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

Binary package hint: compiz

I clicked on the Applications place in unity, then clicked on the game "20,000 light years into space". It never came up, but unity crashed.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: compiz-core 1:0.9.2.1+glibmainloop4-0ubuntu11
ProcVersionSignature: Ubuntu 2.6.38-4.31-generic 2.6.38-rc5
Uname: Linux 2.6.38-4-generic x86_64
Architecture: amd64
CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,scale,session,unityshell]
CompositorRunning: compiz
CrashCounter: 1
DRM.card0.DP.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.HDMI.A.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1366x768
 edid-base64: AP///////wAwZAMJAQEBASMTAQOAHRF4CoWVmVdPjyYhUFQAAAABAQEBAQEBAQEBAQEBAQEBux1W6lAAGTAjcFoAJ6YQAAAYAAAADwAC0ALQAAUBBUzUAg4AAAAA/gBUTURJU1BMQVkKICAgAAAA/gBMVDEzM0VFMDkxMDAKALI=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Sat Feb 19 15:27:10 2011
DistUpgraded: Yes, recently upgraded Log time: 2010-08-25 06:21:49.797653
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) (prog-if 00 [VGA controller])
   Subsystem: CLEVO/KAPOK Computer Device [1558:3100]
MachineType: System76, Inc. Lemur UltraThin
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_GB.utf8
 LC_MESSAGES=en_US.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-4-generic root=UUID=625ed789-1cb3-4081-9c7e-f812810b5126 ro quiet splash vt.handoff=7
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x7fa1503bd1f6 <_ZN11IconTextureD2Ev+54>: mov (%rdi),%rax
 PC (0x7fa1503bd1f6) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 IconTexture::~IconTexture() () from /usr/lib/compiz/libunityshell.so
 IconTexture::~IconTexture() () from /usr/lib/compiz/libunityshell.so
 nux::Object::Destroy() () from /usr/lib/libnux-core-0.9.so.0
 nux::Object::UnReference() () from /usr/lib/libnux-core-0.9.so.0
 nux::Layout::~Layout() () from /usr/lib/libnux-0.9.so.0
Title: compiz crashed with SIGSEGV in IconTexture::~IconTexture()
UserGroups: adm admin cdrom dialout dip fax floppy fuse lpadmin plugdev sambashare tape video
dmi.bios.date: 08/17/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: CALPELLACRB.86C.0000.X.0000000000
dmi.board.asset.tag: Tag 12345
dmi.board.name: Lemur UltraThin
dmi.board.vendor: System76, Inc.
dmi.board.version: lemu2
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: System76, Inc.
dmi.chassis.version: lemu2
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrCALPELLACRB.86C.0000.X.0000000000:bd08/17/2010:svnSystem76,Inc.:pnLemurUltraThin:pvrlemu2:rvnSystem76,Inc.:rnLemurUltraThin:rvrlemu2:cvnSystem76,Inc.:ct10:cvrlemu2:
dmi.product.name: Lemur UltraThin
dmi.product.version: lemu2
dmi.sys.vendor: System76, Inc.
version.compiz: compiz 1:0.9.2.1+glibmainloop4-0ubuntu11
version.libdrm2: libdrm2 2.4.23-1ubuntu3
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1~git20110215.cc1636b6-0ubuntu2
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu6
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-1ubuntu9
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu4