Index: /trunk/src/VBox/VMM/VMMR0/GMMR0.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR0/GMMR0.cpp	(revision 29638)
+++ /trunk/src/VBox/VMM/VMMR0/GMMR0.cpp	(revision 29639)
@@ -2786,5 +2786,12 @@
                 Assert(pPage->Shared.cRefs);
                 if (!--pPage->Shared.cRefs)
+                {
                     gmmR0FreeSharedPage(pGMM, idPage, pPage);
+                }
+                else
+                {
+                    Assert(pGMM->cDuplicatePages);
+                    pGMM->cDuplicatePages--;
+                }
             }
             else