compiz crashed with SIGSEGV in std::__detail::_List_node_base::_M_hook()

This happended when I unplugged an external projector. The screen blinked as it usually do, then everything froze for 3-5 sek, and unity restarted itself showing the errorbox which I used to report this error :)

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.8.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu2
Architecture: amd64
Date: Fri Apr 13 15:52:32 2012
ExecutablePath: /usr/bin/compiz
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x7fc1cf247433 <_ZNSt8__detail15_List_node_base7_M_hookEPS0_+19>: mov %rdi,(%rax)
 PC (0x7fc1cf247433) ok
 source "%rdi" ok
 destination "(%rax)" (0x00000020) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 std::__detail::_List_node_base::_M_hook(std::__detail::_List_node_base*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
 unity::ui::PointerBarrierWrapper::EmitCurrentData() () from /usr/lib/compiz/libunityshell.so
 ?? () from /usr/lib/compiz/libunityshell.so
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in std::__detail::_List_node_base::_M_hook()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm lpadmin sudo