diff --git a/sys/arm64/arm64/gic_v3.c b/sys/arm64/arm64/gic_v3.c
--- a/sys/arm64/arm64/gic_v3.c
+++ b/sys/arm64/arm64/gic_v3.c
@@ -1138,11 +1138,6 @@
 			gic_v3_enable_intr_periph(&pargs);
 		}
 	}
-
-	for (i = 0; i < sc->gic_nchildren; i++) {
-		child = sc->gic_children[i];
-		PIC_INIT_SECONDARY(child);
-	}
 }
 
 static void
diff --git a/sys/kern/subr_intr.c b/sys/kern/subr_intr.c
--- a/sys/kern/subr_intr.c
+++ b/sys/kern/subr_intr.c
@@ -1562,14 +1562,14 @@
 void
 intr_pic_init_secondary(void)
 {
+	struct intr_pic *pic;
 
-	/*
-	 * QQQ: Only root PIC is aware of other CPUs ???
-	 */
-	KASSERT(intr_irq_root_dev != NULL, ("%s: no root attached", __func__));
+	if (intr_irq_root_dev == NULL)
+		panic("%s: no root attached", __func__);
 
 	//mtx_lock(&isrc_table_lock);
-	PIC_INIT_SECONDARY(intr_irq_root_dev);
+	SLIST_FOREACH(pic, &pic_list, pic_next)
+		PIC_INIT_SECONDARY(pic);
 	//mtx_unlock(&isrc_table_lock);
 }
 #endif