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

[Mahdi Fattahi]

Compiz crashed

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,regex,animation,snap,place,resize,grid,move,vpswitch,gnomecompat,workarounds,mousepoll,imgpng,wall,session,expo,unitymtgrabhandles,ezoom,fade,scale]
CompositorRunning: compiz
CrashCounter: 1
Date: Fri Sep 23 18:47:26 2011
DistUpgraded: Fresh install
DistroCodename: oneiric
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:20e4]
   Subsystem: Lenovo Device [17aa:20e4]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110901)
MachineType: LENOVO 2743X12
ProcCmdline: compiz
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-11-generic root=UUID=521ab9d3-698d-47a4-96a7-268e361ee953 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 lpadmin sambashare
dmi.bios.date: 05/29/2009
dmi.bios.vendor: LENOVO
dmi.bios.version: 6AET58WW
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: 2743X12
dmi.board.vendor: LENOVO
dmi.board.version: LENOVO 6AET58WW
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: LENOVO 6AET58WW
dmi.modalias: dmi:bvnLENOVO:bvr6AET58WW:bd05/29/2009:svnLENOVO:pn2743X12:pvrThinkPadSL:rvnLENOVO:rn2743X12:rvrLENOVO6AET58WW:cvnLENOVO:ct10:cvrLENOVO6AET58WW:
dmi.product.name: 2743X12
dmi.product.version: ThinkPad SL
dmi.sys.vendor: LENOVO
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.