compiz crashed with SIGSEGV in CompWindow::~CompWindow()

[Indyana]

trying to open Thunderbird

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: compiz-core 1:0.9.5.94+bzr20110919-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
NonfreeKernelModules: fglrx
.tmp.unity.support.test.0:

ApportVersion: 1.23-0ubuntu1
Architecture: i386
CheckboxSubmission: 07a55174fd44d0bfdcb7774d43b222a9
CheckboxSystem: 0531969bcfd4f03af7405c98dc94a948
CompizPlugins: [core,bailer,detection,composite,opengl,decor,vpswitch,grid,regex,compiztoolbox,move,snap,mousepoll,wall,place,resize,gnomecompat,animation,fade,imgpng,workarounds,expo,unitymtgrabhandles,session,scale,ezoom,unityshell]
CompositorRunning: compiz
CrashCounter: 1
Date: Mon Sep 26 18:50:50 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
DkmsStatus: fglrx, 8.881, 3.0.0-11-generic, i686: installed
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 ATI Technologies Inc RV620 LE [Radeon HD 3450] [1002:95c5] (prog-if 00 [VGA controller])
   Subsystem: PC Partner Limited Device [174b:e400]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110921.2)
JockeyStatus:
 kmod:fglrx - ATI Fire GL (Propriétaire, Désactivé, Non utilisé)
 xorg:fglrx - Pilote graphique FGLRX propriétaire pour ATI/AMD (Propriétaire, Activé, En cours d'utilisation)
MachineType: System manufacturer P5QL PRO
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=fr_FR:fr_CA:zh_HK:zh_CN:zh_TW
 PATH=(custom, no user)
 LANG=fr_FR.UTF-8
 LC_MESSAGES=fr_FR.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=5f74beb2-e708-42c6-8072-40ad57dbcf7f ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x8088d51 <_ZN10CompWindowD2Ev+609>: mov 0x10(%eax),%edi
 PC (0x08088d51) ok
 source "0x10(%eax)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%edi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 CompWindow::~CompWindow() ()
 CompWindow::~CompWindow() ()
 PrivateScreen::removeDestroyed() ()
 PrivateScreen::processEvents() ()
 CompEventSource::callback() ()
Title: compiz crashed with SIGSEGV in CompWindow::~CompWindow()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 07/01/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1004
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5QL PRO
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.:bvr1004:bd07/01/2009:svnSystemmanufacturer:pnP5QLPRO:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QLPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5QL PRO
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.5.94+bzr20110919-0ubuntu1
version.fglrx-installer: fglrx-installer N/A
version.libdrm2: libdrm2 2.4.26-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #856921, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.