diff -urN gpxe-0.9.7/src/arch/i386/prefix/romprefix.S gpxe-0.9.7-kvmworkaround/src/arch/i386/prefix/romprefix.S
--- gpxe-0.9.7/src/arch/i386/prefix/romprefix.S	2009-03-01 21:23:42.000000000 -0500
+++ gpxe-0.9.7-kvmworkaround/src/arch/i386/prefix/romprefix.S	2009-03-13 13:27:43.000000000 -0400
@@ -716,6 +716,7 @@
 1:	pushf
 	sti
 	hlt
+	nop
 	popf
 	cmpl	%fs:(0x6c), %eax
 	je	1b