Index: sys/x86/x86/local_apic.c
===================================================================
--- sys/x86/x86/local_apic.c
+++ sys/x86/x86/local_apic.c
@@ -913,6 +913,9 @@
 	struct lapic *la;
 	register_t intr;
 
+	if (!x2apic_mode && lapic_map == NULL)
+		return;
+
 	intr = intr_disable();
 	la = &lapics[lapic_id()];