The firmware theory is a common one. Some laptops have the same problem.
But also...
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** Changed in: pulseaudio (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/586540
Title:
[CA0106/AudigyLS] sound card does not work unless rebooted from
windows
Status in pulseaudio package in Ubuntu:
Incomplete
Bug description:
Binary package hint: pulseaudio
My machine has two sound cards, the first one is the onboard card and the
second card (Creative Sound Blaster 5.1 VX)
Its detected as "CA0106 Sound Blaster" by pulseaudio. This second card does
not work (hissing sound when playing any audio) if I boot directly into ubuntu
but works fine if I boot into windows first and then reboot and go to ubuntu.
My friend says the card probably uses some firmware which ubuntu is
unable to initialize. Hence it works fine when I reboot from windows
xp.
Let me know if you need any more info.
Would really appreciate it if this is fixed, I hate going into windows
just to get sound working on ubuntu.
Thanks,
Relson.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: pulseaudio 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14
ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-21-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: relson 1357 F pulseaudio
/dev/snd/controlC0: relson 1357 F pulseaudio
Card0.Amixer.info:
Card hw:0 'CA0106'/'AudigyLS [Unknown] at 0x1040 irq 21'
Mixer name : 'CA0106'
Components : ''
Controls : 25
Simple ctrls : 13
Card1.Amixer.info:
Card hw:1 'Intel'/'HDA Intel at 0x5310 irq 22'
Mixer name : 'SigmaTel STAC9227'
Components : 'HDA:83847618,8086a201,00100201'
Controls : 37
Simple ctrls : 24
CurrentDmesg: [ 23.232008] eth0: no IPv6 routers present
Date: Fri May 28 01:43:12 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
ProcEnviron:
LANG=en_IN
SHELL=/bin/bash
SourcePackage: pulseaudio
dmi.bios.date: 09/11/2006
dmi.bios.vendor: Intel Corp.
dmi.bios.version: TS94610J.86A.0047.2006.0911.0110
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: D946GZIS
dmi.board.vendor: Intel Corporation
dmi.board.version: AAD66165-302
dmi.chassis.type: 2
dmi.modalias:
dmi:bvnIntelCorp.:bvrTS94610J.86A.0047.2006.0911.0110:bd09/11/2006:svn:pn:pvr:rvnIntelCorporation:rnD946GZIS:rvrAAD66165-302:cvn:ct2:cvr:
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