Comment 2 for bug 749037

StacktraceTop:
 root_changed (client=0xb5b3e608, new_root=0xb5ba0ae8, user_data=0xb5be9a90) at window-menus.c:527
 g_cclosure_marshal_VOID__OBJECT (closure=0xb5b4a240, return_value=0x0, n_param_values=2, param_values=0x95bd2a0, invocation_hint=0xbfc944b0, marshal_data=0x0) at /build/buildd/glib2.0-2.28.4/./gobject/gmarshal.c:638
 g_closure_invoke (closure=0xb5b4a240, return_value=0x0, n_param_values=2, param_values=0x95bd2a0, invocation_hint=0xbfc944b0) at /build/buildd/glib2.0-2.28.4/./gobject/gclosure.c:767
 signal_emit_unlocked_R (node=0x9276d30, detail=0, instance=0xb5b3e608, emission_return=0x0, instance_and_params=0x95bd2a0) at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:3252
 g_signal_emit_valist (instance=0xb5b3e608, signal_id=251, detail=0, var_args=0xbfc94670 "\001") at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:2983