compiz crashed with SIGSEGV in typeinfo for std::ostream()

While rendering (exporting) a video project in OpenShot, I pressed Ctrl + RightArrow to change to an other desktop workspace.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: libnux-1.0-0 1.8.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
CheckboxSubmission: cd4601468bb78345f167cdc80d28efad
CheckboxSystem: d00f84de8a555815fa1c4660280da308
CrashCounter: 1
Date: Sun Sep 11 21:39:35 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x7f845a6ad8a0 <_ZTISo>: lock or $0x67,%al
 PC (0x7f845a6ad8a0) in non-executable VMA region: 0x7f845a6a9000-0x7f845a6b1000 r--p /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.16
 source "$0x67" ok
 destination "%al" ok
SegvReason: executing non-writable VMA /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.16
Signal: 11
SourcePackage: nux
StacktraceTop:
 typeinfo for std::ostream () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
 nux::WindowCompositor::FindKeyFocusArea(nux::NuxEventType, unsigned int, unsigned int, nux::InputArea**, nux::BaseWindow**) () from /usr/lib/libnux-1.0.so.0
 nux::WindowCompositor::KeyboardEventCycle(nux::Event&) () from /usr/lib/libnux-1.0.so.0
 nux::WindowCompositor::ProcessEvent(nux::Event&) () from /usr/lib/libnux-1.0.so.0
 nux::WindowThread::ProcessForeignEvent(_XEvent*, void*) () from /usr/lib/libnux-1.0.so.0
Title: compiz crashed with SIGSEGV in typeinfo for std::ostream()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare