Index: /trunk/src/VBox/VMM/include/PGMInline.h
===================================================================
--- /trunk/src/VBox/VMM/include/PGMInline.h	(revision 56625)
+++ /trunk/src/VBox/VMM/include/PGMInline.h	(revision 56626)
@@ -489,4 +489,12 @@
         STAM_COUNTER_INC(&pVM->pgm.s.CTX_SUFF(pStats)->CTX_MID_Z(Stat,PageMapTlbHits));
         rc = VINF_SUCCESS;
+# if 0 //def VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0
+#  ifdef IN_RING3
+        if (pTlbe->pv == (void *)pVM->pgm.s.pvZeroPgR0)
+#  else
+        if (pTlbe->pv == (void *)pVM->pgm.s.pvZeroPgR3)
+#  endif
+            pTlbe->pv = pVM->pgm.s.CTX_SUFF(pvZeroPg);
+# endif
         AssertPtr(pTlbe->pv);
 # ifndef VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0