We are sorry that we do not always have the capacity to review all
reported bugs in a timely manner. You reported this bug some time ago
and there have been many changes in Ubuntu and Firefox since that time.

Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.

Do you still see a problem related to the one that you reported using
currently supported versions of Firefox and Ubuntu? Please let us know
if you do and in which version of Ubuntu otherwise this report can be
left to expire in approximately 60 days time.

Thank you for helping make Ubuntu better.

Paul White
[Ubuntu Bug Squad]

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

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https://bugs.launchpad.net/bugs/958852

Title:
  Desktop freezes randomly when using smooth scrolling and/ or hardware
  acceleration

Status in firefox package in Ubuntu:
  Incomplete

Bug description:
  If smooth scrolling and/ or hardware acceleration is enabled, destop
  freezes randomly. Same problem with google chrome.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: firefox 11.0+build1-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-19.30-generic 3.2.11
  Uname: Linux 3.2.0-19-generic x86_64
  AddonCompatCheckDisabled: False
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.94.1-0ubuntu2
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  alex       2620 F.... pulseaudio
  BuildID: 20120313141247
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xee400000 irq 49'
     Mixer name : 'Analog Devices AD1981'
     Components : 'HDA:11d41981,17aa2060,00100200'
     Controls      : 20
     Simple ctrls  : 11
  Card29.Amixer.info:
   Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
7FHT26WW-1.08'
     Mixer name : 'ThinkPad EC 7FHT26WW-1.08'
     Components : ''
     Controls      : 2
     Simple ctrls  : 1
  Card29.Amixer.values:
   Simple mixer control 'Console',0
     Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
     Playback channels: Mono
     Limits: Playback 0 - 14
     Mono: Playback 3 [21%] [on]
  Channel: release
  CurrentDmesg:
   [  224.896313] CE: hpet increased min_delta_ns to 45253 nsec
   [  514.406284] CE: hpet increased min_delta_ns to 67879 nsec
   [  565.037387] CE: hpet increased min_delta_ns to 101818 nsec
  Date: Sun Mar 18 23:06:56 2012
  ForcedLayersAccel: False
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  IncompatibleExtensions: FlashGot - ID={19503e42-ca3c-4c27-b1e2-9cdb2170ee34}, 
Version=1.4, minVersion=1.9a3, maxVersion=1.9.*, Location=app-profile, 
Type=extension, Active=Yes
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110425)
  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 192.168.1.4  metric 1
  Plugins:
   VLC Multimedia Plugin (compatible Totem 3.0.1) - 
Lib=libtotem-cone-plugin.so, Location=/usr/lib/mozilla/plugins
   Windows Media Player Plug-in 10 (compatible; Totem) - 
Lib=libtotem-gmp-plugin.so, Location=/usr/lib/mozilla/plugins
   DivX® Web Player - Lib=libtotem-mully-plugin.so, 
Location=/usr/lib/mozilla/plugins
   QuickTime Plug-in 7.6.6 - Lib=libtotem-narrowspace-plugin.so, 
Location=/usr/lib/mozilla/plugins
   IcedTea-Web Plugin (using IcedTea-Web 1.2 (1.2-1ubuntu1)) - 
Lib=IcedTeaPlugin.so, Location=/usr/lib/jvm/java-6-openjdk-amd64/jre/lib/amd64
  Profiles: Profile0 (Default) - LastVersion=11.0/20120313141247 (Running)
  RunningIncompatibleAddons: True
  SourcePackage: firefox
  UpgradeStatus: Upgraded to precise on 2012-03-14 (4 days ago)
  dmi.bios.date: 08/26/2009
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7FETA9WW (2.27 )
  dmi.board.name: 9452W5Q
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvr7FETA9WW(2.27):bd08/26/2009:svnLENOVO:pn9452W5Q:pvrThinkPadZ61m:rvnLENOVO:rn9452W5Q:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 9452W5Q
  dmi.product.version: ThinkPad Z61m
  dmi.sys.vendor: LENOVO

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