Public bug reported:
5.1 surround sound doesn't work after upgradin to Maveric. Stereo sound
still works.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: topias 2028 F.... pulseaudio
/dev/snd/controlC1: topias 2028 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xc0000000 irq 19'
Mixer name : 'Nvidia MCP77/78 HDMI'
Components : 'HDA:14f15051,103c360a,00100000
HDA:10de0002,10de0101,00100000'
Controls : 18
Simple ctrls : 8
Card1.Amixer.info:
Card hw:1 'Audio'/'USB Audio at usb-0000:00:04.1-4.2, full speed'
Mixer name : 'USB Mixer'
Components : 'USB0c45:1677'
Controls : 12
Simple ctrls : 5
Date: Mon Jan 17 21:26:11 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
LANG=fi_FI.utf8
SHELL=/bin/bash
SelectedCard: 1 Audio USB-Audio - USB Audio
SourcePackage: alsa-driver
Symptom: audio
Title: [USB-Audio - USB Audio] Surround problem
dmi.bios.date: 08/18/2009
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.54
dmi.board.name: 360A
dmi.board.vendor: Wistron
dmi.board.version: 08.60
dmi.chassis.type: 10
dmi.chassis.vendor: Wistron
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.54:bd08/18/2009:svnHewlett-Packard:pnCompaqPresarioCQ50NotebookPC:pvrF.54:rvnWistron:rn360A:rvr08.60:cvnWistron:ct10:cvrN/A:
dmi.product.name: Compaq Presario CQ50 Notebook PC
dmi.product.version: F.54
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/704107
Title:
[USB-Audio - USB Audio] Surround problem
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