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[Arthur Peters <amp@xxxxxxxxxxxxxxxxx>]

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https://bugs.launchpad.net/bugs/863133

Title:
  Firefox huge memory usage on amb64 (memory leak)

Status in “firefox” package in Ubuntu:
  New

Bug description:
  Behaviour I have seen:
  * Start firefox
  * Memory usage: ~250MB
  * Use normally for 30 minutes to an hour (3-6 tabs a new page loaded every couple of minutes)
  * Memory usage: ~990MB (I have seen it get as high as 1.4GB)

  The memory usage does go down when I close tab and the like but
  overall it only increase and the bulk of it is never freed.

  I did not have this problem on Firefox 3 on 32bit (it leaked but much
  slower).

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: firefox 7.0.1+build1+nobinonly-0ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  AddonCompatCheckDisabled: False
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  amp        1388 F.... pulseaudio
   /dev/snd/controlC0:  amp        1388 F.... pulseaudio
  BuildID: 20110929022028
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'M44'/'M Audio Delta 44 at 0xec00, irq 16'
     Mixer name	: 'ICE1712 - multitrack'
     Components	: ''
     Controls      : 55
     Simple ctrls  : 37
  Card1.Amixer.info:
   Card hw:1 'Intel'/'HDA Intel at 0xf9ff8000 irq 46'
     Mixer name	: 'Realtek ALC883'
     Components	: 'HDA:10ec0883,14627238,00100002'
     Controls      : 32
     Simple ctrls  : 19
  Channel: release
  Date: Fri Sep 30 02:15:42 2011
  ExecutablePath: /usr/lib/firefox-7.0.1/firefox
  ForcedLayersAccel: False
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationMedia:
   
  IpRoute:
   default via 192.168.11.1 dev eth0  proto static 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.11.0/24 dev eth0  proto kernel  scope link  src 192.168.11.100  metric 1
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Profiles: Profile0 (Default) - LastVersion=7.0.1/20110929022028 (Running)
  RfKill:
   
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserAsoundrc:
   #defaults.ctl.card 1
   #defaults.pcm.card 1
   #defaults.timer.card 1
   
   #pcm.!default plughw:1
  dmi.bios.date: 01/05/2007
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V1.3
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: MS-7238
  dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
  dmi.board.version: 110
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
  dmi.chassis.version: 110
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.3:bd01/05/2007:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7238:pvr110:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7238:rvr110:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr110:
  dmi.product.name: MS-7238
  dmi.product.version: 110
  dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD

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