Program received signal SIGSEGV, Segmentation fault.
0x0000000000496e3e in model_find_name (self=<value optimized out>, name=<value optimized out>, iter=0x7fffffffcee0)
    at empathy-groups-widget.c:137
137	  gtk_tree_model_foreach (GTK_TREE_MODEL (priv->group_store),
(gdb) bt
#0  0x0000000000496e3e in model_find_name (self=<value optimized out>, name=<value optimized out>, iter=0x7fffffffcee0)
    at empathy-groups-widget.c:137
#1  0x0000000000496eb7 in groupable_group_changed_cb (groups=<value optimized out>, group=0xe21d40 "Buddies", is_member=1, self=0xc9b440)
    at empathy-groups-widget.c:299
#2  0x00007fffecae2d1e in g_closure_invoke (closure=0xcf2020, return_value=0x0, n_param_values=3, param_values=0xbbd9e0, 
    invocation_hint=0x7fffffffd060) at gclosure.c:766
#3  0x00007fffecafb329 in signal_emit_unlocked_R (node=0xcdb750, detail=<value optimized out>, instance=<value optimized out>, 
    emission_return=<value optimized out>, instance_and_params=<value optimized out>) at gsignal.c:3252
#4  0x00007fffecafcaa6 in g_signal_emit_valist (instance=0xc9b440, signal_id=<value optimized out>, detail=0, var_args=0x7fffffffd280)
    at gsignal.c:2983
#5  0x00007fffecafcda2 in g_signal_emit_by_name (instance=0xc9b440, detailed_signal=<value optimized out>) at gsignal.c:3077
#6  0x00007ffff4181197 in tpf_persona_real_change_group_co (base=<value optimized out>, group=<value optimized out>, 
    is_member=<value optimized out>, _callback_=<value optimized out>, _user_data_=0xe5d560) at tpf-persona.c:236
#7  tpf_persona_real_change_group (base=<value optimized out>, group=<value optimized out>, is_member=<value optimized out>, 
    _callback_=<value optimized out>, _user_data_=0xe5d560) at tpf-persona.c:205
#8  0x0000000000497e1f in add_group_button_clicked_cb (button=<value optimized out>, self=0xe5d560) at empathy-groups-widget.c:251
#9  0x00007fffecae2d1e in g_closure_invoke (closure=0xe6e340, return_value=0x0, n_param_values=1, param_values=0xe26e80, 
    invocation_hint=0x7fffffffd590) at gclosure.c:766
#10 0x00007fffecafb329 in signal_emit_unlocked_R (node=0xb1dcc0, detail=<value optimized out>, instance=<value optimized out>, 
    emission_return=<value optimized out>, instance_and_params=<value optimized out>) at gsignal.c:3252
#11 0x00007fffecafcaa6 in g_signal_emit_valist (instance=0xe5d620, signal_id=<value optimized out>, detail=0, var_args=0x7fffffffd780)
    at gsignal.c:2983
#12 0x00007fffecafd2d3 in g_signal_emit (instance=0xc9b440, signal_id=14818624, detail=4294954720) at gsignal.c:3040
#13 0x00007fffefa47a55 in gtk_real_button_released (button=0xc9b440) at gtkbutton.c:1725
#14 0x00007fffecae2d1e in g_closure_invoke (closure=0xb20290, return_value=0x0, n_param_values=1, param_values=0xe68c40, 
    invocation_hint=0x7fffffffd9b0) at gclosure.c:766
#15 0x00007fffecafabe3 in signal_emit_unlocked_R (node=0xb20390, detail=<value optimized out>, instance=<value optimized out>, 
    emission_return=<value optimized out>, instance_and_params=<value optimized out>) at gsignal.c:3182
#16 0x00007fffecafcaa6 in g_signal_emit_valist (instance=0xe5d620, signal_id=<value optimized out>, detail=0, var_args=0x7fffffffdba0)
    at gsignal.c:2983
#17 0x00007fffecafd2d3 in g_signal_emit (instance=0xc9b440, signal_id=14818624, detail=4294954720) at gsignal.c:3040
#18 0x00007fffefa463e7 in gtk_button_button_release (widget=<value optimized out>, event=<value optimized out>) at gtkbutton.c:1617
#19 0x00007fffefb0a683 in _gtk_marshal_BOOLEAN__BOXED (closure=0xace0e0, return_value=0x7fffffffde60, n_param_values=<value optimized out>, 
    param_values=0xe27ca0, invocation_hint=<value optimized out>, marshal_data=0x7fffefa463b0) at gtkmarshalers.c:86
#20 0x00007fffecae2d1e in g_closure_invoke (closure=0xace0e0, return_value=0x7fffffffde60, n_param_values=2, param_values=0xe27ca0, 
    invocation_hint=0x7fffffffde20) at gclosure.c:766
#21 0x00007fffecafaf62 in signal_emit_unlocked_R (node=0xace480, detail=<value optimized out>, instance=<value optimized out>, 
---Type <return> to continue, or q <return> to quit---
    emission_return=<value optimized out>, instance_and_params=<value optimized out>) at gsignal.c:3290
#22 0x00007fffecafc8ec in g_signal_emit_valist (instance=0xe5d620, signal_id=<value optimized out>, detail=0, var_args=0x7fffffffe010)
    at gsignal.c:2993
#23 0x00007fffecafd2d3 in g_signal_emit (instance=0xc9b440, signal_id=14818624, detail=4294954720) at gsignal.c:3040
#24 0x00007fffefc3c07f in gtk_widget_event_internal (widget=0xe5d620, event=0xe46570) at gtkwidget.c:4973
#25 0x00007fffefb01373 in IA__gtk_propagate_event (widget=0xe5d620, event=0xe46570) at gtkmain.c:2460
#26 0x00007fffefb0252b in IA__gtk_main_do_event (event=0xe46570) at gtkmain.c:1665
#27 0x00007fffee76890c in gdk_event_dispatch (source=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>)
    at gdkevents-x11.c:2377
#28 0x00007fffec207e92 in g_main_dispatch (context=0x7368a0) at gmain.c:2119
#29 g_main_context_dispatch (context=0x7368a0) at gmain.c:2672
#30 0x00007fffec20bde8 in g_main_context_iterate (context=0x7368a0, block=<value optimized out>, dispatch=<value optimized out>, 
    self=<value optimized out>) at gmain.c:2750
#31 0x00007fffec20c2f5 in g_main_loop_run (loop=0xc9ef30) at gmain.c:2958
#32 0x00007fffefb029e7 in IA__gtk_main () at gtkmain.c:1237
#33 0x00000000004478a9 in main (argc=1, argv=0x7fffffffe5f8) at empathy.c:548

