compiz crashed with SIGSEGV in nux::Area::SetVisible()

[LiohMoeller]

Compiz suddenly crashed

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.30-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic x86_64
Architecture: amd64
CrashCounter: 1
Date: Wed Mar 2 20:56:33 2011
ExecutablePath: /usr/bin/compiz
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f07bc48d090 <_ZN3nux4Area10SetVisibleEb+96>: addw $0x1,0x0(%rbp)
 PC (0x7f07bc48d090) ok
 source "$0x1" ok
 destination "0x0(%rbp)" (0x7f07bc85f380) in non-writable VMA region: 0x7f07bc7a8000-0x7f07bc8ae000 r-xp /usr/lib/compiz/libunityshell.so
SegvReason: writing VMA /usr/lib/compiz/libunityshell.so
Signal: 11
SourcePackage: nux
StacktraceTop:
 nux::Area::SetVisible(bool) () from /usr/lib/libnux-0.9.so.0
 PlacesGroup::Refresh() () from /usr/lib/compiz/libunityshell.so
 PlacesGroup::OnIdleRelayout(PlacesGroup*) () from /usr/lib/compiz/libunityshell.so
 g_main_context_dispatch () from /lib/libglib-2.0.so.0
 ?? () from /lib/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in nux::Area::SetVisible()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Sebastien Bacher (seb128)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please try to obtain a backtrace following the instructions at http://wiki.ubuntu.com/DebuggingProgramCrash and upload the backtrace (as an attachment) to the bug report. This will greatly help us in tracking down your problem.