diff -r e66a566f2cfa -r 08c26fb11679 src/sim/process.cc
--- a/src/sim/process.cc	Mon Nov 14 17:44:35 2011 -0600
+++ b/src/sim/process.cc	Wed Nov 16 23:02:19 2011 -0600
@@ -360,7 +360,7 @@
         };
         return true;
     }
-    warn("Not extending stack: address %#x isn't at the end of the stack.",
+    warn_once("Not extending stack: address %#x isn't at the end of the stack.",
         vaddr);
     return false;
 }