Index: /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp	(revision 32858)
+++ /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp	(revision 32859)
@@ -4185,9 +4185,11 @@
                 return;
             }
+            AssertFatalMsgFailed(("HCPhys=%RHp GCPhys=%RGp; found page index %x HCPhys=%RHp\n", HCPhys, GCPhys, iPage, PGM_PAGE_GET_HCPHYS(&pRam->aPages[iPage])));
             break;
         }
         pRam = pRam->CTX_SUFF(pNext);
     }
-    AssertFatalMsgFailed(("HCPhys=%RHp GCPhys=%RGp\n", HCPhys, GCPhys));
+    if (!pRam)
+        AssertFatalMsgFailed(("HCPhys=%RHp GCPhys=%RGp\n", HCPhys, GCPhys));
 }