Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pulseaudio (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/874927
Title:
changing the volume in the sound preferences mess up volumes in
alsamixer for multi-channel card
Status in “pulseaudio” package in Ubuntu:
Confirmed
Bug description:
My laptop's sound card needs a little configuration of the channels volumes
in alsamixer to provide good sound.
After a fine tune in alsamixer, the sound is great, but if I change the
volume in gnome's sound preferences it does not only affect the master volume
in alsamixer, it also affects the volumes of PCM, Front, Surround, Center, LFE
and Side channels in an erratic manner (the most of the times it puts all the
volumes to the max or almost). The master volume moves just fine.
I hope my explanation is good enough to understand the problem...
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: alsa-base 1.0.24+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: winnie 1520 F.... pulseaudio
winnie 1979 F.... alsamixer
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfebf8000 irq 47'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,17aa3d7c,00100001
HDA:10573055,17aa3d7d,00100700'
Controls : 39
Simple ctrls : 23
Date: Sat Oct 15 11:29:40 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Audio interne - HDA Intel
Symptom_Jack: Speaker, Internal
Symptom_Type: Volume slider, or mixer problems
Title: [INVALID, Realtek ALC888, Speaker, Internal] volume slider problem
UpgradeStatus: Upgraded to oneiric on 2011-10-14 (1 days ago)
dmi.bios.date: 03/31/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 06CN29WW
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: SPEEDY
dmi.board.vendor: LENOVO
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnLENOVO:bvr06CN29WW:bd03/31/2008:svnLENOVO:pnINVALID:pvrLenovoIdeaPadY510:rvnLENOVO:rnSPEEDY:rvr1.0:cvnLENOVO:ct10:cvr1.0:
dmi.product.name: INVALID
dmi.product.version: Lenovo IdeaPad Y510
dmi.sys.vendor: LENOVO
mtime.conffile..etc.modprobe.d.alsa.base.conf: 2011-10-14T16:11:31.389261
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