Index: /trunk/src/VBox/Disassembler/DisasmFormatYasm.cpp
===================================================================
--- /trunk/src/VBox/Disassembler/DisasmFormatYasm.cpp	(revision 41760)
+++ /trunk/src/VBox/Disassembler/DisasmFormatYasm.cpp	(revision 41761)
@@ -393,7 +393,6 @@
         ||  (   pOp->uOpcode == OP_ILLUD2
              && (pCpu->fPrefix & DISPREFIX_LOCK)))
-    {
-
-    }
+        PUT_SZ("Illegal opcode");
+        //cchOutput += RTStrPrintf(pszDst, cchDst, "Illegal opcode %.*Rhxs", pCpu->cbInstr, pCpu->abInstr);
     else
     {