#0  0x00007f8592fb2214 in type_check_is_value_type_U (type=12297829382473034410) at /build/buildd/glib2.0-2.29.92/./gobject/gtype.c:4084
        tflags = G_TYPE_FLAG_VALUE_ABSTRACT
        node = <optimized out>
#1  g_type_check_value_holds (value=0x7087a8, type=72) at /build/buildd/glib2.0-2.29.92/./gobject/gtype.c:4133
No locals.
#2  0x00007f8592f8a569 in g_value_get_boxed (value=0x7087a8) at /build/buildd/glib2.0-2.29.92/./gobject/gboxed.c:417
        __val = 0x7087a8
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
        __PRETTY_FUNCTION__ = "g_value_get_boxed"
#3  0x00007f85944fd48b in gtk_widget_draw_marshaller (closure=0x8007b0, return_value=0x7fffff734e00, n_param_values=2, param_values=0x708790, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkwidget.c:815
        cr = <optimized out>
#4  0x00007f8592f8c254 in g_closure_invoke (closure=0x8007b0, return_value=0x7fffff734e00, n_param_values=2, param_values=0x708790, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.29.92/./gobject/gclosure.c:774
        marshal = 0x7f85944fd450 <gtk_widget_draw_marshaller>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#5  0x00007f8592f9f6c7 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x806050, emission_return=0x7fffff734f40, instance_and_params=0x708790) at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3342
        tmp = <optimized out>
        handler = 0x7f858400e730
        accumulator = 0x703480
        emission = {next = 0x0, instance = 0x806050, ihint = {signal_id = 20, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x703370
        hlist = 0x703480
        handler_list = 0x7f858400e730
        return_accu = 0x7fffff734e00
        accu = {g_type = 20, 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 = 20
        max_sequential_handler_number = 412
        return_value_altered = 1
#6  0x00007f8592fa89a6 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fffff734fa8) at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3013
        return_value = {g_type = 20, 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}}}
        error = 0x0
        rtype = 20
        static_scope = 0
        instance_and_params = 0x708790
        signal_return_type = 20
        param_values = 0x7087a8
        node = 0x703420
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#7  0x00007f8592fa8ce2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3060
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffff735080, reg_save_area = 0x7fffff734fc0}}
#8  0x00007f859451020a in _gtk_widget_draw_internal (clip_to_size=1, cr=0x7f8592c839e0, widget=0x806050) at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkwidget.c:5721
        result = 32645
        context = <optimized out>
#9  _gtk_widget_draw_internal (widget=0x806050, cr=0x7f8592c839e0, clip_to_size=<optimized out>) at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkwidget.c:5697
No locals.
#10 0x00007f8594510351 in gtk_widget_send_expose (widget=0x806050, event=<optimized out>) at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkwidget.c:5968
        cr = 0x7f8592c839e0
        x = 0
        y = 0
        do_clip = 1
        __PRETTY_FUNCTION__ = "gtk_widget_send_expose"
#11 0x00007f85943b7804 in gtk_main_do_event (event=0x7fffff735150) at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkmain.c:1806
        event_widget = 0x806050
        grab_widget = 0x806050
        window_group = 0x7f858408dd30
        rewritten_event = <optimized out>
        device = 0x0
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#12 0x00007f8593ff9b07 in _gdk_window_process_updates_recurse (window=0x87f000, expose_region=0x7f858405b960) at /build/buildd/gtk+3.0-3.1.90/./gdk/gdkwindow.c:3857
        event = {type = GDK_EXPOSE, any = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000'}, expose = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', area = {x = 1260, y = 0, width = 60, height = 32}, region = 0x7f858405b960, count = 0}, visibility = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', state = 1260}, motion = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', time = 1260, x = 1.2731974745791634e-312, y = 6.9272552596077125e-310, axes = 0x7f858405b960, state = 0, is_hint = 32645, device = 0x7f858405a098, x_root = 0, y_root = 1.2307575587647986e-312}, button = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', time = 1260, x = 1.2731974745791634e-312, y = 6.9272552596077125e-310, axes = 0x7f858405b960, state = 0, button = 32645, device = 0x7f858405a098, x_root = 0, y_root = 1.2307575587647986e-312}, scroll = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', time = 1260, x = 1.2731974745791634e-312, y = 6.9272552596077125e-310, state = 2214967648, direction = 32645, device = 0x7f8500000000, x_root = 6.9273646932348489e-310, y_root = 0}, key = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', time = 1260, state = 0, keyval = 60, length = 32, string = 0x7f858405b960 "\001", hardware_keycode = 0, group = 0 '\000', is_modifier = 0}, crossing = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', subwindow = 0x3c00000000, time = 32, x = 6.9273646935482841e-310, y = 6.9272552596061315e-310, x_root = 6.9273646932348489e-310, y_root = 0, mode = GDK_CROSSING_GRAB, detail = 58, focus = -2079999648, state = 32645}, focus_change = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', in = 0}, configure = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', x = 1260, y = 0, width = 60, height = 32}, property = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', atom = 0x3c00000000, time = 32, state = 32645}, selection = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', selection = 0x3c00000000, target = 0x7f8500000020, property = 0x7f858405b960, time = 0, requestor = 0x7f858405a098}, owner_change = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', owner = 0x3c00000000, reason = 32, selection = 0x7f858405b960, time = 0, selection_time = 32645}, proximity = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', time = 1260, device = 0x3c00000000}, dnd = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', context = 0x3c00000000, time = 32, x_root = 32645, y_root = 0}, window_state = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', changed_mask = 1260, new_window_state = 0}, setting = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', action = 1260, name = 0x3c00000000 <Address 0x3c00000000 out of bounds>}, grab_broken = {type = GDK_EXPOSE, window = 0x87f000, send_event = 0 '\000', keyboard = 1260, implicit = 0, grab_window = 0x7f8500000020}}
        child = <optimized out>
        child_region = <optimized out>
        r = {x = -2080006000, y = 32645, width = -1895912876, height = 32645}
        l = <optimized out>
        children = 0x7f857c016480
#13 0x00007f8593ff9aa3 in _gdk_window_process_updates_recurse (window=0x732ea0, expose_region=0x7f858405a090) at /build/buildd/gtk+3.0-3.1.90/./gdk/gdkwindow.c:3830
        child = 0x87f000
        child_region = 0x7f858405b960
        r = {x = 0, y = 0, width = 1366, height = 32}
        l = 0x7f857c016460
        children = 0x7f857c016420
#14 0x00007f8593ff9aa3 in _gdk_window_process_updates_recurse (window=0x732d80, expose_region=0x7f858405b930) at /build/buildd/gtk+3.0-3.1.90/./gdk/gdkwindow.c:3830
        child = 0x732ea0
        child_region = 0x7f858405a090
        r = {x = 0, y = 0, width = 1366, height = 768}
        l = 0x7f857c016400
        children = 0x7f857c016400
#15 0x00007f8593ff90df in gdk_window_process_updates_internal (window=0x732d80) at /build/buildd/gtk+3.0-3.1.90/./gdk/gdkwindow.c:4013
        expose_region = 0x7f858405b930
        update_area = 0x7f858407d8d0
        impl_class = 0x72cc10
        save_region = 0
        clip_box = {x = 74, y = 0, width = 1246, height = 405}
#16 0x00007f8593ff9578 in gdk_window_process_all_updates () at /build/buildd/gtk+3.0-3.1.90/./gdk/gdkwindow.c:4144
        window = 0x732d80
        old_update_windows = 0x7f857c01e7c0
        tmp_list = 0x7f857c01e7c0
        in_process_all_updates = 1
        got_recursive_update = 0
#17 0x00007f85943228b9 in gtk_container_idle_sizer (data=<optimized out>) at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkcontainer.c:1682
No locals.
#18 0x00007f8593fdea9f in gdk_threads_dispatch (data=<optimized out>) at /build/buildd/gtk+3.0-3.1.90/./gdk/gdk.c:754
        dispatch = 0x7f857c00d860
        ret = 0
#19 0x00007f8592ccbb4d in g_main_dispatch (context=0x72c7a0) at /build/buildd/glib2.0-2.29.92/./glib/gmain.c:2441
        dispatch = 0x7f8592cc7880 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x7f857c00d860
        callback = 0x7f8593fdea70 <gdk_threads_dispatch>
        cb_funcs = 0x7f8592f7b670
        cb_data = 0x922710
        current_source_link = {data = 0x923470, next = 0x0}
        need_destroy = <optimized out>
        source = 0x923470
        current = 0x7e3430
        i = <optimized out>
#20 g_main_context_dispatch (context=0x72c7a0) at /build/buildd/glib2.0-2.29.92/./glib/gmain.c:3011
No locals.
#21 0x00007f8592ccc348 in g_main_context_iterate (context=0x72c7a0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.92/./glib/gmain.c:3089
        max_priority = 110
        timeout = 0
        some_ready = 1
        nfds = 5
        allocated_nfds = <optimized out>
        fds = <optimized out>
#22 0x00007f8592ccc882 in g_main_loop_run (loop=0x86f6c0) at /build/buildd/glib2.0-2.29.92/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#23 0x00007f85943b689d in gtk_main () at /build/buildd/gtk+3.0-3.1.90/./gtk/gtkmain.c:1367
        loop = 0x86f6c0
#24 0x000000000040a3b5 in unity_greeter_main (args=0x7fffff735718, args_length1=1) at unity-greeter.c:1942
        result = 0
        _tmp0_ = <optimized out>
        _tmp1_ = <optimized out>
        _tmp2_ = <optimized out>
        _tmp3_ = <optimized out>
        _tmp4_ = <optimized out>
        _tmp5_ = <optimized out>
        _tmp6_ = <optimized out>
        _tmp7_ = 0x74a880
        c = 0x74a880
        _tmp8_ = 0x74a880
        _tmp9_ = 0x74a880
        _tmp10_ = <optimized out>
        _tmp20_ = <optimized out>
        _tmp22_ = <optimized out>
        _tmp23_ = <optimized out>
        _tmp28_ = <optimized out>
        _tmp29_ = 0x7430a0
        settings = 0x7430a0
        _tmp30_ = <optimized out>
        value = 0x76cb20 "rgb"
        _tmp31_ = <optimized out>
        _tmp34_ = <optimized out>
        _tmp35_ = <optimized out>
        _tmp38_ = <optimized out>
        _tmp39_ = <optimized out>
        _tmp42_ = <optimized out>
        _tmp43_ = <optimized out>
        _tmp47_ = <optimized out>
        _tmp48_ = <optimized out>
        _tmp53_ = <optimized out>
        _tmp54_ = <optimized out>
        _tmp57_ = 0x76cb20 "rgb"
        _tmp58_ = 0x76cb20 "rgb"
        _tmp61_ = 0x742720
        greeter = 0x742720
        _tmp62_ = 0x742720
        _tmp63_ = 0x8a2c70
        exec = 0x8a2c70
        _tmp64_ = 0x8a2c70
        _tmp65_ = <optimized out>
        _tmp66_ = <optimized out>
        _inner_error_ = 0x0
#25 0x00007f859242e30d in __libc_start_main (main=0x4072b0 <main>, argc=1, ubp_av=0x7fffff735718, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffff735708) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5691791664055542396, 4223696, 140737479137040, 0, 0, 5691792666081140100, 5623189602704596356}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x412400, 0x7fffff735718}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4269056}}}
        not_first_call = <optimized out>
#26 0x00000000004072f9 in _start ()
No symbol table info available.