gvfsd-trash crashed with SIGSEGV in g_idle_funcs()

[lirel]

Binary package hint: gvfs

in ubuntu intrepid amd64 alpha 5 i tried to open gnome-display-properties
when i got this crash report

ProblemType: Crash
Architecture: amd64
Disassembly: 0x7ffaf4f2599c:
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/lib/gvfs/gvfsd-trash
Package: gvfs-backends 0.99.6-0ubuntu3
ProcAttrCurrent: unconfined
ProcCmdline: /usr/lib/gvfs/gvfsd-trash --spawner :1.15 /org/gtk/gvfs/exec_spaw/1
ProcEnviron:
 SHELL=/bin/bash
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 ?? ()
 ?? () from /lib/libpthread.so.0
 ?? ()
 g_idle_funcs () from /usr/lib/libglib-2.0.so.0
 g_main_context_dispatch ()
Title: gvfsd-trash crashed with SIGSEGV in g_idle_funcs()
Uname: Linux 2.6.27-2-generic x86_64
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare