#0  0x0000000000000000 in ?? ()
#1  0x00007ff748c561da in g_hash_table_lookup_node (hash_return=<synthetic pointer>, key=0x63, hash_table=0x5625cfcdd120) at ../../../glib/ghash.c:472
  [Error: ghash.c was not found in source tree]
#2  g_hash_table_lookup (hash_table=0x5625cfcdd120, key=key@entry=0x63) at ../../../glib/ghash.c:1538
  [Error: ghash.c was not found in source tree]
#3  0x00007ff7490b4468 in lookup_cached_xatom (atom=0x63, display=0x5625cfcb20e0) at x11/../../../../../gdk/x11/gdkproperty-x11.c:76
  [Error: gdkproperty-x11.c was not found in source tree]
#4  lookup_cached_xatom (atom=0x63, display=0x5625cfcb20e0) at x11/../../../../../gdk/x11/gdkproperty-x11.c:67
  [Error: gdkproperty-x11.c was not found in source tree]
#5  gdk_x11_atom_to_xatom_for_display (display=0x5625cfcb20e0, atom=0x63) at x11/../../../../../gdk/x11/gdkproperty-x11.c:109
  [Error: gdkproperty-x11.c was not found in source tree]
#6  0x00007ff7490bb453 in gdk_x11_get_server_time (window=0x5625cfe7e750) at x11/../../../../../gdk/x11/gdkwindow-x11.c:5615
  [Error: gdkwindow-x11.c was not found in source tree]
#7  0x00005625cf227cde in invoke (cmd=0x5625cf22fed0 "/usr/lib/update-notifier/backend_helper.py show_updates", desktop=<optimized out>, with_pkexec=<optimized out>) at update-notifier.c:171
  166:       gtk_widget_realize (w);
  167:    }
  168: 
  169:    // normal launch
  170:    context = gdk_display_get_app_launch_context (gdk_display_get_default ());
  171:    guint32 timestamp =  gdk_x11_get_server_time (gtk_widget_get_window (w));
  172:    appinfo = g_app_info_create_from_commandline(cmd, 
  173: 						cmd, 
  174: 						G_APP_INFO_CREATE_NONE,
  175: 						&error);
  176:    gdk_app_launch_context_set_timestamp (context, timestamp);
#8  0x00007ff748d6ad8f in g_closure_invoke (closure=0x5625cfed72b0, return_value=0x0, n_param_values=1, param_values=0x7ffe787b6ed0, invocation_hint=0x7ffe787b6e50) at ../../../gobject/gclosure.c:830
  [Error: gclosure.c was not found in source tree]
#9  0x00007ff748d86bd6 in signal_emit_unlocked_R (node=node@entry=0x5625cfd3a660, detail=detail@entry=0, instance=instance@entry=0x5625cfcfe190, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffe787b6ed0) at ../../../gobject/gsignal.c:3744
  [Error: gsignal.c was not found in source tree]
#10 0x00007ff748d885b4 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffe787b7080) at ../../../gobject/gsignal.c:3497
  [Error: gsignal.c was not found in source tree]
#11 0x00007ff748d88803 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at ../../../gobject/gsignal.c:3554
  [Error: gsignal.c was not found in source tree]
#12 0x00007ff7493a38d2 in gtk_menu_item_activate (menu_item=<optimized out>) at ../../../../gtk/gtkmenuitem.c:1620
  [Error: gtkmenuitem.c was not found in source tree]
#13 0x00007ff748125914 in item_activated (item=<optimized out>, timestamp=<optimized out>, user_data=0x5625cfcfe190) at ../../../libdbusmenu-gtk/parser.c:1168
  [Error: parser.c was not found in source tree]
#14 0x00007ff748d6ad8f in g_closure_invoke (closure=0x5625cfefcdd0, return_value=0x0, n_param_values=2, param_values=0x7ffe787b7320, invocation_hint=0x7ffe787b72a0) at ../../../gobject/gclosure.c:830
  [Error: gclosure.c was not found in source tree]
#15 0x00007ff748d86bd6 in signal_emit_unlocked_R (node=node@entry=0x5625cfeef5f0, detail=detail@entry=0, instance=instance@entry=0x5625cff382e0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffe787b7320) at ../../../gobject/gsignal.c:3744
  [Error: gsignal.c was not found in source tree]
#16 0x00007ff748d885b4 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffe787b74f0) at ../../../gobject/gsignal.c:3497
  [Error: gsignal.c was not found in source tree]
#17 0x00007ff748d88803 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../../../gobject/gsignal.c:3554
  [Error: gsignal.c was not found in source tree]
#18 0x00007ff7481096ce in dbusmenu_menuitem_handle_event (mi=0x5625cff382e0, name=0x5625cff502f0 "clicked", variant=0x5625cfec8a30, timestamp=0) at ../../../libdbusmenu-glib/menuitem.c:1767
  [Error: menuitem.c was not found in source tree]
#19 0x00007ff74810976b in event_local_handler (user_data=0x5625cfe05d00, user_data@entry=<error reading variable: value has been optimized out>) at ../../../libdbusmenu-glib/server.c:1654
  [Error: server.c was not found in source tree]
#20 0x00007ff748c73288 in g_timeout_dispatch (source=0x5625d0108690, callback=<optimized out>, user_data=<optimized out>) at ../../../glib/gmain.c:4965
  [Error: gmain.c was not found in source tree]
#21 0x00007ff748c72c04 in g_main_dispatch (context=0x5625cfcc6180) at ../../../glib/gmain.c:3413
  [Error: gmain.c was not found in source tree]
#22 g_main_context_dispatch (context=0x5625cfcc6180) at ../../../glib/gmain.c:4131
  [Error: gmain.c was not found in source tree]
#23 0x00007ff748cc7498 in g_main_context_iterate.constprop.0 (context=0x5625cfcc6180, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4207
  [Error: gmain.c was not found in source tree]
#24 0x00007ff748c72283 in g_main_loop_run (loop=0x5625cfe53940) at ../../../glib/gmain.c:4405
  [Error: gmain.c was not found in source tree]
#25 0x00007ff74938cc0d in gtk_main () at ../../../../gtk/gtkmain.c:1329
  [Error: gtkmain.c was not found in source tree]
#26 0x00005625cf2270fb in main (argc=<optimized out>, argv=<optimized out>) at update-notifier.c:649
  644: 	monitor_init (un);
  645: 
  646: 	/* Start the main gtk loop */
  647: 	g_unix_signal_add_full (G_PRIORITY_DEFAULT, SIGINT, sigint_cb,
  648: 				NULL, NULL);
  649: 	gtk_main ();
  650: 
  651: 	return 0;
  652: }