nautilus crashed with SIGSEGV in g_closure_invoke()

[Leporello]

Binary package hint: nautilus

crasher after unmounting usb volume via symbol in places column. This happens as well when unmounting built in harddrive. live-usb environment

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: nautilus 1:2.32.0-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
Architecture: amd64
Date: Fri Oct 1 21:33:38 2010
ExecutablePath: /usr/bin/nautilus
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate amd64 (20100928)
ProcCmdline: nautilus
ProcEnviron:
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x44c59f: mov (%r12),%rax
 PC (0x0044c59f) ok
 source "(%r12)" (0x00000001) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nautilus
StacktraceTop:
 ?? ()
 g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/libgobject-2.0.so.0
Title: nautilus crashed with SIGSEGV in g_closure_invoke()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 nautilus_path_bar_size_allocate (widget=0x271d600,
 g_closure_invoke ()
 ?? () from /usr/lib/libgobject-2.0.so.0
 g_signal_emit_valist ()
 g_signal_emit () from /usr/lib/libgobject-2.0.so.0