Index: /trunk/src/VBox/VMM/VMMAll/IEMAllInstructions.cpp.h
===================================================================
--- /trunk/src/VBox/VMM/VMMAll/IEMAllInstructions.cpp.h	(revision 60558)
+++ /trunk/src/VBox/VMM/VMMAll/IEMAllInstructions.cpp.h	(revision 60559)
@@ -1330,5 +1330,9 @@
 
 /** Opcode 0x0f 0x0b. */
-FNIEMOP_STUB(iemOp_ud2);
+FNIEMOP_DEF(iemOp_ud2)
+{
+    IEMOP_MNEMONIC("ud2");
+    return IEMOP_RAISE_INVALID_OPCODE();
+}
 
 /** Opcode 0x0f 0x0d. */