Public bug reported:
I'm using 10.04 which moments ago did a huge update with the automated update
manager.
Now no sound coming out of headphones (checked that the headphones work with my
iphone).
The Pulse Audio Control program shows which applications are making sounds and
all looks good.
No volumn knob is muted or down to 0% or anything like that.
I'm running on a MacBook Pro 7,1 and I can use the F11 and F12 buttons
to change the volume like before (with a visual indicator) but still no
sound coming out.
The built-in speakers have never worked on this MacBook Pro unless I
boot into OSX.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: alsa-base 1.0.22.1+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-28.55-generic 2.6.32.27+drm33.12
Uname: Linux 2.6.32-28-generic i686
NonfreeKernelModules: nvidia wl
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: peterbe 1770 F.... pulseaudio
/dev/snd/pcmC0D0p: peterbe 1770 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xc9c00000 irq 22'
Mixer name : 'Cirrus Logic CS4206'
Components : 'HDA:10134206,106b4700,00100301'
Controls : 19
Simple ctrls : 11
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xc1080000 irq 16'
Mixer name : 'Nvidia ID a'
Components : 'HDA:10de000a,10de0101,00100100'
Controls : 0
Simple ctrls : 0
Card1.Amixer.values:
CheckboxSubmission: 81b55286d3e97f60821a8186e5ed4318
CheckboxSystem: 7e42599bda39ea7ff8b528272b6ef52b
Date: Fri Jan 28 14:58:27 2011
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
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: [Cirrus Logic CS4206] ALSA test tone not correctly played back
dmi.bios.date: 07/26/10
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP61.88Z.0057.B0C.1007261552
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-F22589C8
dmi.board.vendor: Apple Inc.
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F22589C8
dmi.modalias:
dmi:bvnAppleInc.:bvrMBP61.88Z.0057.B0C.1007261552:bd07/26/10:svnAppleInc.:pnMacBookPro6,1:pvr1.0:rvnAppleInc.:rnMac-F22589C8:rvr:cvnAppleInc.:ct10:cvrMac-F22589C8:
dmi.product.name: MacBookPro6,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 lucid
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https://bugs.launchpad.net/bugs/709288
Title:
no sound coming to headphones or speakers (volume checked)
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