Public bug reported:
After upgrading to 10.10 amd64 and installing latest kernel audio
modules from Ubuntu Audio Dev PPA left internal speaker on my Sony Vaio
F11 laptop [with ALC275 sound chip] doesn't work anymore. Changing
volume levels or muting / unmuting doesn't help.
Tried uninstalling dev modules and replacing them with originally shipped
backport modules but speaker was still dead.
Earphones output has both channels working fine.
Currently I'm running the following version of
linux-alsa-driver-modules-2.6.35-22-generic: 2.6.35-22.201010191600.
Alsa packages are all original from official Ubuntu ppa: 1.0.23 (libasound2
version: 1.0.23-1ubuntu2.1).
If any additional info is required --- don't hesitate to ask for.
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 20 2010 for kernel 2.6.35-22-generic (SMP).
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC275 Analog [ALC275 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: xxx 2012 F.... pulseaudio
/dev/snd/pcmC0D0p: xxx 2012 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xe8e00000 irq 52'
Mixer name : 'Realtek ALC275'
Components : 'HDA:10ec0275,104d3f00,00100005'
Controls : 18
Simple ctrls : 10
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xe3080000 irq 16'
Mixer name : 'Nvidia GPU 0a HDMI/DP'
Components : 'HDA:10de000a,104d3f00,00100100'
Controls : 16
Simple ctrls : 4
CheckboxSubmission: 8f5fe281d51a5fdaffe38537a4d1e9ae
CheckboxSystem: b633b4f40868d491c2ae5b50030ce6f3
Date: Wed Oct 20 16:05:42 2010
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=
PATH=(custom, no user)
LANG=en_US.utf8
SHELL=/bin/bash
SourcePackage: alsa-driver
dmi.bios.date: 12/07/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: R0250Y6
dmi.board.asset.tag: N/A
dmi.board.name: VAIO
dmi.board.vendor: Sony Corporation
dmi.board.version: N/A
dmi.chassis.asset.tag: N/A
dmi.chassis.type: 10
dmi.chassis.vendor: Sony Corporation
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrR0250Y6:bd12/07/2009:svnSonyCorporation:pnVPCF119FX:pvrA222GGY9:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
dmi.product.name: VPCF119FX
dmi.product.version: A222GGY9
dmi.sys.vendor: Sony Corporation
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: alc275 alsa amd64 apport-bug maverick sony
--
Left internal speaker not woring in Maverick [Sony Vaio F11 / ALC275]
https://bugs.launchpad.net/bugs/663887
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