--- a/src/hotspot/share/gc/parallel/psCardTable.cpp	Sat Sep 07 10:05:47 2019 -0700
+++ b/src/hotspot/share/gc/parallel/psCardTable.cpp	Sat Sep 07 18:48:57 2019 -0400
@@ -200,7 +200,7 @@
       // Delay 1 worker so that it proceeds after all the work
       // has been completed.
       if (stripe_number < 2) {
-        os::sleep(Thread::current(), GCWorkerDelayMillis, false);
+        os::naked_sleep(GCWorkerDelayMillis);
       }
     }
 #endif