Index: /trunk/src/VBox/VMM/VMMAll/IOMAllMMIO.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMAll/IOMAllMMIO.cpp	(revision 16036)
+++ /trunk/src/VBox/VMM/VMMAll/IOMAllMMIO.cpp	(revision 16037)
@@ -345,5 +345,5 @@
      */
     unsigned cb = DISGetParamSize(pCpu, &pCpu->param1);
-    AssertMsg(cb > 0 && cb <= sizeof(uint32_t), ("cb=%d\n", cb));
+    AssertMsg(cb > 0 && cb <= sizeof(uint64_t), ("cb=%d\n", cb));
     int      offIncrement = pRegFrame->eflags.Bits.u1DF ? -(signed)cb : (signed)cb;
 
@@ -574,5 +574,5 @@
      */
     unsigned cb = DISGetParamSize(pCpu, &pCpu->param1);
-    AssertMsg(cb > 0 && cb <= sizeof(uint32_t), ("cb=%d\n", cb));
+    AssertMsg(cb > 0 && cb <= sizeof(uint64_t), ("cb=%d\n", cb));
     int      offIncrement = pRegFrame->eflags.Bits.u1DF ? -(signed)cb : (signed)cb;