Public bug reported:
For a few years sound did not work on this laptop. Sometime during the
13.10 release cycle the problem was fixed in the kernel. Now in the
14.04 after a kernel update sound no longer works. I'm not 100% sure
which kernel update broke sound. I will try to install some of the older
kernels and track it down.
Alsa and PulseAudio both show that the sound is turned all the way up,
but no sound plays and the sound tests fail to make any noise too.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-12.32-generic 3.13.4
Uname: Linux 3.13.0-12-generic i686
ApportVersion: 2.13.2-0ubuntu5
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: david 3312 F.... pulseaudio
CurrentDesktop: LXDE
Date: Tue Feb 25 01:01:28 2014
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Intel failed
Symptom_Card: Built-in Audio - HDA Intel
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lightdm 1907 F.... pulseaudio
david 3312 F.... pulseaudio
/dev/snd/seq: timidity 1585 F.... timidity
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [Inspiron 1420, SigmaTel STAC9228, Speaker, Internal] No sound at all
UpgradeStatus: Upgraded to trusty on 2013-12-29 (58 days ago)
dmi.bios.date: 12/19/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
dmi.board.name: 0DT492
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA10:bd12/19/2008:svnDellInc.:pnInspiron1420:pvr:rvnDellInc.:rn0DT492:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Inspiron 1420
dmi.sys.vendor: Dell Inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 trusty
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https://bugs.launchpad.net/bugs/1284466
Title:
[Inspiron 1420, SigmaTel STAC9228, Speaker, Internal] No sound at all
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