diff --git a/src/sys/kernel/exec.c b/src/sys/kernel/exec.c
index f4b8103..7d9ae5a 100644
--- a/src/sys/kernel/exec.c
+++ b/src/sys/kernel/exec.c
@@ -54,6 +54,8 @@
   /* Find A New Thread */
   newProcess = schedNewTask();
   assert(newProcess); 
+  if (stack < 0x100000)
+    kpanic("exec: stack not in valid area\n");
 
   /* Set All The Correct Thread Attributes */
   newProcess->tss.back_link    = 0x0;
@@ -403,6 +405,9 @@
 
 /***
  $Log$
+ Revision 1.49  2004/07/24 23:04:44  reddawg
+ Changes... mark let me know if you fault at pid 185 when you type stress
+
  Revision 1.48  2004/07/22 19:27:36  reddawg
  Did i forget to commit