Index: xen-4.2.0-testing/tools/qemu-xen-traditional-dir-remote/vnc.c
===================================================================
--- xen-4.2.0-testing.orig/tools/qemu-xen-traditional-dir-remote/vnc.c
+++ xen-4.2.0-testing/tools/qemu-xen-traditional-dir-remote/vnc.c
@@ -1329,6 +1329,11 @@ static void do_key_event(VncState *vs, i
         }
         break;
     case 0x3a:			/* CapsLock */
+         if(!down){
+           vs->modifiers_state[keycode] ^= 1;
+            kbd_put_keycode(keycode | 0x80);
+        }
+        return;
     case 0x45:			/* NumLock */
 	if (down) {
             kbd_put_keycode(keycode & 0x7f);