--- old/src/share/vm/runtime/arguments.cpp	2013-05-16 23:54:37.925139610 +0200
+++ new/src/share/vm/runtime/arguments.cpp	2013-05-16 23:54:37.737139617 +0200
@@ -3044,6 +3044,11 @@
     set_mode_flags(_int);
   }
 
+  // eventually fix up InitialTenuringThreshold if only MaxTenuringThreshold is set
+  if (FLAG_IS_DEFAULT(InitialTenuringThreshold) && (InitialTenuringThreshold > MaxTenuringThreshold)) {
+    FLAG_SET_ERGO(uintx, InitialTenuringThreshold, MaxTenuringThreshold);
+  }
+
 #ifndef COMPILER2
   // Don't degrade server performance for footprint
   if (FLAG_IS_DEFAULT(UseLargePages) &&