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

eu estava fechando o programa

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: compiz-gnome 1:0.9.7.0+bzr3035-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-19.30-generic 3.2.11
Uname: Linux 3.2.0-19-generic i686
.tmp.unity.support.test.0:

ApportVersion: 1.94.1-0ubuntu2
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,regex,snap,mousepoll,move,animation,resize,grid,gnomecompat,vpswitch,wall,fade,place,imgpng,unitymtgrabhandles,workarounds,expo,session,scale,ezoom,unityshell]
CompositorRunning: compiz
Date: Wed Mar 21 10:51:29 2012
DistUpgraded: 2012-03-04 17:40:30,101 DEBUG enabling apt cron job
DistroCodename: precise
DistroVariant: ubuntu
ExecutablePath: /usr/bin/gtk-window-decorator
GraphicsCard:
 Intel Corporation 82945G/GZ Integrated Graphics Controller [8086:2772] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Elitegroup Computer Systems Device [1019:2686]
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MachineType: IBYTE UDP GN ANDROS-I70L
ProcCmdline: /usr/bin/gtk-window-decorator
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-19-generic root=UUID=373e8398-e890-46ae-a84f-93320c6476d3 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 2012-03-10 (10 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 07/22/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080013
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: PL. AD330
dmi.board.vendor: VSCOM
dmi.board.version: V1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: VS Company
dmi.chassis.version: V1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr080013:bd07/22/2009:svnIBYTE:pnUDPGNANDROS-I70L:pvrV1.0:rvnVSCOM:rnPL.AD330:rvrV1.0:cvnVSCompany:ct3:cvrV1.0:
dmi.product.name: UDP GN ANDROS-I70L
dmi.product.version: V1.0
dmi.sys.vendor: IBYTE
version.compiz: compiz 1:0.9.7.0+bzr3035-0ubuntu1
version.libdrm2: libdrm2 2.4.30-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.1-0ubuntu5
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.1-0ubuntu5
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu7
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