#0  0x00007fc9bb314227 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
  [Error: raise.c was not found in source tree]
#1  0x00007fc9bb315e8a in __GI_abort () at abort.c:89
  [Error: abort.c was not found in source tree]
#2  0x00007fc9bbe58d45 in g_assertion_message () from /tmp/apport_sandbox_ipLBJS/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc9bbe58dda in g_assertion_message_expr () from /tmp/apport_sandbox_ipLBJS/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc9bbe21c4e in g_hash_table_lookup () from /tmp/apport_sandbox_ipLBJS/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x000055da5fd6f9e1 in photos_base_manager_get_object_by_id (self=<optimized out>, id=<optimized out>) at photos-base-manager.c:370
  365:   GObject *ret_val = NULL;
  366: 
  367:   if (id == NULL)
  368:     goto out;
  369: 
  370:   ret_val = g_hash_table_lookup (self->priv->objects, id);
  371: 
  372:  out:
  373:   return ret_val;
  374: }
  375: 
#6  0x000055da5fd7e1a3 in photos_item_manager_changes_pending_foreach (key=<optimized out>, value=<optimized out>, user_data=<optimized out>) at photos-item-manager.c:158
  153: 
  154:   if (change_type == PHOTOS_TRACKER_CHANGE_EVENT_CHANGED)
  155:     {
  156:       GObject *object;
  157: 
  158:       object = photos_base_manager_get_object_by_id (PHOTOS_BASE_MANAGER (self), change_urn);
  159:       if (object != NULL)
  160:         photos_base_item_refresh (PHOTOS_BASE_ITEM (object));
  161:     }
  162:   else if (change_type == PHOTOS_TRACKER_CHANGE_EVENT_CREATED)
  163:     {
#7  0x00007fc9bbe222d0 in g_hash_table_foreach () from /tmp/apport_sandbox_ipLBJS/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fc9bc109fa5 in g_closure_invoke () from /tmp/apport_sandbox_ipLBJS/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9  0x00007fc9bc11bff1 in signal_emit_unlocked_R () from /tmp/apport_sandbox_ipLBJS/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007fc9bc124d8c in g_signal_emit_valist () from /tmp/apport_sandbox_ipLBJS/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007fc9bc1250bf in g_signal_emit () from /tmp/apport_sandbox_ipLBJS/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x000055da5fd94da4 in photos_tracker_change_monitor_send_events (events=<optimized out>, id_table=0x55da6067caa0, self=0x55da6069ac30) at photos-tracker-change-monitor.c:167
  162: 
  163:       photos_tracker_change_event_set_resolved_values (change_event, urn, predicate);
  164:       photos_tracker_change_monitor_add_event (self, change_event);
  165:     }
  166: 
  167:   g_signal_emit (self, signals[CHANGES_PENDING], 0, priv->pending_changes);
  168:   g_hash_table_remove_all (priv->pending_changes);
  169: }
  170: 
  171: 
  172: static void
#13 photos_tracker_change_monitor_cursor_next (source_object=<optimized out>, res=<optimized out>, user_data=0x55da6094af80) at photos-tracker-change-monitor.c:205
  200:           str = tracker_sparql_cursor_get_string (cursor, idx, NULL);
  201:           g_hash_table_iter_replace (&iter, g_strdup (str));
  202:           idx++;
  203:         }
  204: 
  205:       photos_tracker_change_monitor_send_events (self, data->id_table, data->events);
  206:     }
  207: 
  208:   tracker_sparql_cursor_close (cursor);
  209:   photos_tracker_change_monitor_query_data_free (data);
  210: }
#14 0x00007fc9bc3c3407 in g_simple_async_result_complete () from /tmp/apport_sandbox_ipLBJS/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#15 0x00007fc9bc3c3489 in complete_in_idle_cb_for_thread () from /tmp/apport_sandbox_ipLBJS/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#16 0x00007fc9bbe32ffa in g_main_context_dispatch () from /tmp/apport_sandbox_ipLBJS/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007fc9bbe333a0 in g_main_context_iterate.isra () from /tmp/apport_sandbox_ipLBJS/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fc9bbe3344c in g_main_context_iteration () from /tmp/apport_sandbox_ipLBJS/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fc9bc3fac92 in g_application_run () from /tmp/apport_sandbox_ipLBJS/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#20 0x000055da5fd603b7 in main (argc=2, argv=0x7ffc795e46e8) at photos-main.c:60
  55:   app = photos_application_new ();
  56:   if (g_getenv ("GNOME_PHOTOS_PERSIST") != NULL)
  57:     g_application_hold (G_APPLICATION (app));
  58: 
  59:   remote_display_mngr = photos_remote_display_manager_dup_singleton ();
  60:   exit_status = g_application_run (G_APPLICATION (app), argc, argv);
  61:   g_object_unref (remote_display_mngr);
  62:   g_object_unref (app);
  63: 
  64:   return exit_status;
  65: }