#0  script_obj_deref_direct (obj=0x726f207465792079) at ./script-object.c:132
  [Error: ./script-object.c was not found in source tree]
#1  0x00007f635c70e6bf in script_obj_as_custom (obj=<optimized out>, obj@entry=0x726f207465792079, user_func=user_func@entry=0x7f635c70df60 <script_obj_execute>, user_data=user_data@entry=0x7fff6ccd5f20) at ./script-object.c:237
  [Error: ./script-object.c was not found in source tree]
#2  0x00007f635c70dca0 in script_execute_object_with_parlist (parameter_data=0x77c1e0, this=0x0, obj=0x726f207465792079, state=0x783490) at ./script-execute.c:286
  [Error: ./script-execute.c was not found in source tree]
#3  script_execute_object (state=state@entry=0x783490, function=0x726f207465792079, this=this@entry=0x0, first_arg=first_arg@entry=0x7bc100) at ./script-execute.c:667
  [Error: ./script-execute.c was not found in source tree]
#4  0x00007f635c7119bc in script_lib_plymouth_on_display_message (state=0x783490, data=0x790480, message=message@entry=0x790480 "The disk drive for UUID=c612c271-d752-4882-b2e8-7a707b168cd9 is not ready yet or not present.") at ./script-lib-plymouth.c:308
  [Error: ./script-lib-plymouth.c was not found in source tree]
#5  0x00007f635c70aa36 in display_message (plugin=0x782d80, message=0x790480 "The disk drive for UUID=c612c271-d752-4882-b2e8-7a707b168cd9 is not ready yet or not present.") at ./plugin.c:515
  [Error: ./plugin.c was not found in source tree]
#6  0x0000000000406fca in ply_boot_connection_on_request (connection=0x77c370) at ply-boot-server.c:709
  704:     }
  705:   else if (strcmp (command, PLY_BOOT_PROTOCOL_REQUEST_TYPE_NEWROOT) == 0)
  706:     {
  707:       ply_trace ("got newroot request");
  708:       if (server->newroot_handler != NULL)
  709:         server->newroot_handler(server->user_data, argument, server);
  710:     }
  711:   else if (strcmp (command, PLY_BOOT_PROTOCOL_REQUEST_TYPE_HAS_ACTIVE_VT) == 0)
  712:     {
  713:       bool answer = false;
  714: 
#7  0x00007f635ec5fe76 in ply_event_loop_handle_met_status_for_source (status=PLY_EVENT_LOOP_FD_STATUS_HAS_DATA, source=0x77c450, loop=0x775150) at ply-event-loop.c:1060
  1055:       destination = (ply_event_destination_t *) ply_list_node_get_data (node);
  1056:       next_node = ply_list_get_next_node (source->destinations, node);
  1057: 
  1058:       if (((destination->status & status) != 0)
  1059:           && (destination->status_met_handler != NULL))
  1060:         destination->status_met_handler (destination->user_data, source->fd);
  1061: 
  1062:       node = next_node;
  1063:     }
  1064: }
  1065: 
#8  ply_event_loop_process_pending_events (loop=loop@entry=0x775150) at ply-event-loop.c:1336
  1331:       if (is_disconnected)
  1332:         {
  1333:           ply_event_loop_disconnect_source (loop, source);
  1334:         }
  1335:       else if (ply_event_loop_source_has_met_status (source, status))
  1336:         ply_event_loop_handle_met_status_for_source (loop, source, status);
  1337: 
  1338:       if (loop->should_exit)
  1339:         break;
  1340:     }
  1341: 
#9  0x00007f635ec60620 in ply_event_loop_run (loop=0x775150) at ply-event-loop.c:1368
  1363: 
  1364: int
  1365: ply_event_loop_run (ply_event_loop_t *loop)
  1366: {
  1367:   while (!loop->should_exit)
  1368:     ply_event_loop_process_pending_events (loop);
  1369: 
  1370:   ply_event_loop_run_exit_closures (loop);
  1371:   ply_event_loop_free_sources (loop);
  1372:   ply_event_loop_free_timeout_watches (loop);
  1373: 
#10 0x0000000000404c3d in main (argc=<optimized out>, argv=<optimized out>) at main.c:2563
  2558:       ply_error ("plymouthd: could not tell parent to exit: %m");
  2559:       return EX_UNAVAILABLE;
  2560:     }
  2561: 
  2562:   ply_trace ("entering event loop");
  2563:   exit_code = ply_event_loop_run (state.loop);
  2564:   ply_trace ("exited event loop");
  2565: 
  2566:   ply_boot_splash_free (state.boot_splash);
  2567:   state.boot_splash = NULL;
  2568: