Public bug reported:
I have sound but only seemingly on two speakers.
I have a Phillips 5.1 Surround system which worked fine on 10.04.
On 10.10, if I configure the Sound Preferences for 5.1 + Stereo Mic the
Front Left and Right sound emanates from the sub woofer only. Front
Centre and Rear Right make no sound, and the sub-woofer comes out of the
woofer.
If I configure for 7.1 + Stereo in, the Front left & right again sound
from the woofer, front centre seems to work properly. Rear left and the
sub woofer both come from the woofer and rear right is silent.
With Analogue Stereo, I get sound from the centre speaker (when clicking
the left speaker test) and from the woofer when clicking on the right
speaker.
Skype audio is also totally broken. It was fine in 10.04 but now I hear
no noise at all from skype.
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.
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: alord 2336 F.... pulseaudio
/dev/snd/pcmC0D0p: alord 2336 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf95f8000 irq 22'
Mixer name : 'Realtek ALC888'
Components : 'HDA:10ec0888,18491e01,00100001'
Controls : 37
Simple ctrls : 21
Date: Fri Nov 12 12:55:57 2010
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, user)
LANG=en_GB.utf8
SHELL=/bin/bash
SelectedCard: 0 Intel HDA-Intel - HDA Intel
SourcePackage: alsa-driver
Symptom: audio
Title: [Realtek ALC888] ALSA test tone not correctly played back
dmi.bios.date: 09/03/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.50
dmi.board.name: P43R1600Twins
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd09/03/2008:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvn:rnP43R1600Twins:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
--
[Realtek ALC888] ALSA test tone not correctly played back
https://bugs.launchpad.net/bugs/674489
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