From: Stephan Kulow <coolo@suse.de>

KVM defaults to a basically non-existant CPUid, so it needs special
handling model 1 is Pentium Pro (1995) and model 3 is Pentium II (1997),
model 2 was never released

Index: gmp-5.0.5/mpn/x86_64/fat/fat.c
===================================================================
--- gmp-5.0.5.orig/mpn/x86_64/fat/fat.c	2012-05-06 13:19:50.000000000 +0200
+++ gmp-5.0.5/mpn/x86_64/fat/fat.c	2012-05-29 09:58:12.540345955 +0200
@@ -201,9 +201,12 @@ __gmpn_cpuvec_init (void)
 	case 6:
 	  switch (model)
 	    {
+	    case 0x02:         /* KVM default */
+	       /* generic will do */
+               break;
+	
 	    case 0x00:
 	    case 0x01:
-	    case 0x02:
 	    case 0x03:
 	    case 0x04:
 	    case 0x05: