The following test timed out in the JDK20 CI:

gc/cslocker/TestCSLocker.java

Here's a snippet from the log file:

#section:main
----------messages:(6/256)----------
command: main -Xmx256m gc.cslocker.TestCSLocker
reason: User specified action: run main/native/othervm -Xmx256m gc.cslocker.TestCSLocker
Mode: othervm [/othervm specified]
Timeout information:
--- Timeout information end.
elapsed time (seconds): 1666.218
----------configuration:(0/0)----------
----------System.out:(1/27)----------
Timeout refired 1200 times
----------System.err:(0/0)----------
----------rerun:(45/7126)*----------

<snip>

result: Error. Program `/opt/mach5/mesos/work_dir/jib-master/install/jdk-20+13-858/linux-x64-debug.jdk/jdk-20/fastdebug/bin/java' timed out (timeout set to 1200000ms, elapsed time including timeout handling was 1666216ms).


The test task's JVM args are:
-Xcomp -XX:+CreateCoredumpOnCrash -ea -esa -XX:CompileThreshold=100 -XX:+UnlockExperimentalVMOptions -server -XX:-TieredCompilation -XX:+VerifyOops