nautilus crashed with SIGSEGV in g_object_ref()

[thiagomata]

Binary package hint: nautilus

unable to unmount or eject a mobile hard disk
after crash i receive this error

ProblemType: Crash
Architecture: i386
Date: Sun Feb 14 15:01:45 2010
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/nautilus
LiveMediaBuild: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
NonfreeKernelModules: wl
Package: nautilus 1:2.28.1-0ubuntu3
ProcCmdline: nautilus
ProcEnviron:
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SegvAnalysis:
 Segfault happened at: 0x2d9320 <g_object_ref+32>: cmpl $0x50,(%eax)
 PC (0x002d9320) ok
 source "$0x50" ok
 destination "(%eax)" (0x00000023) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: nautilus
StacktraceTop:
 g_object_ref () from /usr/lib/libgobject-2.0.so.0
 g_datalist_clear () from /lib/libglib-2.0.so.0
 ?? () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libnautilus-extension.so.1
 g_object_unref () from /usr/lib/libgobject-2.0.so.0
Title: nautilus crashed with SIGSEGV in g_object_ref()
Uname: Linux 2.6.31-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:g_object_ref () from /usr/lib/libgobject-2.0.so.0
g_datalist_clear () from /lib/libglib-2.0.so.0
?? () from /usr/lib/libgobject-2.0.so.0
nautilus_menu_item_finalize (object=0xb4d12210) at nautilus-menu-item.c:225
g_object_unref () from /usr/lib/libgobject-2.0.so.0

[Pedro Villavicencio (pedro)]

Thanks for the bug report. This particular bug has already been reported into our bug tracking system, but please feel free to report any further bugs you find.