diff --git a/src/sys/vmm/pagefault.c b/src/sys/vmm/pagefault.c
index 29785c5..6eb536c 100644
--- a/src/sys/vmm/pagefault.c
+++ b/src/sys/vmm/pagefault.c
@@ -55,6 +55,9 @@
   spinLock(&pageFaultSpinLock);
   
   pageDir = (uInt32 *)parentPageDirAddr;
+
+  if (memAddr == 0x0)
+    kpanic("Error We Wrote To 0x0\n");
   
   //Calculate The Page Directory Index
   pageDirectoryIndex = (memAddr >> 22);
@@ -108,6 +111,9 @@
   
 /***
  $Log$
+ Revision 1.7  2004/07/26 19:15:49  reddawg
+ test code, fixes and the like
+
  Revision 1.6  2004/07/24 23:04:44  reddawg
  Changes... mark let me know if you fault at pid 185 when you type stress