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[Gizmo Chicken <gizmochicken@xxxxxxxxx>]

I'm currently having a similar problem (system freeze) when running
Firefox in an Ubuntu 15.04 virtual machine (VM) under KVM/Qemu.  That
is, the VM (but not the host) freezes within a few seconds after
visiting certain sites (including Ubuntu.com) using Firefox in the VM.

I'll just add that:  (1) I haven't run into this problem with Ubuntu
15.04 when running bare-metal on my Intel-based laptop or when running
bare-metal on my AMD-based desktop; (2) however, the above is highly
reproducible (almost ALWAYS happens) in VMs run on my Intel-based
laptop.  (I haven't yet tested any Ubuntu 15.04 VMs on my AMD-based
desktop.)

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to firefox in Ubuntu.
https://bugs.launchpad.net/bugs/1432492

Title:
  Firefox and Thunderbird freezes entire system after a few seconds of
  use

Status in The Mozilla Firefox Browser:
  New
Status in firefox package in Ubuntu:
  Incomplete

Bug description:
  Description:	Ubuntu Vivid Vervet (development branch)
  Release:	15.04


  firefox:
    Installed: 36.0.1+build2-0ubuntu1
    Candidate: 36.0.1+build2-0ubuntu1
    Version table:
   *** 36.0.1+build2-0ubuntu1 0
          500 http://mirrors.accretive-networks.net/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status

  
  The whole system freezes after opening firefox. Hard reset required.

  Related bug: 
  https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1432488

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: firefox 36.0.1+build2-0ubuntu1
  ProcVersionSignature: Ubuntu 3.19.0-9.9-generic 3.19.1
  Uname: Linux 3.19.0-9-generic x86_64
  AddonCompatCheckDisabled: False
  ApportVersion: 2.16.2-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  black      1959 F.... pulseaudio
   /dev/snd/controlC0:  black      1959 F.... pulseaudio
  BuildID: 20150306140302
  Channel: Unavailable
  CurrentDesktop: Unity
  Date: Sun Mar 15 22:01:45 2015
  EcryptfsInUse: Yes
  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 2014-04-21 (329 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  IpRoute:
   default via 192.168.1.1 dev eth0  proto static  metric 1024 
   169.254.0.0/16 dev eth0  scope link  metric 1000 
   192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.100
  IwConfig:
   eth0      no wireless extensions.
   
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
  Locales: extensions.sqlite corrupt or missing
  MostRecentCrashID: bp-d89e64a8-90ce-4922-add5-6cfba2140512
  PrefSources:
   prefs.js
   [Profile]/extensions/https-everywhere@xxxxxxx/defaults/preferences/preferences.js
   [Profile]/extensions/{0AA9101C-D3C1-4129-A9B7-D778C6A17F82}/defaults/preferences/rikaichan.js
  Profiles: Profile0 (Default) - LastVersion=36.0.1/20150306140302
  RelatedPackageVersions:
   google-talkplugin 5.38.5.0-1
   rhythmbox-mozilla 3.1-1ubuntu2
  RfKill:
   
  RunningIncompatibleAddons: False
  SourcePackage: firefox
  SubmittedCrashIDs: bp-d89e64a8-90ce-4922-add5-6cfba2140512
  Themes: extensions.sqlite corrupt or missing
  UpgradeStatus: Upgraded to vivid on 2015-03-16 (0 days ago)
  dmi.bios.date: 05/19/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1605
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P6T DELUXE
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1605:bd05/19/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6TDELUXE:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  no_proxy: localhost,127.0.0.0/8,::1

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