--- a/hotspot/src/share/vm/classfile/classLoader.cpp	Thu Aug 01 16:01:32 2013 -0700
+++ b/hotspot/src/share/vm/classfile/classLoader.cpp	Fri Aug 02 10:20:34 2013 -0700
@@ -878,7 +878,7 @@
 
 instanceKlassHandle ClassLoader::load_classfile(Symbol* h_name, TRAPS) {
   ResourceMark rm(THREAD);
-  EventMark m("loading class " INTPTR_FORMAT, (address)h_name);
+  EventMark m("loading class %s", h_name->as_C_string());
   ThreadProfilerMark tpm(ThreadProfilerMark::classLoaderRegion);
 
   stringStream st;