Index: sys/arm64/arm64/intr_machdep.c
===================================================================
--- sys/arm64/arm64/intr_machdep.c
+++ sys/arm64/arm64/intr_machdep.c
@@ -393,7 +393,7 @@
 		intrcnt_setname(intr->i_event->ie_fullname, intr->i_cntidx);
 		intr->i_handlers++;
 
-		if (!cold && intr->i_handlers == 1) {
+		if (!cold && (root_pic != NULL) && (intr->i_handlers == 1)) {
 			if (intr->i_trig != INTR_TRIGGER_CONFORM ||
 			    intr->i_pol != INTR_POLARITY_CONFORM) {
 				PIC_CONFIG(root_pic, intr->i_hw_irq, intr->i_trig,