#0  g_type_check_instance_cast (type_instance=type_instance@entry=0x188f800, iface_type=25005616) at /build/buildd/glib2.0-2.33.14/./gobject/gtype.c:3997
        node = 0x7fff6d7dbb10
        iface = 0x0
        is_instantiatable = <optimized out>
        check = <optimized out>
#1  0x00007f37f3954d1b in settings_notify_cb (settings=0x165fa80, pspec=0x165f990, data=0x188f800) at /build/buildd/libdbusmenu-12.10.1/./libdbusmenu-gtk/parser.c:1327
        prop_value = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        mi = <optimized out>
        __PRETTY_FUNCTION__ = "settings_notify_cb"
#2  0x00007f3812890300 in g_closure_invoke (closure=0x1c530e0, return_value=0x0, n_param_values=2, param_values=0x7fff6d7dbb70, invocation_hint=0x7fff6d7dbb10) at /build/buildd/glib2.0-2.33.14/./gobject/gclosure.c:777
        marshal = 0x7f3812893260 <g_cclosure_marshal_VOID__PARAM>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x1c530c0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#3  0x00007f38128a2370 in signal_emit_unlocked_R (node=node@entry=0x15f9530, detail=detail@entry=700, instance=instance@entry=0x165fa80, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff6d7dbb70) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3551
        tmp = <optimized out>
        handler = 0x19d0500
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x165fa80, ihint = {signal_id = 1, detail = 700, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x15f94a0
        hlist = 0x1c61f80
        handler_list = 0x1c61f80
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 1
        max_sequential_handler_number = 11061
        return_value_altered = 1
#4  0x00007f38128aa601 in g_signal_emit_valist (instance=0x165fa80, signal_id=<optimized out>, detail=700, var_args=var_args@entry=0x7fff6d7dbdc8) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3300
        instance_and_params = 0x7fff6d7dbb70
        signal_return_type = 4
        param_values = 0x7fff6d7dbb88
        node = 0x15f9530
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#5  0x00007f38128aa852 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:3356
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff6d7dbea0, reg_save_area = 0x7fff6d7dbde0}}
#6  0x00007f3812894e35 in g_object_dispatch_properties_changed (object=0x165fa80, n_pspecs=25005616, pspecs=0x188f800) at /build/buildd/glib2.0-2.33.14/./gobject/gobject.c:1041
No locals.
#7  0x00007f38128968eb in g_object_notify_by_spec_internal (pspec=0x165f990, object=0x165fa80) at /build/buildd/glib2.0-2.33.14/./gobject/gobject.c:1135
        nqueue = 0x0
        notify_pspec = 0x165f990
#8  g_object_notify (object=0x165fa80, property_name=property_name@entry=0x7f38150d2d2f "gtk-shell-shows-app-menu") at /build/buildd/glib2.0-2.33.14/./gobject/gobject.c:1177
        pspec = 0x165f990
        __PRETTY_FUNCTION__ = "g_object_notify"
#9  0x00007f3814f9cb83 in _gtk_settings_handle_event (event=<optimized out>) at /build/buildd/gtk+3.0-3.5.18/./gtk/gtksettings.c:2592
        screen = 0x164c110
        settings = 0x165fa80
        pspec = <optimized out>
        property_id = <optimized out>
#10 0x00007f3814f14f7d in gtk_main_do_event (event=0x19982d0) at /build/buildd/gtk+3.0-3.5.18/./gtk/gtkmain.c:1499
        event_widget = <optimized out>
        grab_widget = 0x0
        topmost_widget = 0x0
        window_group = <optimized out>
        rewritten_event = 0x0
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#11 0x00007f3814b31032 in gdk_event_source_dispatch (source=source@entry=0x1659530, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.5.18/./gdk/x11/gdkeventsource.c:358
        display = <optimized out>
        event = 0x19982d0
#12 0x00007f38125d0bb5 in g_main_dispatch (context=0x1632510) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:2715
        dispatch = 0x7f3814b31010 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x1659530, next = 0x0}
        need_destroy = <optimized out>
        source = 0x1659530
        current = 0x1661360
        i = <optimized out>
#13 g_main_context_dispatch (context=context@entry=0x1632510) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3219
No locals.
#14 0x00007f38125d0ee8 in g_main_context_iterate (context=context@entry=0x1632510, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3290
        max_priority = 2147483647
        timeout = 205
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x160c6a0
#15 0x00007f38125d0fa4 in g_main_context_iteration (context=0x1632510, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.33.14/./glib/gmain.c:3351
        retval = <optimized out>
#16 0x00007f3812b7370c in g_application_run (application=0x160b030, argc=argc@entry=2, argv=argv@entry=0x7fff6d7dc208) at /build/buildd/glib2.0-2.33.14/./gio/gapplication.c:1607
        arguments = 0x15fa080
        status = 8
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#17 0x000000000042bce9 in main (argc=2, argv=0x7fff6d7dc208) at nautilus-main.c:101
        retval = <optimized out>
        application = 0x160b030