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[Launchpad Bug Tracker <1417755@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: firefox (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1417755

Title:
  Firefox massive leaks and slows the system

Status in firefox package in Ubuntu:
  Confirmed

Bug description:
  There're two profiles, running as independent process. One of them with usually 40 tabs open starts with mem usage of about 32-38 % and stays in this range.
  Since the last update it leaks slowly over time to more then 60% and slows in fact the system. (screenshot from conky)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: firefox 35.0.1+build1-0ubuntu0.14.04.1
  ProcVersionSignature: Ubuntu 3.13.0-45.74-generic 3.13.11-ckt13
  Uname: Linux 3.13.0-45-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  zookeeper   2022 F.... pulseaudio
   /dev/snd/controlC0:  zookeeper   2022 F.... pulseaudio
   /dev/snd/pcmC0D0p:   zookeeper   2022 F...m pulseaudio
  BuildID: 20150125222008
  Channel: Unavailable
  CurrentDesktop: Unity
  Date: Tue Feb  3 21:21:13 2015
  DefaultProfileIncompatibleExtensions:
   Deutsch (DE) Language Pack - langpack-de@xxxxxxxxxxxxxxxxxxx
   English (GB) Language Pack - langpack-en-GB@xxxxxxxxxxxxxxxxxxx
   Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
  DefaultProfilePrefSources:
   prefs.js
   [Profile]/extensions/{6614d11d-d21d-b211-ae23-815234e1ebb5}/defaults/preferences/preferences.js
   [Profile]/extensions/https-everywhere@xxxxxxx/defaults/preferences/preferences.js
  ForcedLayersAccel: False
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationDate: Installed on 2012-02-05 (1094 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120204)
  IpRoute:
   default via 192.168.2.1 dev eth0  proto static 
   192.168.2.0/24 dev eth0  proto kernel  scope link  src 192.168.2.102  metric 1
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MostRecentCrashID: bp-c13399cb-b4b7-461b-8691-2a35f2141124
  Profile1IncompatibleExtensions:
   Deutsch (DE) Language Pack - langpack-de@xxxxxxxxxxxxxxxxxxx
   English (GB) Language Pack - langpack-en-GB@xxxxxxxxxxxxxxxxxxx
   Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
  Profile1PrefSources:
   prefs.js
   [Profile]/extensions/https-everywhere@xxxxxxx/defaults/preferences/preferences.js
  Profiles:
   Profile0 (Default) - LastVersion=35.0.1/20150125222008 (In use)
   Profile1 - LastVersion=35.0.1/20150125222008 (In use)
  RelatedPackageVersions:
   icedtea-7-plugin 1.5-1ubuntu1
   totem-mozilla    3.10.1-1ubuntu4
  RfKill:
   
  RunningIncompatibleAddons: True
  SourcePackage: firefox
  SubmittedCrashIDs:
   bp-c13399cb-b4b7-461b-8691-2a35f2141124
   bp-29e68126-501a-4da7-b9cd-225892140922
  UpgradeStatus: Upgraded to trusty on 2014-08-12 (174 days ago)
  dmi.bios.date: 07/30/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0305
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P5QLD PRO
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0305:bd07/30/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QLDPRO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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