--- old/src/share/vm/utilities/events.hpp	2014-12-10 11:28:23.681144000 -0500
+++ new/src/share/vm/utilities/events.hpp	2014-12-10 11:28:21.740985000 -0500
@@ -90,7 +90,7 @@
     _length(length),
     _count(0),
     _index(0),
-    _mutex(Mutex::event, name) {
+    _mutex(Mutex::event, name, false, Monitor::_safepoint_check_never) {
     _records = new EventRecord<T>[length];
   }