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[Oscar Tiderman <896603@xxxxxxxxxxxxxxxxxx>]

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https://bugs.launchpad.net/bugs/896603

Title:
  plugin-container keeps running

Status in “firefox” package in Ubuntu:
  New

Bug description:
  plugin-container is running constantly after beeing used even though
  not needed any more, wasting resources.

  To reproduce:
  1. Start Firefox with one tab on a page without flash content (blocked with noscript in my case), run ps -e | grep plugin, no plugin-container is running. Fine.
  2. Open a new tab with a site that has flash video and let it play, run ps -e | grep plugin, plugin-container is running.
  3. Close the tab that has flash video on it and make sure there is no flash on the only active tab (all scripts blocked with noscript)
  4. Run top and watch plugin-container continue to run with 1-5% CPU usage
  5. Wait, wait and wait for 5 hours, run ps -e | grep plugin, plugin-container is still running with 1-5% CPU usage.

  Expected:
  When there is no flash to play, quit plugin-container and let Firefox start it next time it is needed.

  This is a very unnecessary battery drain and resource hog, it's fine
  that it is using CPU when it has work to do but make sure it quits
  afterwards.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: firefox 8.0+build1-0ubuntu0.11.10.3
  ProcVersionSignature: Ubuntu 3.0.0-14.23-generic 3.0.9
  Uname: Linux 3.0.0-14-generic x86_64
  NonfreeKernelModules: wl
  AddonCompatCheckDisabled: False
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC271X Analog [ALC271X Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  oscar      2159 F.... pulseaudio
  AuditLog:
   
  BuildID: 20111115183813
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd4400000 irq 42'
     Mixer name	: 'Intel IbexPeak HDMI'
     Components	: 'HDA:10ec0269,1025040e,00100100 HDA:80862804,104d4b00,00100000'
     Controls      : 24
     Simple ctrls  : 13
  Channel: release
  Date: Sat Nov 26 17:00:45 2011
  EcryptfsInUse: Yes
  ForcedLayersAccel: False
  IncompatibleExtensions: NoScript - ID={73a6fe31-595d-460b-a920-fcc0f8843232}, Version=2.2, minVersion=1.9a2, maxVersion=1.9.6, Location=app-profile, Type=extension, Active=Yes
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  IpRoute:
   default via 192.168.1.1 dev eth0  proto static 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.3  metric 2
  Profiles: Profile0 (Default) - LastVersion=8.0/20111115183813 (Running)
  RfKill:
   0: brcmwl-0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  RunningIncompatibleAddons: True
  SourcePackage: firefox
  UpgradeStatus: Upgraded to oneiric on 2011-11-01 (25 days ago)
  dmi.bios.date: 06/04/2010
  dmi.bios.vendor: INSYDE
  dmi.bios.version: V1.11
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Base Board Product Name
  dmi.board.vendor: Intel Corp.
  dmi.board.version: Base Board Version
  dmi.chassis.type: 1
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnINSYDE:bvrV1.11:bd06/04/2010:svnAcer:pnAspire1830T:pvrV1.11:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct1:cvrChassisVersion:
  dmi.product.name: Aspire 1830T
  dmi.product.version: V1.11
  dmi.sys.vendor: Acer

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