The kick2 should always depend upon the stars drift even when using feedback.

src/engine_maketasks.c

@@ -849,9 +849,7 @@ void engine_make_hierarchical_tasks_hydro(struct engine *e, struct cell *c) {
         c->stars.drift = scheduler_addtask(s, task_type_drift_spart,
                                            task_subtype_none, 0, 0, c, NULL);
 
-        if (!with_feedback) {
-          scheduler_addunlock(s, c->stars.drift, c->super->kick2);
-        }
+	scheduler_addunlock(s, c->stars.drift, c->super->kick2);
       }
 
       /* Subgrid tasks: cooling */