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

[felipelavinz]

compiz crashed. using oneiric beta 2
(i hope the attached dumps would be more useful)

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
.tmp.unity.support.test.0:

ApportVersion: 1.23-0ubuntu1
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,move,regex,place,grid,gnomecompat,resize,snap,imgpng,vpswitch,session,mousepoll,animation,wall,unitymtgrabhandles,expo,ezoom,workarounds,fade,scale,unityshell]
CompositorRunning: compiz
Date: Fri Sep 23 00:43:29 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Mobile 945GME Express Integrated Graphics Controller [8086:27ae] (rev 03) (prog-if 00 [VGA controller])
   Subsystem: Micro-Star International Co., Ltd. Device [1462:0110]
   Subsystem: Micro-Star International Co., Ltd. Device [1462:0110]
MachineType: MICRO-STAR INTERNATIONAL CO., LTD U-100
ProcCmdline: compiz
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=b006707a-d399-4275-a639-0530864e5ead 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: 01/16/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.3
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: U-100
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: Ver.001
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.chassis.version: Ver.001
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.3:bd01/16/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnU-100:pvrVer.001:rvnMICRO-STARINTERNATIONALCO.,LTD:rnU-100:rvrVer.001:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvrVer.001:
dmi.product.name: U-100
dmi.product.version: Ver.001
dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO., LTD
version.compiz: compiz 1:0.9.5.94+bzr20110919-0ubuntu1
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.