#0  g_logv (log_domain=0x7ffff6fb0117 "Gtk", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=args@entry=0x7fffffffce18)
    at gmessages.c:974
#1  0x00007ffff4f54c32 in g_log (log_domain=log_domain@entry=0x7ffff6fb0117 "Gtk", log_level=log_level@entry=G_LOG_LEVEL_CRITICAL, 
    format=format@entry=0x7ffff4fbce9a "%s: assertion `%s' failed") at gmessages.c:1003
#2  0x00007ffff4f54c59 in g_return_if_fail_warning (log_domain=log_domain@entry=0x7ffff6fb0117 "Gtk", 
    pretty_function=pretty_function@entry=0x7ffff7081170 "gtk_widget_set_sensitive", 
    expression=expression@entry=0x7ffff6fb25a2 "GTK_IS_WIDGET (widget)") at gmessages.c:1012
#3  0x00007ffff6f5370b in gtk_widget_set_sensitive (widget=0x0, sensitive=1) at gtkwidget.c:7844
#4  0x00007ffff543bc34 in g_cclosure_marshal_VOID__OBJECTv (closure=0xcfac20, return_value=<optimized out>, instance=0xd1ce60, 
    args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0xd1ddd0) at gmarshal.c:1312
#5  0x00007ffff54389e3 in _g_closure_invoke_va (closure=closure@entry=0xcfac20, return_value=return_value@entry=0x0, 
    instance=instance@entry=0xd1ce60, args=args@entry=0x7fffffffd228, n_params=1, param_types=0xd1ddd0) at gclosure.c:840
#6  0x00007ffff5452035 in g_signal_emit_valist (instance=0xd1ce60, signal_id=<optimized out>, detail=0, 
    var_args=var_args@entry=0x7fffffffd228) at gsignal.c:3211
#7  0x00007ffff54526e2 in g_signal_emit (instance=instance@entry=0xd1ce60, signal_id=<optimized out>, detail=detail@entry=0)
    at gsignal.c:3356
#8  0x00007ffff6d043b8 in refresh_and_emit_app_selected (self=0xd1ce60, selection=<optimized out>) at gtkappchooserwidget.c:162
#9  0x00007ffff54389e3 in _g_closure_invoke_va (closure=closure@entry=0xd21830, return_value=return_value@entry=0x0, 
    instance=instance@entry=0x7fffe0004320, args=args@entry=0x7fffffffd5f8, n_params=0, param_types=0x0) at gclosure.c:840
#10 0x00007ffff5452035 in g_signal_emit_valist (instance=0x7fffe0004320, signal_id=<optimized out>, detail=0, 
    var_args=var_args@entry=0x7fffffffd5f8) at gsignal.c:3211
#11 0x00007ffff54526e2 in g_signal_emit (instance=instance@entry=0x7fffe0004320, signal_id=<optimized out>, detail=detail@entry=0)
    at gsignal.c:3356
#12 0x00007ffff6f1031d in _gtk_tree_selection_internal_select_node (selection=selection@entry=0x7fffe0004320, node=<optimized out>, 
    tree=<optimized out>, path=path@entry=0xd28780, mode=<optimized out>, override_browse_mode=override_browse_mode@entry=0)
    at gtktreeselection.c:1604
#13 0x00007ffff6f10879 in gtk_tree_selection_select_path (selection=selection@entry=0x7fffe0004320, path=path@entry=0xd28780)
    at gtktreeselection.c:907
#14 0x00007ffff6f10951 in gtk_tree_selection_select_iter (selection=0x7fffe0004320, iter=iter@entry=0x7fffffffd7b0)
    at gtktreeselection.c:985
#15 0x00007ffff6d03ff4 in gtk_app_chooser_widget_select_first (self=0xd1ce60) at gtkappchooserwidget.c:700
#16 gtk_app_chooser_widget_real_add_items (self=0xd1ce60) at gtkappchooserwidget.c:780
#17 0x00000000004ce8c5 in nautilus_mime_application_chooser_build_ui (chooser=0xd1cc00) at nautilus-mime-application-chooser.c:352
#18 nautilus_mime_application_chooser_constructed (object=<optimized out>) at nautilus-mime-application-chooser.c:413
#19 0x00007ffff543f583 in g_object_newv (object_type=1, object_type@entry=13750464, n_parameters=n_parameters@entry=3, 
    parameters=parameters@entry=0xd1d5c0) at gobject.c:1746
#20 0x00007ffff543f900 in g_object_new_valist (object_type=object_type@entry=13750464, 
    first_property_name=first_property_name@entry=0x5009e7 "uri", var_args=var_args@entry=0x7fffffffd9c8) at gobject.c:1835
#21 0x00007ffff543fc34 in g_object_new (object_type=13750464, first_property_name=first_property_name@entry=0x5009e7 "uri")
    at gobject.c:1550
#22 0x00000000004cef63 in nautilus_mime_application_chooser_new (uri=0xd1d090 "afp://DiskStation.local/", files=0x0, 
    mime_type=mime_type@entry=0xd1bfd0 "application/octet-stream") at nautilus-mime-application-chooser.c:513
#23 0x000000000045ffe0 in create_open_with_page (window=0xd18000) at nautilus-properties-window.c:4636
#24 create_properties_window (startup_data=0xc54ed0) at nautilus-properties-window.c:4742
#25 is_directory_ready_callback (data=0xc54ed0, file=<optimized out>) at nautilus-properties-window.c:4883
#26 is_directory_ready_callback (file=<optimized out>, data=0xc54ed0) at nautilus-properties-window.c:4871
#27 0x00000000004a9b7c in call_ready_callbacks_at_idle (callback_data=<optimized out>) at nautilus-directory-async.c:1871
#28 0x00007ffff4f4d875 in g_main_dispatch (context=0x79b6b0) at gmain.c:2707
#29 g_main_context_dispatch (context=context@entry=0x79b6b0) at gmain.c:3211
#30 0x00007ffff4f4dba8 in g_main_context_iterate (context=context@entry=0x79b6b0, block=block@entry=1, dispatch=dispatch@entry=1, 
    self=<optimized out>) at gmain.c:3282
#31 0x00007ffff4f4dc64 in g_main_context_iteration (context=0x79b6b0, context@entry=0x0, may_block=may_block@entry=1) at gmain.c:3343
#32 0x00007ffff591d79c in g_application_run (application=0x772030, argc=argc@entry=2, argv=argv@entry=0x7fffffffde38)
    at gapplication.c:1607
#33 0x000000000042b6cb in main (argc=2, argv=0x7fffffffde38) at nautilus-main.c:103
