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[Jesse Johnson <holocronweaver@xxxxxxxxx>]

Still a problem in Firefox 34.

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https://bugs.launchpad.net/bugs/1350390

Title:
  Streamming player stops - very high cpu and memory usage

Status in firefox package in Ubuntu:
  Confirmed

Bug description:
  When playing videos via youtube, the second video stops after a few
  seconds. Firefox becomes slow, cpu and memory usage increases.

  Firefox does not terminate normally, the firefox process(es) keep
  running and only stop after being killed.

  Easily reproducible.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: firefox 33.0~a2~hg20140729r209170-0ubuntu1~umd1
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic x86_64
  NonfreeKernelModules: fglrx
  AddonCompatCheckDisabled: False
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  strix      7587 F.... pulseaudio
  BuildID: 20140730081036
  Channel: Unavailable
  CurrentDesktop: GNOME
  Date: Wed Jul 30 22:39:50 2014
  Extensions: extensions.sqlite corrupt or missing
  ForcedLayersAccel: False
  IfupdownConfig:
   # interfaces(5) file used by ifup(8) and ifdown(8)
   auto lo
   iface lo inet loopback
  IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
  InstallationDate: Installed on 2014-06-27 (33 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
  IpRoute:
   default via 172.29.128.1 dev eth0  proto static 
   172.29.128.0/22 dev eth0  proto kernel  scope link  src 172.29.128.41  metric 1
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  Locales: extensions.sqlite corrupt or missing
  Plugins:
   Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
   Gnome Shell Integration - /usr/lib/mozilla/plugins/libgnome-shell-browser-plugin.so (gnome-shell)
   Google Talk Plugin - /opt/google/talkplugin/libnpgoogletalk.so (google-talkplugin)
   Google Talk Plugin Video Renderer - /opt/google/talkplugin/libnpo1d.so (google-talkplugin)
   iTunes Application Detector - /usr/lib/mozilla/plugins/librhythmbox-itms-detection-plugin.so (rhythmbox-mozilla)
  PrefSources:
   prefs.js
   /usr/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/ubufox@xxxxxxxxxx/defaults/preferences/001ubuntu-gnome-mods.js
  Profiles: Profile0 (Default) - LastVersion=33.0a2/20140730081036 (In use)
  RelatedPackageVersions:
   gnome-shell       3.10.4-0ubuntu5.2
   google-talkplugin 5.4.2.0-1
   rhythmbox-mozilla 3.0.2-0ubuntu2
  RfKill:
   
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  Themes: extensions.sqlite corrupt or missing
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/26/2011
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A02
  dmi.board.name: 06D7TR
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 6
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA02:bd02/26/2011:svnDellInc.:pnOptiPlex990:pvr01:rvnDellInc.:rn06D7TR:rvrA00:cvnDellInc.:ct6:cvr:
  dmi.product.name: OptiPlex 990
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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