diff -r c2f19aa8a584 tools/ioemu-remote/vnc.c
--- a/tools/ioemu-remote/vnc.c	Wed Apr 07 11:13:49 2010 +0800
+++ b/tools/ioemu-remote/vnc.c	Mon May 24 13:56:22 2010 +0800
@@ -1326,6 +1326,11 @@
         }
         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);