The following test timed out in the JDK16 CI:

vmTestbase/nsk/stress/stack/stack017.java

Here's a snippet from the log file:

#section:main
----------messages:(6/283)----------
command: main -Xss448K nsk.stress.stack.stack017 -eager
reason: User specified action: run main/othervm/timeout=900 -Xss448K nsk.stress.stack.stack017 -eager
Mode: othervm [/othervm specified]
Timeout information:
--- Timeout information end.
elapsed time (seconds): 3668.495
----------configuration:(0/0)----------
----------System.out:(2/59)----------
Maximal recursion depth: 3828
Timeout refired 3600 times
----------System.err:(0/0)----------
----------rerun:(39/5488)*----------
<snip>

result: Error. Program `c:\ade\mesos\work_dir\jib-master\install\jdk-16+16-663\windows-x64-debug.jdk\jdk-16\fastdebug\bin\java' timed out (timeout set to 3600000ms, elapsed time including timeout handling was 3634575ms).