compiz crashed with SIGSEGV in XDefineCursor()

[Peter Maunder]

logging in using Classic. First time this happened following updates Beta Pangolin yesterdays update

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
.tmp.unity.support.test.0:

ApportVersion: 1.94-0ubuntu1
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,resize,mousepoll,place,wall,grid,regex,animation,snap,gnomecompat,move,vpswitch,imgpng,session,workarounds,fade,scale,expo,unitymtgrabhandles,ezoom]
CompositorRunning: compiz
CurrentDmesg:
 [ 31.267555] init: plymouth-stop pre-start process (1429) terminated with status 1
 [ 39.232074] eth0: no IPv6 routers present
Date: Mon Mar 5 11:29:32 2012
DistUpgraded: Log time: 2012-03-02 09:58:48.180375
DistroCodename: precise
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Mobile 945GME Express Integrated Graphics Controller [8086:27ae] (rev 03) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:019c]
   Subsystem: Acer Incorporated [ALI] Device [1025:019c]
MachineType: Acer Aspire one
ProcCmdline: /usr/bin/compiz
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-17-generic root=UUID=d9357b39-c1b8-4c81-8dcb-d67ef0a1209d ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x5a5054 <XDefineCursor+20>: mov 0x4d0(%esi),%eax
 PC (0x005a5054) 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 2012-03-02 (3 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 02/20/2009
dmi.bios.vendor: Acer
dmi.bios.version: V1.05
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Aspire one
dmi.board.vendor: Acer
dmi.board.version: V1.05
dmi.chassis.type: 1
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.05
dmi.modalias: dmi:bvnAcer:bvrV1.05:bd02/20/2009:svnAcer:pnAspireone:pvrV1.05:rvnAcer:rnAspireone:rvrV1.05:cvnAcer:ct1:cvrV1.05:
dmi.product.name: Aspire one
dmi.product.version: V1.05
dmi.sys.vendor: Acer
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.