compiz crashed with SIGSEGV in nux::ROProperty<std::string>::operator std::string()

unity randomly crashed while typing dconf into dash searcher

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: libnux-1.0-0 1.14.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
CrashCounter: 1
Date: Thu Oct 20 18:40:29 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x2c6cdb0: lock mov $0x2a9,%eax
 PC (0x02c6cdb0) in non-executable VMA region: 0x015ef000-0x09e3f000 rw-p [heap]
 source "$0x2a9" ok
 destination "%eax" ok
SegvReason: executing writable VMA [heap]
Signal: 11
SourcePackage: nux
StacktraceTop:
 ?? ()
 nux::ROProperty<std::string>::operator std::string() const () from /usr/lib/compiz/libunityshell.so
 unity::dash::ResultViewGrid::OnOnKeyNavFocusChange(nux::Area*) () from /usr/lib/compiz/libunityshell.so
 sigc::internal::signal_emit1<void, nux::Area*, sigc::nil>::emit(sigc::internal::signal_impl*, nux::Area* const&) () from /usr/lib/libnux-1.0.so.0
 nux::WindowCompositor::SetKeyFocusArea(nux::InputArea*) () from /usr/lib/libnux-1.0.so.0
Title: compiz crashed with SIGSEGV in nux::ROProperty<std::string>::operator std::string()
UpgradeStatus: Upgraded to oneiric on 2011-10-17 (2 days ago)
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