gnome-control-center crashed with SIGSEGV in _g_closure_invoke_va()

I don't know that situation, message show in the desktop without warning.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: gnome-control-center 1:3.4.0-0ubuntu7
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu3
Architecture: amd64
Date: Mon Apr 16 10:47:13 2012
ExecutablePath: /usr/bin/gnome-control-center
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
ProcCmdline: gnome-control-center bluetooth
SegvAnalysis:
 Segfault happened at: 0x7fc9c8227dac: mov 0x30(%rax),%rdx
 PC (0x7fc9c8227dac) ok
 source "0x30(%rax)" (0x00000030) not located in a known VMA region (needed readable region)!
 destination "%rdx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 ?? () from /usr/lib/libnm-glib.so.4
 ?? () from /usr/lib/libnm-glib.so.4
 _g_closure_invoke_va (closure=0x7fca369b64e0, return_value=0x0, instance=0x7fca20003990, args=0x7fffc7dcc948, n_params=0, param_types=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gclosure.c:840
 g_signal_emit_valist (instance=0x7fca20003990, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3207
 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.1/./gobject/gsignal.c:3352
Title: gnome-control-center crashed with SIGSEGV in _g_closure_invoke_va()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
usr_lib_gnome-control-center:
 activity-log-manager-control-center 0.9.4-0ubuntu3
 deja-dup 22.0-0ubuntu2
 gnome-bluetooth 3.2.2-0ubuntu5
 indicator-datetime 0.3.94-0ubuntu1