compiz.real crashed with SIGSEGV

Binary package hint: compiz

 cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu hardy (development branch)"

$ dpkg -l compiz | cat
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-f/Unpacked/Failed-cfg/Half-inst/t-aWait/T-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: uppercase=bad)
||/ Name Version Description
+++-=========================================-==========================================-============================================
ii compiz 1:0.6.99+git20080102-0ubuntu5 OpenGL window and compositing manager

On closing out from "Screens and Graphics", the display freezed, and then the bug report window poped up.
After that, I found desktop effect doesn't work.

ProblemType: Crash
Architecture: i386
Date: Sat Feb 2 21:00:52 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/compiz.real
Package: compiz-core 1:0.6.99+git20080102-0ubuntu5
PackageArchitecture: i386
ProcCmdline: /usr/bin/compiz.real --ignore-desktop-hints --replace --indirect-rendering --sm-client-id default0 ccp
ProcCwd: /home/ahf
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: compiz
StacktraceTop:
 ?? () from /usr/lib/compiz/libworkarounds.so
 ?? ()
 ?? ()
 ?? ()
 ?? () from /usr/lib/compiz/libworkarounds.so
Title: compiz.real crashed with SIGSEGV
Uname: Linux azure 2.6.24-5-generic #1 SMP Thu Jan 24 19:45:21 UTC 2008 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip floppy lpadmin netdev plugdev scanner video