Public bug reported:
When I'm running two program that have a sound output (e.g. a youtube
video and VLC), I lose audio in one program off and on. Here is what
happens: I'm watching the youtube clip, I pause it and switch to VLC and
VLC loses sound. The sound indicator does not show muting. The
Applications tab under Sound Settings does not show the VLC. If I stop
and restart VLC the audio starts working again. This does not happen
every time but regularily enough for it to be a problem.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC665 Analog [ALC665 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: saad 3003 F.... pulseaudio
/dev/snd/pcmC0D0p: saad 3003 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf1c00000 irq 54'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0665,1028050e,00100003
HDA:80862805,80860101,00100000'
Controls : 31
Simple ctrls : 13
Date: Mon Apr 30 15:06:48 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120425)
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_PulsePlaybackTest: PulseAudio playback test successful
Symptom_Type: Only some of outputs are working
Title: [Dell System XPS L502X, Realtek ALC665, Speaker, Internal] Playback
problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/25/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0NJT03
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA04:bd03/25/2011:svnDellInc.:pnDellSystemXPSL502X:pvr:rvnDellInc.:rn0NJT03:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System XPS L502X
dmi.sys.vendor: Dell Inc.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/991853
Title:
[Dell System XPS L502X, Realtek ALC665, Speaker, Internal]
Unpredictable loss of audio when two apps are calling Pulseaudio
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