The following test failed in the JDK16 CI:

gc/z/TestUncommit.java#id0

Here's a snippet from the log file:

----------System.err:(15/982)----------
Java HotSpot(TM) 64-Bit Server VM warning: Temporarily processing option UseBiasedLocking; support is scheduled for removal in 16.0
java.lang.Exception: Uncommitted too fast
at gc.z.TestUncommit.test(TestUncommit.java:108)
at gc.z.TestUncommit.main(TestUncommit.java:138)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:832)

JavaTest Message: Test threw exception: java.lang.Exception: Uncommitted too fast
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Exception: Uncommitted too fast
----------rerun:(54/5351)*----------