mutter crashed with SIGSEGV in egg_xid_get_functions()

Binary package hint: mutter

Just using unity.

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: mutter 2.31.5-0ubuntu7
ProcVersionSignature: Ubuntu 2.6.35-22.32-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
CrashCounter: 1
Date: Fri Sep 17 14:36:51 2010
ExecutablePath: /usr/bin/mutter
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100917)
ProcCmdline: mutter
ProcEnviron:
 LANGUAGE=pt_BR:pt:en
 LANG=pt_BR.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x2ebf5f4 <egg_xid_get_functions+164>: testb $0x1,(%eax)
 PC (0x02ebf5f4) ok
 source "$0x1" ok
 destination "(%eax)" (0x00000001) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: mutter
StacktraceTop:
 egg_xid_get_functions () from /usr/lib/indicators/3/libappmenu.so
 ?? () from /usr/lib/indicators/3/libappmenu.so
 ?? () from /usr/lib/indicators/3/libappmenu.so
 bamf_marshal_VOID__OBJECT_OBJECT () from /usr/lib/libbamf.so.0
 g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
Title: mutter crashed with SIGSEGV in egg_xid_get_functions()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (polkit-gnome-authentication-agent-1:3554): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (bluetooth-applet:3553): Gtk-CRITICAL **: IA__gtk_widget_set_sensitive: assertion `GTK_IS_WIDGET (widget)' failed
 (mutter:3541): libindicator-WARNING **: Unable to create service proxy on 'org.ayatana.indicator.application': Could not get owner of name 'org.ayatana.indicator.application': no such name