Public bug reported:
I had 10.04 installed on a partition, sound card detected and all worked
fine. I installed 10.10 on another partition (doesnt changed the 10.04
partition) and system sound was working (did not tested any other
application for sound). System sound was working for a few boot and then
one time i rebooted and ubuntu did not find my sound card. I went back
booting my partition with 10.04 and same problem over there.
The way i knew system sound was working on 10.10 at the start is that
when the login screen appeared it maked a sound.
Now I cant even see any sound card in lshw, lspci,
system->preferences->sound->hardware.
When sound was working the only thing i can remember of that was about
my sound card was that I had "HDA nVidia CONEXANT Analog, HDA nVidia
CONEXANT Digital" and other devices that I could choose with phonon and
also I think that thoses devices were in
system->preferences->sound->hardware.
I searched everywhere and could not find any solution. I try "sudo apt-get
purge linux-sound-base alsa-base alsa-utils; sudo apt-get install
linux-sound-base alsa-base alsa-utils" and it did not fix the problem.
In system->administration->user and groups->advance settings->user
privileges->use audio devices is not set.
I can provide any information you ask for
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-29.51-generic 2.6.35.12
Uname: Linux 2.6.35-29-generic x86_64
NonfreeKernelModules: nvidia
AlsaDevices:
total 0
crw-rw----+ 1 root audio 116, 3 2011-04-24 23:58 seq
crw-rw----+ 1 root audio 116, 2 2011-04-24 23:58 timer
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
AplayDevices: aplay: device_list:235: no soundcards found...
Architecture: amd64
ArecordDevices: arecord: device_list:235: no soundcards found...
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
Date: Mon Apr 25 00:01:09 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
PciMultimedia:
ProcEnviron:
LANG=en_CA.utf8
SHELL=/bin/bash
SourcePackage: alsa-driver
dmi.bios.date: 04/24/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.30
dmi.board.name: 30CF
dmi.board.vendor: Quanta
dmi.board.version: 85.26
dmi.chassis.type: 10
dmi.chassis.vendor: Quanta
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.30:bd04/24/2008:svnHewlett-Packard:pnHPPaviliondv6700NotebookPC:pvrRev1:rvnQuanta:rn30CF:rvr85.26:cvnQuanta:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv6700 Notebook PC
dmi.product.version: Rev 1
dmi.sys.vendor: Hewlett-Packard
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
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https://bugs.launchpad.net/bugs/770106
Title:
sound card not detected anymore
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