[Bug 1012395] [NEW] Alsa-plugin repeatedly opens and double sound

[loicjacquardtest]

Public bug reported:

On some Youtube videos, Alsa-plugin firefox opens multiple times and the
sound is shifted on the video.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: firefox 13.0+build1-0ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog]
   Subdevices: 0/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  loic       2627 F.... pulseaudio
 /dev/snd/controlC0:  loic       2627 F.... pulseaudio
 /dev/snd/pcmC0D0c:   loic       2627 F...m pulseaudio
 /dev/snd/pcmC0D0p:   loic       2627 F...m pulseaudio
BuildID: 20120601175215
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfc200000 irq 47'
   Mixer name	: 'Realtek ALC272'
   Components	: 'HDA:10ec0272,144dc050,00100001'
   Controls      : 21
   Simple ctrls  : 12
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xcfeec000 irq 48'
   Mixer name	: 'ATI R6xx HDMI'
   Components	: 'HDA:1002aa01,00aa0100,00100100'
   Controls      : 6
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Channel: release
Date: Tue Jun 12 23:38:56 2012
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
IpRoute:
 default via 192.168.1.1 dev wlan0  proto static 
 169.254.0.0/16 dev wlan0  scope link  metric 1000 
 192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.71  metric 2
MostRecentCrashID: bp-bb0454f4-f44d-4062-bb44-bb41f2120512
Profiles: Profile0 (Default) - LastVersion=13.0/20120601175215 (In use)
RelatedPackageVersions:
 icedtea-6-plugin  1.2-2ubuntu1
 rhythmbox-mozilla 2.96-0ubuntu4
 totem-mozilla     3.0.1-0ubuntu21
 gecko-mediaplayer 1.0.4-2ubuntu1
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: Upgraded to precise on 2012-04-06 (67 days ago)
dmi.bios.date: 09/16/2009
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: 05LL.M025.20090916.Jay
dmi.board.name: R520/R522/R620
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr05LL.M025.20090916.Jay:bd09/16/2009:svnSAMSUNGELECTRONICSCO.,LTD.:pnR520/R522/R620:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnR520/R522/R620:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
dmi.product.name: R520/R522/R620
dmi.product.version: Not Applicable
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise release-channel

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Title:
  Alsa-plugin repeatedly opens and double sound

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