Public bug reported:
If I have headphones plugged in to the front jack of my desktop computer, while
the speakers are plugged into the back, if I try to control the volume, it
modifies the volume of BOTH outputs, regardless of settings I change in sound
preferences.
Basically, the 'jack sense' is broken, and the OS does not differentiate
between the headphones and speakers.
I'm using linux kernel 2.6.35 (the one that's included with Maverick Meerkat
10.10, 64-bit), and alsa-base version 1.0.23.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: alsa-base 1.0.23+dfsg-1ubuntu4
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion:
Advanced Linux Sound Architecture Driver Version 1.0.23.
Compiled on Oct 31 2010 for kernel 2.6.35-22-generic (SMP).
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: oren 1757 F.... pulseaudio
/dev/snd/pcmC0D0p: oren 1757 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,1458a002,00100001'
Controls : 35
Simple ctrls : 19
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xfbffc000 irq 19'
Mixer name : 'Nvidia GPU 12 HDMI/DP'
Components : 'HDA:10de0012,10de0101,00100100'
Controls : 16
Simple ctrls : 4
Date: Sat Nov 6 18:00:32 2010
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
SelectedCard: 0 SB HDA-Intel - HDA ATI SB
SourcePackage: alsa-driver
Symptom: audio
Title: [Realtek ALC888] Playback problem
dmi.bios.date: 05/14/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F3
dmi.board.name: GA-770T-USB3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF3:bd05/14/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-770T-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-770T-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-770T-USB3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
--
[Realtek ALC888] Volume controls both headphones and speakers simultaneously
https://bugs.launchpad.net/bugs/672003
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