The following test timed out in the JDK20 CI:

serviceability/jvmti/SuspendWithCurrentThread/SuspendWithCurrentThread.java

Here's a snippet from the log file:

#section:main
----------messages:(8/425)----------
command: main -agentlib:SuspendWithCurrentThread SuspendWithCurrentThread SuspenderIndex=first
reason: User specified action: run main/othervm/native -agentlib:SuspendWithCurrentThread SuspendWithCurrentThread SuspenderIndex=first
started: Fri Oct 14 14:19:35 UTC 2022
Mode: othervm [/othervm specified]
Timeout information:
--- Timeout information end.
finished: Fri Oct 14 14:28:22 UTC 2022
elapsed time (seconds): 526.46
----------configuration:(0/0)----------
----------System.out:(41/1412)----------

Agent_OnLoad started
Agent_OnLoad finished
Loaded library: SuspendWithCurrentThread
Main: suspenderIndex: 0
Main: started
Main: starting tested threads
Main: tested threads started

registerTestedThreads: started
registerTestedThreads: finished
Main: trigger ThreadToSuspend#0 to suspend all tested threads including itself
Main: checking all tested threads have been suspended
checkTestedThreadsSuspended: started
thread #0 has not been suspended yet: # state: (0x5)
thread #0 has not been suspended yet: # state: (0x5)
ThreadToSuspend#0: before suspending all tested threads including myself

suspendTestedThreads: started by thread: ThreadToSuspend#0
suspendTestedThreads: before JVMTI SuspendThreadList
thread #0 has not been suspended yet: # state: (0x5)
checkTestedThreadsSuspended: finished
Main: resuming all tested threads

resumeTestedThreads: started
resumeTestedThreads: before JVMTI ResumeThreadList
resumeTestedThreads: check and print ResumeThreadList results:
  thread #0 resume errcode: (0)
  thread #1 resume errcode: (0)
  thread #2 resume errcode: (0)
  thread #3 resume errcode: (0)
  thread #4 resume errcode: (0)
  thread #5 resume errcode: (0)
  thread #6 resume errcode: (0)
  thread #7 resume errcode: (0)
  thread #8 resume errcode: (0)
  thread #9 resume errcode: (0)
resumeTestedThreads: finished
Main: tested threads finished
Main: joining tested threads
Timeout refired 480 times
----------System.err:(0/0)----------
----------rerun:(37/7377)*----------