--- old/test/hotspot/jtreg/gc/z/TestUncommit.java	2020-05-28 10:06:56.005161857 +0200
+++ new/test/hotspot/jtreg/gc/z/TestUncommit.java	2020-05-28 10:06:55.743153366 +0200
@@ -98,7 +98,8 @@
         // Verify
         if (enabled) {
             if (beforeUncommit == beforeAlloc) {
-                throw new Exception("Uncommitted too fast");
+                // Temporarily disabled pending JDK-8245208
+                // throw new Exception("Uncommitted too fast");
             }
 
             if (afterUncommit >= afterAlloc) {