--- old/src/share/vm/gc_implementation/g1/concurrentMarkThread.cpp	2012-12-17 17:58:18.921754341 -0800
+++ new/src/share/vm/gc_implementation/g1/concurrentMarkThread.cpp	2012-12-17 17:58:18.687327286 -0800
@@ -159,13 +159,11 @@
           VM_CGC_Operation op(&final_cl, verbose_str, true /* needs_pll */);
           VMThread::execute(&op);
         }
-        if (cm()->restart_for_overflow() &&
-            G1TraceMarkStackOverflow) {
-          gclog_or_tty->print_cr("Restarting conc marking because of MS overflow "
-                                 "in remark (restart #%d).", iter);
-        }
-
         if (cm()->restart_for_overflow()) {
+          if (G1TraceMarkStackOverflow) {
+            gclog_or_tty->print_cr("Restarting conc marking because of MS overflow "
+                                   "in remark (restart #%d).", iter);
+          }
           if (G1Log::fine()) {
             gclog_or_tty->date_stamp(PrintGCDateStamps);
             gclog_or_tty->stamp(PrintGCTimeStamps);