compiz crashed with SIGSEGV in nux::WindowThread::IsInsideLayoutCycle()

I typed 'unity --replace' in terminal, then compiz crashed.

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
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
Date: Mon Oct 31 12:43:31 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcCmdline: compiz
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fb315750420 <_ZNK3nux12WindowThread19IsInsideLayoutCycleEv>: movzbl 0x250(%rdi),%eax
 PC (0x7fb315750420) ok
 source "0x250(%rdi)" (0x00000250) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 nux::WindowThread::IsInsideLayoutCycle() const () from /usr/lib/libnux-1.0.so.0
 nux::Area::ReconfigureParentLayout(nux::Area*) () from /usr/lib/libnux-1.0.so.0
 nux::HLayout::HLayoutManagement(int, int) () from /usr/lib/libnux-1.0.so.0
 nux::HLayout::ComputeLayout2() () from /usr/lib/libnux-1.0.so.0
 nux::View::ComputeChildLayout() () from /usr/lib/libnux-1.0.so.0
Title: compiz crashed with SIGSEGV in nux::WindowThread::IsInsideLayoutCycle()
UpgradeStatus: Upgraded to oneiric on 2011-10-15 (16 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev root sambashare users www-data
XsessionErrors:
 (vino-server:31181): EggSMClient-CRITICAL **: egg_sm_client_set_mode: assertion `global_client == NULL || global_client_mode == EGG_SM_CLIENT_MODE_DISABLED' failed
 (nautilus:31180): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
 (nautilus:31180): Gtk-CRITICAL **: gtk_action_set_visible: assertion `GTK_IS_ACTION (action)' failed
 (Tomboy:31188): Gdk-CRITICAL **: IA__gdk_window_thaw_toplevel_updates_libgtk_only: assertion `private->update_and_descendants_freeze_count > 0' failed