Index: /trunk/src/VBox/Devices/PC/DevAPIC.cpp
===================================================================
--- /trunk/src/VBox/Devices/PC/DevAPIC.cpp	(revision 32856)
+++ /trunk/src/VBox/Devices/PC/DevAPIC.cpp	(revision 32857)
@@ -1448,4 +1448,5 @@
 
     index = (addr >> 4) & 0xff;
+    addr -= (s->apicbase & ~0xfff);
 
     if (addr > 0xfff || (index == 0))