diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 9e14ae02306b..6946f8e204e3 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -557,7 +557,12 @@ __debug_object_init(void *addr, const struct debug_obj_descr *descr, int onstack
 	struct debug_obj *obj;
 	unsigned long flags;
 
-	fill_pool();
+	/*
+	 * On RT enabled kernels the pool refill must happen in preemptible
+	 * context:
+	 */
+	if (!IS_ENABLED(CONFIG_PREEMPT_RT) || preemptible())
+		fill_pool();
 
 	db = get_bucket((unsigned long) addr);