--- old/src/share/vm/prims/jvmtiEnv.cpp	2015-12-01 12:06:28.246930123 +0100
+++ new/src/share/vm/prims/jvmtiEnv.cpp	2015-12-01 12:06:28.126930127 +0100
@@ -29,6 +29,7 @@
 #include "interpreter/bytecodeStream.hpp"
 #include "interpreter/interpreter.hpp"
 #include "jvmtifiles/jvmtiEnv.hpp"
+#include "logging/logConfiguration.hpp"
 #include "memory/resourceArea.hpp"
 #include "memory/universe.inline.hpp"
 #include "oops/instanceKlass.hpp"
@@ -628,7 +629,14 @@
     TraceClassUnloading = value != 0;
     break;
   case JVMTI_VERBOSE_GC:
-    PrintGC = value != 0;
+    {
+      MutexLocker ml(LogConfiguration_lock);
+      if (value == 0) {
+        LogConfiguration::parse_log_arguments("stdout", "gc=off", NULL, NULL, NULL);
+      } else {
+        LogConfiguration::parse_log_arguments("stdout", "gc", NULL, NULL, NULL);
+      }
+    }
     break;
   case JVMTI_VERBOSE_JNI:
     PrintJNIResolving = value != 0;