Index: /trunk/src/VBox/VMM/VMMR0/GMMR0.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMR0/GMMR0.cpp	(revision 29414)
+++ /trunk/src/VBox/VMM/VMMR0/GMMR0.cpp	(revision 29415)
@@ -3796,5 +3796,5 @@
                     Log(("New shared page guest %RGp host %RHp\n", paPageDesc[i].GCPhys, paPageDesc[i].HCPhys));
 
-                    Assert(paPageDesc[i].HCPhys == (pPage->Private.pfn << 12));
+                    AssertMsg(paPageDesc[i].HCPhys == (pPage->Private.pfn << 12), ("desc %RHp gmm %RHp\n", paPageDesc[i].HCPhys, (pPage->Private.pfn << 12)));
 
                     gmmR0ConvertToSharedPage(pGMM, pGVM, paPageDesc[i].HCPhys, paPageDesc[i].uHCPhysPageId, pPage);