** Changed in: alsa-driver (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1264213
Title:
PCI/internal sound card not detected
Status in “alsa-driver” package in Ubuntu:
Fix Released
Bug description:
Every time my system goes through a hard shutdown (power outage,
forced reboot), my audio stops working on reboot. Usually I've been
able to resuscitate the audio by reinstalling all the audio drivers,
as suggested on the audio troubleshooting page for the Ubuntu
community. The last time, however, this did not work and I had to
install the latest ppa audio, after which audio came back. Now,
nothing seems to work. I know the sound card and audio systems are
fine--the machine is a dual boot and audio works without problems with
Windows running. Ubuntu 'sees' the sound card, at least according to
sysinfo. But, my sound system settings shows "Dummy Output," no
microphone, and no hardware. I'm guessing that something left over
from the hard reboot is blocking the system's access to my audio card,
but can't seem to find anything online with suggestions for a fix.
I'd say the problem is a bug because I'd hope Ubuntu would be robust
to an occasional hard shutdown.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.2.0-57.87-generic 3.2.52
Uname: Linux 3.2.0-57-generic x86_64
AlsaDevices:
total 0
crw-rw---T+ 1 root audio 116, 1 Dec 25 20:59 seq
crw-rw---T+ 1 root audio 116, 33 Dec 25 20:59 timer
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices: aplay: device_list:252: no soundcards found...
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
ArecordDevices: arecord: device_list:252: no soundcards found...
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Wed Dec 25 21:38:09 2013
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/23/2012
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.1B
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 17FB
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 10.5A
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.1B:bd10/23/2012:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr058D110002204720000622100:rvnHewlett-Packard:rn17FB:rvr10.5A:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 058D110002204720000622100
dmi.sys.vendor: Hewlett-Packard
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2013-12-25T20:57:56.271191
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