Index: i386/i386/local_apic.c
===================================================================
--- i386/i386/local_apic.c	(revision 196050)
+++ i386/i386/local_apic.c	(working copy)
@@ -309,7 +309,7 @@ lapic_setup(int boot)
 
 #ifdef	HWPMC_HOOKS
 	/* Program the PMC LVT entry if present. */
-	if (maxlvt >= LVT_PMC)
+	if (maxlvt >= LVT_PMC && cpu_vendor_id != CPU_VENDOR_CENTAUR)
 		lapic->lvt_pcint = lvt_mode(la, LVT_PMC, lapic->lvt_pcint);
 #endif