#0  update_appointment_menu_items (unused=<optimized out>) at datetime-service.c:726
  721: 	comp_instances = NULL;
  722: 
  723: 	// Generate instances for all sources
  724: 	for (s=appointment_sources; s!=NULL; s=s->next) {
  725: 
  726:                ESource *source = E_SOURCE (s->data);
  727:                ECalClient *ecal = e_cal_client_new(source, E_CAL_CLIENT_SOURCE_TYPE_EVENTS, &gerror);
  728: 
  729: 	       if (!ecal) {
  730: 			g_debug ("Cannot create ecal client: %s", gerror->message);
  731: 			g_clear_error (&gerror);
#1  0x00007f9331ebb5e4 in g_cclosure_marshal_VOID__OBJECTv (closure=0x204bce0, return_value=<optimized out>, instance=0x7f93200035d0, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x2050990) at /build/buildd/glib2.0-2.34.3/./gobject/gmarshal.c:1312
  [Error: /build/buildd/glib2.0-2.34.3/./gobject/gmarshal.c was not found in source tree]
#2  0x00007f9331eb8427 in _g_closure_invoke_va (closure=0x204bce0, return_value=0x0, instance=0x7f93200035d0, args=0x7fff5373ed78, n_params=1, param_types=0x2050990) at /build/buildd/glib2.0-2.34.3/./gobject/gclosure.c:840
  [Error: /build/buildd/glib2.0-2.34.3/./gobject/gclosure.c was not found in source tree]
#3  0x00007f9331ed0b36 in g_signal_emit_valist (instance=0x7f93200035d0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff5373ed78) at /build/buildd/glib2.0-2.34.3/./gobject/gsignal.c:3211
  [Error: /build/buildd/glib2.0-2.34.3/./gobject/gsignal.c was not found in source tree]
#4  0x00007f9331ed16a2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.34.3/./gobject/gsignal.c:3356
  [Error: /build/buildd/glib2.0-2.34.3/./gobject/gsignal.c was not found in source tree]
#5  0x00007f9332c334a0 in source_registry_object_added_idle_cb (user_data=<optimized out>) at e-source-registry.c:617
  [Error: e-source-registry.c was not found in source tree]
#6  0x00007f9331bf8a95 in g_main_dispatch (context=0x20378e0) at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:2715
  [Error: /build/buildd/glib2.0-2.34.3/./glib/gmain.c was not found in source tree]
#7  g_main_context_dispatch (context=context@entry=0x20378e0) at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3219
  [Error: /build/buildd/glib2.0-2.34.3/./glib/gmain.c was not found in source tree]
#8  0x00007f9331bf8dc8 in g_main_context_iterate (context=0x20378e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3290
  [Error: /build/buildd/glib2.0-2.34.3/./glib/gmain.c was not found in source tree]
#9  0x00007f9331bf91c2 in g_main_loop_run (loop=0x2067ed0) at /build/buildd/glib2.0-2.34.3/./glib/gmain.c:3484
  [Error: /build/buildd/glib2.0-2.34.3/./glib/gmain.c was not found in source tree]
#10 0x0000000000404864 in main (argc=<optimized out>, argv=<optimized out>) at datetime-service.c:1473
  1468: 		                  "/org/freedesktop/ConsoleKit/Manager",
  1469: 		                  "org.freedesktop.ConsoleKit.Manager",
  1470: 		                  NULL, system_proxy_cb, dbus);
  1471: 
  1472: 	mainloop = g_main_loop_new(NULL, FALSE);
  1473: 	g_main_loop_run(mainloop);
  1474: 
  1475: 	free_appointment_sources();
  1476: 
  1477: 	g_object_unref(G_OBJECT(conf));
  1478: 	g_object_unref(G_OBJECT(dbus));