[Bug 1002453] [NEW] Firefox Screen Freeze

[T]

Public bug reported:

Ubuntu 12.04.

Firefox freezes when I enter full screen mode. By freeze, I *do not*
mean that it locks up. I can't think of another word to use. What
happens is that anything below the top bar becomes unreadable.

For example, after a period of time in full screen, if I were to go and
begin typing a web address, what usually would come down in a drop menu
of recent websites doesn't appear. Also, if I am scrolling down a
website, it doesn't register. This is the case until I put the mouse at
the top of the screen to bring down the top bar, and at this time the
new website will register on the screen.

Apologies if this doesn't make enough sense.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: firefox 12.0+build1-0ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic x86_64
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  dalton     1866 F.... pulseaudio
 /dev/snd/pcmC0D0p:   dalton     1866 F...m pulseaudio
BuildID: 20120423122928
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf5400000 irq 53'
   Mixer name	: 'Intel IbexPeak HDMI'
   Components	: 'HDA:10ec0269,10431213,00100100 HDA:80862804,10431213,00100000'
   Controls      : 26
   Simple ctrls  : 12
Channel: release
Date: Mon May 21 15:06:08 2012
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
IpRoute:
 default via 192.168.1.1 dev wlan0  proto static 
 169.254.0.0/16 dev wlan0  scope link  metric 1000 
 192.168.1.0/24 dev wlan0  proto kernel  scope link  src 192.168.1.3  metric 2
Profiles: Profile0 (Default) - LastVersion=12.0/20120423122928 (Running)
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: Upgraded to precise on 2012-05-18 (3 days ago)
dmi.bios.date: 07/01/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 213
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: U43
dmi.board.vendor: PEGATRON CORPORATION
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: PEGATRON Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr213:bd07/01/2010:svnASUSTeKComputerInc.:pnU43F:pvr1.0:rvnPEGATRONCORPORATION:rnU43:rvr1.0:cvnPEGATRONComputerInc.:ct10:cvr1.0:
dmi.product.name: U43F
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug precise release-channel

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Title:
  Firefox Screen Freeze

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