--- linux-2.6.21/arch/i386/kernel/i8253.c	2007-05-12 11:29:23.000000000 +0400
+++ linux-2.6.21-xx/arch/i386/kernel/i8253.c	2007-05-13 02:19:57.000000000 +0400
@@ -193,6 +193,7 @@
 	.mask	= CLOCKSOURCE_MASK(32),
 	.mult	= 0,
 	.shift	= 20,
+	.flags  = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
 static int __init init_pit_clocksource(void)