gnome-panel crashed with SIGSEGV in g_signal_emit_valist()

Happend at login

Ubuntu Raring Ringtail (development branch)
Release: 13.04

gnome-panel:
  Installed: 1:3.6.2-0ubuntu3
  Candidate: 1:3.6.2-0ubuntu3
  Version table:
 *** 1:3.6.2-0ubuntu3 0
        500 http://archive.ubuntu.com/ubuntu/ raring/universe amd64 Packages
        100 /var/lib/dpkg/status

expected to happen: Nornal Login
happened instead: Crash

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: gnome-panel 1:3.6.2-0ubuntu3
ProcVersionSignature: Ubuntu 3.8.0-12.21-generic 3.8.2
Uname: Linux 3.8.0-12-generic x86_64
ApportVersion: 2.9.1-0ubuntu1
Architecture: amd64
Date: Sun Mar 17 11:37:48 2013
ExecutablePath: /usr/bin/gnome-panel
GsettingsChanges:

InstallationDate: Installed on 2013-03-05 (11 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130301)
MarkForUpload: True
ProcCmdline: gnome-panel
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fe3dc2da468: mov 0x80(%rax),%edx
 PC (0x7fe3dc2da468) ok
 source "0x80(%rax)" (0xaaaaaaaaaaaaab2a) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-panel
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-panel crashed with SIGSEGV in g_signal_emit_valist()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo