Index: xen-3.2-testing/tools/ioemu/vnc.c
===================================================================
--- xen-3.2-testing.orig/tools/ioemu/vnc.c	2008-04-17 11:43:50.000000000 -0600
+++ xen-3.2-testing/tools/ioemu/vnc.c	2008-04-17 11:46:34.000000000 -0600
@@ -1133,6 +1133,8 @@
     case 0x9d:                          /* Right CTRL */
     case 0x38:                          /* Left ALT */
     case 0xb8:                          /* Right ALT */
+        if (keycode & 0x80)
+            kbd_put_keycode(0xe0);
         if (down) {
             vs->modifiers_state[keycode] = 1;
             kbd_put_keycode(keycode & 0x7f);