The following test timed out in the JDK24 CI:

com/sun/jdi/MethodEntryExitEvents.java

Here's a snippet from the log file:

#section:driver
----------messages:(10/408)----------
command: driver MethodEntryExitEvents SUSPEND_ALL MethodEntryExitEventsDebugee
reason: User specified action: run driver MethodEntryExitEvents SUSPEND_ALL MethodEntryExitEventsDebugee
started: Mon Oct 07 23:25:51 GMT 2024
Mode: agentvm
Agent id: 16
Timeout signalled after 480 seconds
Timeout information:
--- Timeout information end.
finished: Mon Oct 07 23:43:58 GMT 2024
elapsed time (seconds): 1087.374
----------configuration:(12/1491)----------

<snip>

----------System.out:(58/4057)----------
Suspend policy is: SUSPEND_ALL
run args: [MethodEntryExitEventsDebugee]
vmOpts: '-Xmx768m -XX:MaxRAMPercentage=4.16667 -Dtest.boot.jdk=/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk/23/37/bundles/macos-x64/jdk-23_macos-x64_bin.tar.gz/jdk-23.jdk/Contents/Home -Djava.io.tmpdir=/System/Volumes/Data/mesos/work_dir/slaves/7a20d425-e769-4142-b5c1-e3cc2d88e03e-S16118/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/24466178-3c97-45e5-92df-9d68125a8a95/runs/5bab3bfd-1a74-4dc0-9cd2-8aa42bc3a7d9/testoutput/test-support/jtreg_open_test_jdk_tier3/tmp -ea -esa'
javaOpts: ''
JVM version:24-ea
JDI version: 24.0
JVM description: Java Debug Interface (Reference Implementation) version 24.0
Java Debug Wire Protocol (Reference Implementation) version 24.0
JVM Debug Interface version 24.0
JVM version 24-ea (Java HotSpot(TM) 64-Bit Server VM, mixed mode, sharing)
 Method entry number: 1 : MethodEntryEvent@t2:41 in thread main
 Method exit number: 1 : MethodExitEvent@t2:41 in thread main
 Method entry number: 2 : MethodEntryEvent@t2:43 in thread main
 Method entry number: 3 : MethodEntryEvent@t2:46 in thread main
 Method entry number: 4 : MethodEntryEvent@t2:49 in thread main
 Method entry number: 5 : MethodEntryEvent@t2:52 in thread main
 Method entry number: 6 : MethodEntryEvent@t2:55 in thread main
 Method entry number: 7 : MethodEntryEvent@t2:43 in thread main
 Method entry number: 8 : MethodEntryEvent@t2:46 in thread main
 Method entry number: 9 : MethodEntryEvent@t2:49 in thread main
 Method entry number: 10 : MethodEntryEvent@t2:52 in thread main
 Method entry number: 11 : MethodEntryEvent@t2:55 in thread main
 Method entry number: 12 : MethodEntryEvent@t2:43 in thread main
 Method entry number: 13 : MethodEntryEvent@t2:46 in thread main
 Method entry number: 14 : MethodEntryEvent@t2:49 in thread main
 Method entry number: 15 : MethodEntryEvent@t2:52 in thread main
 Method entry number: 16 : MethodEntryEvent@t2:55 in thread main
MethodEntryExitEventsDebugee: -->> Hello. j is: 0 <<--
 Method exit number: 2 : MethodExitEvent@t2:63 in thread main
 Method exit number: 3 : MethodExitEvent@t2:53 in thread main
 Method exit number: 4 : MethodExitEvent@t2:50 in thread main
 Method exit number: 5 : MethodExitEvent@t2:47 in thread main
 Method exit number: 6 : MethodExitEvent@t2:44 in thread main
 Method exit number: 7 : MethodExitEvent@t2:63 in thread main
 Method exit number: 8 : MethodExitEvent@t2:53 in thread main
 Method exit number: 9 : MethodExitEvent@t2:50 in thread main
 Method exit number: 10 : MethodExitEvent@t2:47 in thread main
 Method exit number: 11 : MethodExitEvent@t2:44 in thread main
 Method exit number: 12 : MethodExitEvent@t2:63 in thread main
 Method exit number: 13 : MethodExitEvent@t2:53 in thread main
 Method exit number: 14 : MethodExitEvent@t2:50 in thread main
 Method exit number: 15 : MethodExitEvent@t2:47 in thread main
 Method exit number: 16 : MethodExitEvent@t2:44 in thread main
 Method entry number: 17 : MethodEntryEvent@t2:43 in thread main
 Method entry number: 18 : MethodEntryEvent@t2:46 in thread main
 Method entry number: 19 : MethodEntryEvent@t2:49 in thread main
 Method entry number: 20 : MethodEntryEvent@t2:52 in thread main
 Method entry number: 21 : MethodEntryEvent@t2:55 in thread main
 Method entry number: 22 : MethodEntryEvent@t2:43 in thread main
 Method entry number: 23 : MethodEntryEvent@t2:46 in thread main
 Method entry number: 24 : MethodEntryEvent@t2:49 in thread main
 Method entry number: 25 : MethodEntryEvent@t2:52 in thread main
 Method entry number: 26 : MethodEntryEvent@t2:55 in thread main
 Method entry number: 27 : MethodEntryEvent@t2:43 in thread main
 Method entry number: 28 : MethodEntryEvent@t2:46 in thread main
 Method entry number: 29 : MethodEntryEvent@t2:49 in thread main
 Method entry number: 30 : MethodEntryEvent@t2:52 in thread main
 Method entry number: 31 : MethodEntryEvent@t2:55 in thread main
result: Error. Agent error: java.lang.Exception: Agent 16 timed out with a timeout of 480 seconds; check console log for any additional details

This test run passed the previous two configs:

command: driver MethodEntryExitEvents SUSPEND_EVENT_THREAD MethodEntryExitEventsDebugee

command: driver MethodEntryExitEvents SUSPEND_NONE MethodEntryExitEventsDebugee

and timed out with the third config:

command: driver MethodEntryExitEvents SUSPEND_ALL MethodEntryExitEventsDebugee