src/hotspot/share/gc/g1/g1HeapVerifier.cpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -324,19 +324,18 @@
   VerifyReadyForArchivingRegionClosure cl;
   G1CollectedHeap::heap()->heap_region_iterate(&cl);
   if (cl.has_holes()) {
     log_warning(gc, verify)("All free regions should be at the top end of the heap, but"
                             " we found holes. This is probably caused by (unmovable) humongous"
-                            " allocations, and may lead to fragmentation while"
+                            " allocations or active GCLocker, and may lead to fragmentation while"
                             " writing archive heap memory regions.");
   }
   if (cl.has_humongous()) {
     log_warning(gc, verify)("(Unmovable) humongous regions have been found and"
                             " may lead to fragmentation while"
                             " writing archive heap memory regions.");
   }
-  assert(!cl.has_unexpected_holes(), "all holes should have been caused by humongous regions");
 }
 
 class VerifyArchivePointerRegionClosure: public HeapRegionClosure {
   virtual bool do_heap_region(HeapRegion* r) {
    if (r->is_archive()) {