkPad X230
dmi.sys.vendor: LENOVO
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2016-06-18T13:10:44.472710
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1616573
Title:
[2306CTO, Realtek ALC269VC, Speaker, Internal] fails after a while
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