#0  0x0000000000000000 in ?? ()
#1  0x00007f2db33c549a in g_hash_table_lookup_node (hash_return=<synthetic pointer>, key=0x48, hash_table=0x55c458170c60) at ../../../glib/ghash.c:475
  [Error: ghash.c was not found in source tree]
#2  g_hash_table_lookup (hash_table=0x55c458170c60, key=key@entry=0x48) at ../../../glib/ghash.c:1542
  [Error: ghash.c was not found in source tree]
#3  0x00007f2db379a7f0 in lookup_cached_xatom (atom=0x48, display=0x55c458150c50) at ../../../gdk/x11/gdkproperty-x11.c:76
  [Error: gdkproperty-x11.c was not found in source tree]
#4  lookup_cached_xatom (atom=0x48, display=0x55c458150c50) at ../../../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=0x55c458150c50, atom=0x48) at ../../../gdk/x11/gdkproperty-x11.c:109
  [Error: gdkproperty-x11.c was not found in source tree]
#6  0x00007f2db37a3ec1 in gdk_x11_get_server_time (window=0x55c458304990) at ../../../gdk/x11/gdkwindow-x11.c:5637
  [Error: gdkwindow-x11.c was not found in source tree]
#7  0x000055c45741fe4d in invoke (cmd=0x55c4574282f8 "/usr/lib/update-notifier/backend_helper.py show_updates", desktop=<optimized out>, with_pkexec=<optimized out>) at update-notifier.c:172
  167:       gtk_widget_realize (w);
  168:    }
  169: 
  170:    // normal launch
  171:    context = gdk_display_get_app_launch_context (gdk_display_get_default ());
  172:    guint32 timestamp =  gdk_x11_get_server_time (gtk_widget_get_window (w));
  173:    appinfo = g_app_info_create_from_commandline(cmd, 
  174: 						cmd, 
  175: 						G_APP_INFO_CREATE_NONE,
  176: 						&error);
  177:    gdk_app_launch_context_set_timestamp (context, timestamp);
#8  0x00007f2db34e4130 in g_closure_invoke (closure=0x55c45820f3a0, return_value=0x0, n_param_values=1, param_values=0x7fffaf643670, invocation_hint=0x7fffaf6435c0) at ../../../gobject/gclosure.c:832
  [Error: gclosure.c was not found in source tree]
#9  0x00007f2db35114ac in signal_emit_unlocked_R.isra.0 (node=node@entry=0x7fffaf643740, detail=detail@entry=0, instance=instance@entry=0x55c4581a0c00, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffaf643670) at ../../../gobject/gsignal.c:3980
  [Error: gsignal.c was not found in source tree]
#10 0x00007f2db35029b1 in signal_emit_valist_unlocked (instance=instance@entry=0x55c4581a0c00, signal_id=signal_id@entry=126, detail=detail@entry=0, var_args=var_args@entry=0x7fffaf6438a0) at ../../../gobject/gsignal.c:3612
  [Error: gsignal.c was not found in source tree]
#11 0x00007f2db3502bd6 in g_signal_emit_valist (instance=0x55c4581a0c00, signal_id=126, detail=0, var_args=var_args@entry=0x7fffaf6438a0) at ../../../gobject/gsignal.c:3355
  [Error: gsignal.c was not found in source tree]
#12 0x00007f2db3502c93 in g_signal_emit (instance=instance@entry=0x55c4581a0c00, signal_id=<optimized out>, detail=detail@entry=0) at ../../../gobject/gsignal.c:3675
  [Error: gsignal.c was not found in source tree]
#13 0x00007f2db3a05a41 in gtk_menu_item_activate (menu_item=menu_item@entry=0x55c4581a0c00) at ../../../gtk/gtkmenuitem.c:1620
  [Error: gtkmenuitem.c was not found in source tree]
#14 0x00007f2db2820e9c in item_activated (item=<optimized out>, timestamp=<optimized out>, user_data=0x55c4581a0c00) at ../../../libdbusmenu-gtk/parser.c:1168
  [Error: parser.c was not found in source tree]
#15 item_activated (item=<optimized out>, timestamp=<optimized out>, user_data=0x55c4581a0c00) at ../../../libdbusmenu-gtk/parser.c:1149
  [Error: parser.c was not found in source tree]
#16 0x00007f2db34e4130 in g_closure_invoke (closure=0x55c4581a1100, return_value=0x0, n_param_values=2, param_values=0x7fffaf643b70, invocation_hint=0x7fffaf643ac0) at ../../../gobject/gclosure.c:832
  [Error: gclosure.c was not found in source tree]
#17 0x00007f2db35114ac in signal_emit_unlocked_R.isra.0 (node=node@entry=0x7fffaf643c60, detail=detail@entry=0, instance=instance@entry=0x55c4581b50d0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffaf643b70) at ../../../gobject/gsignal.c:3980
  [Error: gsignal.c was not found in source tree]
#18 0x00007f2db35029b1 in signal_emit_valist_unlocked (instance=instance@entry=0x55c4581b50d0, signal_id=signal_id@entry=246, detail=detail@entry=0, var_args=var_args@entry=0x7fffaf643dc0) at ../../../gobject/gsignal.c:3612
  [Error: gsignal.c was not found in source tree]
#19 0x00007f2db3502bd6 in g_signal_emit_valist (instance=0x55c4581b50d0, signal_id=246, detail=0, var_args=var_args@entry=0x7fffaf643dc0) at ../../../gobject/gsignal.c:3355
  [Error: gsignal.c was not found in source tree]
#20 0x00007f2db3502c93 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../../../gobject/gsignal.c:3675
  [Error: gsignal.c was not found in source tree]
#21 0x00007f2db2809694 in dbusmenu_menuitem_handle_event (mi=0x55c4581b50d0, name=0x7f2da0003920 "clicked", variant=0x7f2da0002340, timestamp=341175) at ../../../libdbusmenu-glib/menuitem.c:1767
  [Error: menuitem.c was not found in source tree]
#22 0x00007f2db280973b in event_local_handler (user_data=0x55c458229dc0, 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]
#23 0x00007f2db33e3c0e in g_timeout_dispatch (source=0x55c4582b1b70, callback=<optimized out>, user_data=<optimized out>) at ../../../glib/gmain.c:5121
  [Error: gmain.c was not found in source tree]
#24 0x00007f2db33e2a61 in g_main_dispatch (context=0x55c45815eb40) at ../../../glib/gmain.c:3476
  [Error: gmain.c was not found in source tree]
#25 0x00007f2db343e4ff in g_main_context_dispatch_unlocked (context=0x55c45815eb40) at ../../../glib/gmain.c:4284
  [Error: gmain.c was not found in source tree]
#26 g_main_context_iterate_unlocked.isra.0 (context=0x55c45815eb40, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4349
  [Error: gmain.c was not found in source tree]
#27 0x00007f2db33e34bf in g_main_loop_run (loop=0x55c458230b30) at ../../../glib/gmain.c:4551
  [Error: gmain.c was not found in source tree]
#28 0x00007f2db39f607d in gtk_main () at ../../../gtk/gtkmain.c:1329
  [Error: gtkmain.c was not found in source tree]
#29 0x000055c45741f105 in main (argc=<optimized out>, argv=<optimized out>) at update-notifier.c:698
  693: 	monitor_init (un);
  694: 
  695: 	/* Start the main gtk loop */
  696: 	g_unix_signal_add_full (G_PRIORITY_DEFAULT, SIGINT, sigint_cb,
  697: 				NULL, NULL);
  698: 	gtk_main ();
  699: 
  700: 	return 0;
  701: }