compiz crashed with SIGSEGV in CompAction::initiate()

[Ryota Ozaki]

The crash trigger seems pushing 'Switch Workspace' button, but I cannot reproduce it.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.36-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
Architecture: i386
Date: Fri Apr 1 15:45:46 2011
ExecutablePath: /usr/bin/compiz
ProcCmdline: compiz
ProcCwd: /home/ozaki-r
ProcEnviron:
 LANGUAGE=ja_JP:en
 PATH=(custom, user)
 LANG=ja_JP.UTF-8
 SHELL=/usr/bin/zsh
SegvAnalysis:
 Segfault happened at: 0x8087af5 <_ZN10CompAction8initiateEv+21>: mov (%ecx),%edx
 PC (0x08087af5) ok
 source "(%ecx)" (0x65736552) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 CompAction::initiate() ()
 MultiActionList::InitiateAll(std::vector<CompOption, std::allocator<CompOption> >&, int) () from /usr/lib/compiz/libunityshell.so
 PluginAdapter::InitiateExpo() () from /usr/lib/compiz/libunityshell.so
 LauncherController::OnExpoClicked(int) () from /usr/lib/compiz/libunityshell.so
 sigc::internal::slot_call1<sigc::bound_mem_functor1<void, LauncherController, int>, void, int>::call_it(sigc::internal::slot_rep*, int const&) () from /usr/lib/compiz/libunityshell.so
Title: compiz crashed with SIGSEGV in CompAction::initiate()
UpgradeStatus: Upgraded to natty on 2011-04-01 (0 days ago)
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