Public bug reported:
On Ubuntu 12.10, sound works fine fter initial boot, but after suspend-
resume, sound stops working. I'm using a Dell Studio 1458 laptop with
the following audio card (according to lspci): Audio device: Intel
Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05).
Here are the tests results with kernels in mainline:
-with all Quantal kernel 3.5 and below, sound works fine (including
3.5.0-030500)
-with Quantal kernel 3.6.2 kernel, sound is not working
Otherwise, I've tested the regular (as provided in official repository)
3.5.0-17 kernel with KDE (so nothing from Unity/Gnome loaded), and the
problem is also occurring.
WORKAROUND: disabling auto-mute in alsamixer
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: alsa-base 1.0.25+dfsg-0ubuntu3
Uname: Linux 3.5.6-030506-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ml 2229 F.... pulseaudio
Date: Fri Nov 9 07:22:51 2012
InstallationDate: Installed on 2012-02-12 (270 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Audio interne - HDA Intel
Symptom_Jack: Speaker, Internal
Symptom_Type: Sound works for a while, then breaks
Title: [Studio 1458, Realtek ALC665, Speaker, Internal] fails after a while
UpgradeStatus: Upgraded to quantal on 2012-09-28 (41 days ago)
dmi.bios.date: 05/12/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 056DH9
dmi.board.vendor: Dell Inc.
dmi.board.version: A07
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A07
dmi.modalias:
dmi:bvnDellInc.:bvrA07:bd05/12/2011:svnDellInc.:pnStudio1458:pvrA07:rvnDellInc.:rn056DH9:rvrA07:cvnDellInc.:ct8:cvrA07:
dmi.product.name: Studio 1458
dmi.product.version: A07
dmi.sys.vendor: Dell Inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug quantal running-unity
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https://bugs.launchpad.net/bugs/1076980
Title:
[Studio 1458, Realtek ALC665, Speaker, Internal] fails after a while
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