gnome-panel crashed with SIGSEGV in gtk_main_do_event()

[dfirkus]

Binary package hint: gnome-panel

crashed while switching desktops, evolution was also syncing mail at the same tiem

using Ubuntu 8.04 Beta

ProblemType: Crash
Architecture: amd64
Date: Thu Mar 27 14:49:26 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/gnome-panel
NonfreeKernelModules: nvidia
Package: gnome-panel 1:2.22.0-0ubuntu2
PackageArchitecture: amd64
ProcCmdline: gnome-panel --sm-client-id default1
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: gnome-panel
StacktraceTop:
 ?? () from /usr/lib/libgtk-x11-2.0.so.0
 ?? () from /usr/lib/libgtk-x11-2.0.so.0
 gtk_main_do_event ()
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
 g_main_context_dispatch ()
Title: gnome-panel crashed with SIGSEGV in gtk_main_do_event()
Uname: Linux 2.6.24-12-generic x86_64
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video