diff -r 89f44df5b438 -r bbe259d3c8bc hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
--- a/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Wed Aug 20 15:04:39 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp	Thu Aug 21 16:44:41 2014 +0200
@@ -2516,7 +2516,7 @@
         }
       }
     } else {
-      if (cause == GCCause::_gc_locker
+      if (cause == GCCause::_gc_locker || cause == GCCause::_wb_young_gc
           DEBUG_ONLY(|| cause == GCCause::_scavenge_alot)) {
 
         // Schedule a standard evacuation pause. We're setting word_size