nautilus crashed with SIGSEGV in g_main_context_dispatch()

[Chenheting]

Binary package hint: nautilus

When I switch to two window, I got this bug.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: nautilus 1:2.32.2.1-0ubuntu13
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Sat Apr 16 18:56:54 2011
ExecutablePath: /usr/bin/nautilus
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110413)
ProcCmdline: nautilus
ProcEnviron:
 LANGUAGE=en_SG:en
 LANG=en_SG.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x895c1b: mov 0x4(%edi),%eax
 PC (0x00895c1b) ok
 source "0x4(%edi)" (0x00000004) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nautilus
StacktraceTop:
 ?? () from /usr/lib/libdbusmenu-glib.so.3
 ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
Title: nautilus crashed with SIGSEGV in g_main_context_dispatch()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 bus_get_prop (connection=0x932e190, sender=0xb5a18dd8 ":1.67", path=0xb5a18ee8 "/com/canonical/menu/1006B19", interface=0x9449438 "com.canonical.dbusmenu", property=0x9449580 "Version", error=0x0, user_data=0x96169d0) at ../../libdbusmenu-glib/server.c:751
 invoke_get_all_properties_in_idle_cb (_data=0xb5a1c8d8) at /build/buildd/glib2.0-2.28.5/./gio/gdbusconnection.c:4095
 g_idle_dispatch (source=0xb5a1bfd8, callback=0xc78cd0 <invoke_get_all_properties_in_idle_cb>, user_data=0xb5a1c8d8) at /build/buildd/glib2.0-2.28.5/./glib/gmain.c:4545
 g_main_dispatch (context=0x92f80c8) at /build/buildd/glib2.0-2.28.5/./glib/gmain.c:2440
 g_main_context_dispatch (context=0x92f80c8) at /build/buildd/glib2.0-2.28.5/./glib/gmain.c:3013