compiz crashed with SIGSEGV in XDefineCursor()

[Matthew Paul Thomas]

Apport says:

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: compiz-core 1:0.9.7.0~bzr2995-0ubuntu5
ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
Uname: Linux 3.2.0-17-generic i686
NonfreeKernelModules: wl
.tmp.unity.support.test.0:

ApportVersion: 1.93-0ubuntu2
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,move,grid,place,resize,regex,snap,compiztoolbox,gnomecompat,animation,imgpng,mousepoll,ezoom,workarounds,session,wall,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
Date: Mon Feb 27 16:34:31 2012
DistUpgraded: Log time: 2012-02-27 10:21:28.512611
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus:
 bcmwl, 5.100.82.38+bdcom, 3.0.0-16-generic, i686: installed
 bcmwl, 5.100.82.38+bdcom, 3.2.0-17-generic, i686: installed
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 03) (prog-if 00 [VGA controller])
   Subsystem: Apple Inc. Device [106b:00a1]
   Subsystem: Apple Inc. Device [106b:00a1]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: Apple Inc. MacBook4,1
ProcCmdline: compiz --replace
ProcEnviron:
 SHELL=/bin/bash
 TERM=linux
 PATH=(custom, user)
 LANG=en_GB.UTF-8
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic root=UUID=136588bc-9f5d-4ea2-abe3-91e4b5a4f747 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x2c9004 <XDefineCursor+20>: mov 0x4d0(%esi),%eax
 PC (0x002c9004) ok
 source "0x4d0(%esi)" (0x000004d0) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 XDefineCursor () from /usr/lib/i386-linux-gnu/libX11.so.6
 PrivateScreen::updateStartupFeedback() () from /usr/lib/libcompiz_core.so.ABI-20120216
 PrivateScreen::removeAllSequences() () from /usr/lib/libcompiz_core.so.ABI-20120216
 CompScreenImpl::~CompScreenImpl() () from /usr/lib/libcompiz_core.so.ABI-20120216
 CompScreenImpl::~CompScreenImpl() () from /usr/lib/libcompiz_core.so.ABI-20120216
Title: compiz crashed with SIGSEGV in XDefineCursor()
UpgradeStatus: Upgraded to precise on 2012-02-27 (0 days ago)
UserGroups: adm admin cdrom dialout dip fax floppy fuse lpadmin plugdev sambashare tape video
dmi.bios.date: 02/09/08
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MB41.88Z.00C1.B00.0802091535
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F22788A9
dmi.board.vendor: Apple Inc.
dmi.board.version: PVT
dmi.chassis.asset.tag: Asset Tag#
dmi.chassis.type: 2
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F22788A9
dmi.modalias: dmi:bvnAppleInc.:bvrMB41.88Z.00C1.B00.0802091535:bd02/09/08:svnAppleInc.:pnMacBook4,1:pvr1.0:rvnAppleInc.:rnMac-F22788A9:rvrPVT:cvnAppleInc.:ct2:cvrMac-F22788A9:
dmi.product.name: MacBook4,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.
version.compiz: compiz 1:0.9.7.0~bzr2995-0ubuntu5
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.99.901+git20120126-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #936487, 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.