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** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/634659
Title:
Soundcard not detected - when monitor is detached - only as root
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
sound works fine when my monitor was attached. I removed the monitor to put
it on another machine.
I ssh'd into this machine and sound stopped working. mplayer would not work.
Sound only works if I run mplayer with sudo.
same goes for any sound application. alsamixer will not work as a user.
only sudo alsamixer
$ alsamixer
cannot open mixer: No such file or directory
$ sudo alsamixer
$ aplay -l
aplay: device_list:223: no soundcards found...
$ sudo aplay -l
**** List of PLAYBACK Hardware Devices ****
Home directory /home/papa not ours.
card 0: NVidia [HDA NVidia], device 0: ALC888 Analog [ALC888 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC888 Digital [ALC888 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
papa@game:~$
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-24.42-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices: aplay: device_list:223: no soundcards found...
Architecture: amd64
ArecordDevices: arecord: device_list:223: no soundcards found...
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp',
'/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/hwC0D3',
'/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D1p',
'/dev/snd/pcmC0D2c', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer',
'/dev/sequencer2', '/dev/sequencer'] failed with exit code 1:
Date: Thu Sep 9 23:10:20 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
PackageArchitecture: all
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Title: Soundcard not detected
dmi.bios.date: 07/31/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: R01-A3
dmi.board.name: WMCP78M
dmi.board.vendor: Acer
dmi.chassis.asset.tag: 0000000000000000000000
dmi.chassis.type: 3
dmi.chassis.vendor: Acer
dmi.chassis.version: AX1200
dmi.modalias:
dmi:bvnPhoenixTechnologies,LTD:bvrR01-A3:bd07/31/2008:svnAcer:pnAspireX1200:pvrAX1200:rvnAcer:rnWMCP78M:rvr:cvnAcer:ct3:cvrAX1200:
dmi.product.name: Aspire X1200
dmi.product.version: AX1200
dmi.sys.vendor: Acer
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