gtk-window-decorator crashed with SIGSEGV in max_window_name_width()

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ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: compiz-gnome 1:0.9.7.0+bzr3035-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic-pae 3.2.9
Uname: Linux 3.2.0-18-generic-pae i686
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] 是一个目录: '/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86 Kernel Module 295.20 Mon Feb 6 20:25:38 PST 2012
 GCC version: gcc 版本 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu3)
.tmp.unity.support.test.0:

ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: compiz
CrashCounter: 1
Date: Sat Mar 17 22:26:28 2012
DistUpgraded: Log time: 2012-03-17 03:52:21.224966
DistroCodename: precise
DistroVariant: ubuntu
DkmsStatus: nvidia-current, 295.20, 3.2.0-18-generic-pae, i686: installed
ExecutablePath: /usr/bin/gtk-window-decorator
GraphicsCard:
 NVIDIA Corporation GT216 [GeForce GT 330M] [10de:0a29] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Acer Incorporated [ALI] Device [1025:0370]
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120301)
JockeyStatus:
 xorg:nvidia_current - NVIDIA 图形加速驱动 (专有软件, 已启用, 使用中)
 xorg:nvidia_current_updates - NVIDIA accelerated graphics driver (post-release updates) (专有软件, 已禁用, 未使用)
MachineType: Acer Aspire 4741
ProcCmdline: /usr/bin/gtk-window-decorator
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-18-generic-pae root=UUID=b7e3ed14-e6e5-462b-8d60-b032f4e0b105 ro quiet splash vt.handoff=7
SegvAnalysis:
 Segfault happened at: 0x80602a6 <max_window_name_width+70>: mov 0x204(%eax),%eax
 PC (0x080602a6) ok
 source "0x204(%eax)" (0x00000204) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 max_window_name_width ()
 update_window_decoration_size ()
 ?? ()
 g_cclosure_marshal_VOID__OBJECTv () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: gtk-window-decorator crashed with SIGSEGV in max_window_name_width()
UpgradeStatus: Upgraded to precise on 2012-03-16 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
XorgConf:
 Section "Device"
  Identifier "Default Device"
  Option "NoLogo" "True"
 EndSection
dmi.bios.date: 11/02/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.28
dmi.board.asset.tag: No Asset Tag
dmi.board.name: JE40_CP
dmi.board.vendor: Acer
dmi.board.version: V1.28
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.28
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.28:bd11/02/2010:svnAcer:pnAspire4741:pvrV1.28:rvnAcer:rnJE40_CP:rvrV1.28:cvnAcer:ct10:cvrV1.28:
dmi.product.name: Aspire 4741
dmi.product.version: V1.28
dmi.sys.vendor: Acer
version.compiz: compiz 1:0.9.7.0+bzr3035-0ubuntu1
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu4
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
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 #948580, 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.