diff -ru linux-source-2.6.18/arch/ia64/hp/sim/boot/boot_head.S linux-2.6.18/arch/ia64/hp/sim/boot/boot_head.S
--- linux-2.6.18.orig/arch/ia64/hp/sim/boot/boot_head.S	2006-09-20 04:42:06.000000000 +0100
+++ linux-2.6.18/arch/ia64/hp/sim/boot/boot_head.S	2007-11-26 08:10:45.000000000 +0000
@@ -80,7 +81,7 @@
 	mov r8=0			/* status = 0 */
 	movl r9 =0x100000064		/* proc_ratio (1/100) */
 	movl r10=0x100000100		/* bus_ratio<<32 (1/256) */
-	movl r11=0x100000064		/* itc_ratio<<32 (1/100) */
+	movl r11=0x100000006		/* itc_ratio<<32 (1/100) */
 	;;
 1:	cmp.eq p6,p7=PAL_RSE_INFO,r28
 (p7)	br.cond.sptk.few 1f