Core was generated by `nautilus'.
Program terminated with signal 11, Segmentation fault.
#0  0x00000000436d84c1 in gtk_widget_get_allocated_width (widget=0x0) at gtkwidget.c:14934
14934	gtkwidget.c: No such file or directory.
(gdb) bt
#0  0x00000000436d84c1 in gtk_widget_get_allocated_width (widget=0x0) at gtkwidget.c:14934
#1  0x0000000043579ce3 in gtk_overlay_get_main_widget_allocation (overlay=0x4e4b0580, main_alloc_out=0x7fffffff7978) at gtkoverlay.c:210
#2  0x00000000435798b7 in gtk_overlay_get_child_position (overlay=0x4e4b0580, widget=0x5fc0c130, alloc=0x7fffffff8500) at gtkoverlay.c:340
#3  0x0000000043526ee5 in _gtk_marshal_BOOLEAN__OBJECT_BOXED (closure=0x4e680860, return_value=0x7fffffff7c78, n_param_values=3, param_values=0x7fffffff7d20, invocation_hint=0x7fffffff7cc0, 
    marshal_data=0x43579890 <gtk_overlay_get_child_position>) at gtkmarshalers.c:1028
#4  0x00000000478d0df8 in g_type_class_meta_marshal (closure=0x4e680860, return_value=0x7fffffff7c78, n_param_values=3, param_values=0x7fffffff7d20, invocation_hint=0x7fffffff7cc0, 
    marshal_data=0x3f0) at gclosure.c:961
#5  0x00000000478d02ea in g_closure_invoke (closure=0x4e680860, return_value=0x7fffffff7c78, n_param_values=3, param_values=0x7fffffff7d20, invocation_hint=0x7fffffff7cc0) at gclosure.c:768
#6  0x00000000478f3f9a in signal_emit_unlocked_R (node=0x4e73d860, detail=0, instance=0x4e4b0580, emission_return=0x7fffffff80f8, instance_and_params=0x7fffffff7d20) at gsignal.c:3589
#7  0x00000000478f5ae7 in g_signal_emit_valist (instance=0x4e4b0580, signal_id=336, detail=0, var_args=0x7fffffff84a0) at gsignal.c:3317
#8  0x00000000478f638f in g_signal_emit (instance=0x4e4b0580, signal_id=336, detail=0) at gsignal.c:3363
#9  0x0000000043578d4a in gtk_overlay_compute_child_allocation (overlay=0x4e4b0580, child=0x5fc914c0, window_allocation=0x7fffffff85b8, widget_allocation=0x0) at gtkoverlay.c:93
#10 0x0000000043578c46 in gtk_overlay_create_child_window (overlay=0x4e4b0580, child=0x5fc914c0) at gtkoverlay.c:136
#11 0x0000000043579362 in gtk_overlay_realize (widget=0x4e4b0580) at gtkoverlay.c:410
#12 0x00000000478d4789 in g_cclosure_marshal_VOID__VOIDv (closure=0x4e4c3060, return_value=0x0, instance=0x4e4b0580, args=0x7fffffff8f60, marshal_data=0x435792e0 <gtk_overlay_realize>, 
    n_params=0, param_types=0x0) at gmarshal.c:115
#13 0x00000000478d1207 in g_type_class_meta_marshalv (closure=0x4e4c3060, return_value=0x0, instance=0x4e4b0580, args=0x7fffffff8f60, marshal_data=0xc8, n_params=0, param_types=0x0)
    at gclosure.c:988
#14 0x00000000478d06ec in _g_closure_invoke_va (closure=0x4e4c3060, return_value=0x0, instance=0x4e4b0580, args=0x7fffffff8f60, n_params=0, param_types=0x0) at gclosure.c:831
#15 0x00000000478f4ad3 in g_signal_emit_valist (instance=0x4e4b0580, signal_id=21, detail=0, var_args=0x7fffffff8f60) at gsignal.c:3215
#16 0x00000000478f638f in g_signal_emit (instance=0x4e4b0580, signal_id=21, detail=0) at gsignal.c:3363
#17 0x00000000436cd832 in gtk_widget_realize (widget=0x4e4b0580) at gtkwidget.c:5055
#18 0x00000000436cd6a2 in gtk_widget_map (widget=0x4e4b0580) at gtkwidget.c:4590
#19 0x0000000043443e05 in gtk_container_map_child (child=0x4e4b0580, client_data=0x0) at gtkcontainer.c:3439
#20 0x00000000433e3dbf in gtk_box_forall (container=0x5e63ba90, include_internals=1, callback=0x43443db0 <gtk_container_map_child>, callback_data=0x0) at gtkbox.c:2541
#21 0x0000000043440291 in gtk_container_forall (container=0x5e63ba90, callback=0x43443db0 <gtk_container_map_child>, callback_data=0x0) at gtkcontainer.c:2187
#22 0x0000000043443124 in gtk_container_map (widget=0x5e63ba90) at gtkcontainer.c:3447
#23 0x00000000478d46bc in g_cclosure_marshal_VOID__VOID (closure=0x4e485fa0, return_value=0x0, n_param_values=1, param_values=0x7fffffff9440, invocation_hint=0x7fffffff93e0, 
    marshal_data=0x434430f0 <gtk_container_map>) at gmarshal.c:85
#24 0x00000000478d0df8 in g_type_class_meta_marshal (closure=0x4e485fa0, return_value=0x0, n_param_values=1, param_values=0x7fffffff9440, invocation_hint=0x7fffffff93e0, marshal_data=0xb8)
    at gclosure.c:961
#25 0x00000000478d02ea in g_closure_invoke (closure=0x4e485fa0, return_value=0x0, n_param_values=1, param_values=0x7fffffff9440, invocation_hint=0x7fffffff93e0) at gclosure.c:768
#26 0x00000000478f3a3d in signal_emit_unlocked_R (node=0x4e4ad820, detail=0, instance=0x5e63ba90, emission_return=0x0, instance_and_params=0x7fffffff9440) at gsignal.c:3481
#27 0x00000000478f5a4f in g_signal_emit_valist (instance=0x5e63ba90, signal_id=19, detail=0, var_args=0x7fffffff9b90) at gsignal.c:3307
#28 0x00000000478f638f in g_signal_emit (instance=0x5e63ba90, signal_id=19, detail=0) at gsignal.c:3363
#29 0x00000000436cd6bb in gtk_widget_map (widget=0x5e63ba90) at gtkwidget.c:4592
#30 0x00000000436d3f35 in gtk_widget_set_child_visible (widget=0x5e63ba90, is_visible=1) at gtkwidget.c:9992
#31 0x00000000435703b8 in gtk_notebook_real_switch_page (notebook=0x5e481b30, child=0x5e63ba90, page_num=1) at gtknotebook.c:6743
#32 0x00000000435329ea in _gtk_marshal_VOID__OBJECT_UINT (closure=0x4e4c98a0, return_value=0x0, n_param_values=3, param_values=0x7fffffff9ff0, invocation_hint=0x7fffffff9f90, 
    marshal_data=0x43570230 <gtk_notebook_real_switch_page>) at gtkmarshalers.c:6000
#33 0x00000000478d0df8 in g_type_class_meta_marshal (closure=0x4e4c98a0, return_value=0x0, n_param_values=3, param_values=0x7fffffff9ff0, invocation_hint=0x7fffffff9f90, marshal_data=0x3d0)
    at gclosure.c:961
#34 0x00000000478d02ea in g_closure_invoke (closure=0x4e4c98a0, return_value=0x0, n_param_values=3, param_values=0x7fffffff9ff0, invocation_hint=0x7fffffff9f90) at gclosure.c:768
#35 0x00000000478f3f9a in signal_emit_unlocked_R (node=0x4e4cc6a0, detail=0, instance=0x5e481b30, emission_return=0x0, instance_and_params=0x7fffffff9ff0) at gsignal.c:3589
#36 0x00000000478f5a4f in g_signal_emit_valist (instance=0x5e481b30, signal_id=103, detail=0, var_args=0x7fffffffa770) at gsignal.c:3307
#37 0x00000000478f638f in g_signal_emit (instance=0x5e481b30, signal_id=103, detail=0) at gsignal.c:3363
#38 0x00000000435641a0 in gtk_notebook_switch_page (notebook=0x5e481b30, page=0x5fc18850) at gtknotebook.c:6785
#39 0x0000000043564127 in gtk_notebook_set_current_page (notebook=0x5e481b30, page_num=1) at gtknoteb
