compiz crashed with SIGSEGV in RegexExp::evaluate()

Binary package hint: unity

crash to open an archive

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.8.2-0ubuntu1 [modified: usr/lib/unity/unity-panel-service]
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic-pae 2.6.38
Uname: Linux 2.6.38-7-generic-pae i686
Architecture: i386
CrashCounter: 1
Date: Mon Apr 4 13:55:21 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=it_IT:en
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xb6e6a36c <_ZN8RegexExp8evaluateEP10CompWindow+108>: mov (%edx),%edx
 PC (0xb6e6a36c) ok
 source "(%edx)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 RegexExp::evaluate(CompWindow*) () from /usr/lib/compiz/libregex.so
 ?? ()
 ?? ()
 DecorWindow::update(bool) () from /usr/lib/compiz/libdecor.so
 DecorWindow::DecorWindow(CompWindow*) () from /usr/lib/compiz/libdecor.so
Title: compiz crashed with SIGSEGV in RegexExp::evaluate()
UpgradeStatus: Upgraded to natty on 2011-03-26 (8 days ago)
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