[Bug 877005] [NEW] firefox broken when minimizing window from extension in unity3d

[zah]

Public bug reported:

This happens since I upgraded from 11.04 to 11.10. Happens with Firefox
7.0.1, and only when I log in with "Ubuntu" configuration but not
"Ubuntu2D".

Steps to reproduce:
-Open firefox.
-Use an extension than enables to write custom Javascript DOM code (better if it uses the main window scope, unlike the error console), like Custom Buttons, or Mouse Gestures Redox.
-Run the command window.minimize();

Thee firefox winndow minimizes to the Unity launcher, but when it is
restored all the comboboxes in the chrome (the combos that suggest the
url on the navigation bar or the user name on a login field of a
webpage).

In addition, when I try to use autoscrolling (middle click when that
option is enabled), the scrolling works, but the circle icon with the
two arrows doesn't show up and the keyboard becomes unresponsive for the
whole application, so I have to kit Firefox.

Eventually the whole system crashes afterwards and I have to restart the
computer,  but it's probably due to the instability of Unity 3d rather
than this particular bug.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: firefox 7.0.1+build1+nobinonly-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic-pae 3.0.4
Uname: Linux 3.0.0-12-generic-pae i686
NonfreeKernelModules: nvidia
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC2:  zah        1490 F.... pulseaudio
 /dev/snd/controlC1:  zah        1490 F.... pulseaudio
 /dev/snd/controlC0:  zah        1490 F.... pulseaudio
BuildID: 20111008085056
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xf9ff8000 irq 44'
   Mixer name	: 'Realtek ALC1200'
   Components	: 'HDA:10ec0888,104382fe,00100101'
   Controls      : 40
   Simple ctrls  : 22
Card1.Amixer.info:
 Card hw:1 'Camera'/'Camera at usb-0000:00:1d.0-2, full speed'
   Mixer name	: 'USB Mixer'
   Components	: 'USB046d:08f6'
   Controls      : 3
   Simple ctrls  : 2
Card2.Amixer.info:
 Card hw:2 'CA0106'/'Audigy SE [SB0570] at 0xec00 irq 17'
   Mixer name	: 'CA0106'
   Components	: ''
   Controls      : 35
   Simple ctrls  : 18
Channel: release
Date: Tue Oct 18 02:34:23 2011
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
IncompatibleExtensions: NoScript - ID={73a6fe31-595d-460b-a920-fcc0f8843232}, Version=2.1.5, minVersion=1.9a2, maxVersion=1.9.6, Location=app-profile, Type=extension, Active=Yes
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (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 192.168.1.33  metric 2
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=7.0.1/20111008085056 (Running)
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: Upgraded to oneiric on 2011-10-14 (3 days ago)
WifiSyslog:
 
dmi.bios.date: 04/27/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2103
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5QC
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 2.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.:bvr2103:bd04/27/2009:svnSystemmanufacturer:pnP5QC:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QC:rvrRev2.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5QC
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

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


** Tags: apport-bug i386 oneiric running-unity

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Title:
  firefox broken when minimizing window from extension in unity3d

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