Index: /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp
===================================================================
--- /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp	(revision 22713)
+++ /trunk/src/VBox/VMM/VMMAll/PGMAllPool.cpp	(revision 22714)
@@ -1630,5 +1630,4 @@
             PPGMPOOLPAGE pPage;
             unsigned     idxPage = pPool->aIdxDirtyPages[i];
-            AssertRelease(idxPage != NIL_PGMPOOL_IDX);
 
             pPage = &pPool->aPages[idxPage];