Public bug reported:
Binary package hint: pulseaudio
I have a strange problem. I have just upgraded from Jaunty to Karmic
Alpha and my sound doesn't work anymore. My computer has multiple audio
cards (one on the mother board, an ALC888) and another one on the
graphics card (ATI 4850)
However, when I try to run alsamixer, neither card is picked up.
However, if I specify alsamixer -c0, which should the default behaviour,
I get the right card configuration. The sound works fine with
appropriate output selected on ALSA.
My pulseaudio however, can't see any sound card (i.e. the hardware
section on System->Preferences->Sound is empty and on pulse audio volume
control, only dummy output is sepecified. Configuration tab is again
empty) and hence I am not able to play any sound through that. I somehow
think the alsamixer and pulseaudio problems are interrelated. I have
also played around with the order of card in alsa-base.conf but to no
avail.
I am attaching my alsa-base config in a seperate bug and marking it as a
duplicated of this one.
a...@ubuntu:~$aplay -L
surround40:CARD=SB,DEV=0
HDA ATI SB, ALC888 Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
HDA ATI SB, ALC888 Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
HDA ATI SB, ALC888 Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
HDA ATI SB, ALC888 Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
HDA ATI SB, ALC888 Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
a...@ubuntu:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC888 Analog [ALC888 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 1: ALC888 Digital [ALC888 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 3: ATI HDMI [ATI HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
a...@ubuntu:~$ alsamixer
ALSA lib ctl_pulse.c:690:(_snd_ctl_pulse_open) Unknown field slave
alsamixer: function snd_ctl_open failed for default: Invalid argument
ProblemType: Bug
Architecture: i386
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp',
'/dev/snd/controlC1', '/dev/snd/hwC1D0', '/dev/snd/pcmC1D3p',
'/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/pcmC0D2c',
'/dev/snd/pcmC0D1c', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D1p',
'/dev/snd/pcmC0D0p', '/dev/snd/hwC0D0', '/dev/snd/seq', '/dev/snd/timer',
'/dev/sequencer', '/dev/sequencer2'] failed with exit code 1:
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,1458e601,00100001'
Controls : 39
Simple ctrls : 21
Card1.Amixer.info:
Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfdffc000 irq 19'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100100'
Controls : 4
Simple ctrls : 1
Card1.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Date: Sat Sep 26 03:22:33 2009
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: fglrx
Package: pulseaudio 1:0.9.18-0ubuntu3
ProcEnviron:
PATH=(custom, no user)
LANG=en_GB.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-10.35-generic
SourcePackage: pulseaudio
Uname: Linux 2.6.31-10-generic i686
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386
--
Pulseaudio with multiple soundcards
https://bugs.launchpad.net/bugs/437008
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