nautilus crashes when unmounting microSD card

Binary package hint: nautilus

nautilus crashes when unmounting microSD card.
happens randomly with both 1 and 2 GB card (Kingston / noname), after nautilus restarts the card IS successfully unmounted.
card is in built-in sd reader (HP dv3550eg laptop)

Description: Ubuntu maverick (development branch)
Release: 10.10

nautilus:
installed: 1:2.31.92-0ubuntu1
candidate: 1:2.31.92-0ubuntu1

ProblemType: Crash
DistroRelease: Ubuntu 10.10
Package: nautilus 1:2.31.92-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
CrashCounter: 1
Date: Wed Sep 22 21:10:59 2010
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/nautilus
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta i386 (20100901.1)
ProcCmdline: nautilus
ProcEnviron:
 LANG=de_DE.utf8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x808a842: mov (%esi),%eax
 PC (0x0808a842) ok
 source "(%esi)" (0x00000001) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nautilus
StacktraceTop:
 ?? ()
 g_cclosure_marshal_VOID__BOXED () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libgobject-2.0.so.0
Title: nautilus crashed with SIGSEGV in g_cclosure_marshal_VOID__BOXED()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare