compiz crashed with SIGSEGV in sigc::signal_base::impl()

[HarD]

Binary package hint: compiz

I have a popup windows with error abot compiz

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 i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,decor,resize,place,imgsvg,imgjpeg,mousepoll,grid,imgpng,session,compiztoolbox,gnomecompat,vpswitch,move,regex,text,animation,wall,workarounds,wobbly,expo,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
DRM.card0.DP.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.DP.2:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.DP.3:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.HDMI.A.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1920x1080 1680x1050 1600x900 1280x1024 1280x1024 1280x960 1152x864 1280x720 1152x720 1024x768 1024x768 832x624 800x600 800x600 640x480 640x480 720x400
 edid-base64: AP///////wAJ0V94RVQAABQUAQOANR14LmCFplZKnCUSUFSla4BxAIHAgUCBgKnAswDRwAEBAjqAGHE4LUBYLEUA3QwRAAAeAAAA/wBBNUEwOTE1OVNMMDAwAAAA/QAyTBhTEQAKICAgICAgAAAA/ABHMjQyMEhEQkwKICAgALs=
DRM.card0.HDMI.A.2:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.HDMI.A.3:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Sat Feb 19 23:10:33 2011
DistUpgraded: Yes, recently upgraded Log time: 2011-02-19 22:27:31.617038
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/compiz
GraphicsCard:
 Intel Corporation Core Processor Integrated Graphics Controller [8086:0042] (rev 12) (prog-if 00 [VGA controller])
   Subsystem: Giga-byte Technology Device [1458:d000]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110212)
MachineType: Gigabyte Technology Co., Ltd. H55N-USB3
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=ru_RU:en
 LANG=ru_RU.UTF-8
 LC_MESSAGES=ru_RU.utf8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-4-generic root=UUID=6a779ef9-c669-4e64-a41d-762262454ba7 ro quiet splash vt.handoff=7
Renderer: Unknown
SegvAnalysis:
 Segfault happened at: 0x129e3d <_ZNK4sigc11signal_base4implEv+29>: mov 0x4(%edi),%esi
 PC (0x00129e3d) ok
 source "0x4(%edi)" (0x0000007c) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: compiz
StacktraceTop:
 sigc::signal_base::impl() const () from /usr/lib/libsigc-2.0.so.0
 sigc::signal_base::connect(sigc::slot_base const&) () from /usr/lib/libsigc-2.0.so.0
 UnityScreen::UnityScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so
 CompPlugin::VTableForScreenAndWindow<UnityScreen, UnityWindow>::initScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so
 CompManager::initPlugin(CompPlugin*) ()
Title: compiz crashed with SIGSEGV in sigc::signal_base::impl()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 08/20/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F5
dmi.board.name: H55N-USB3
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF5:bd08/20/2010:svnGigabyteTechnologyCo.,Ltd.:pnH55N-USB3:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnH55N-USB3:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: H55N-USB3
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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