The following test timed out in the JDK17 CI:

vmTestbase/vm/mlvm/indy/func/jdi/breakpointOtherStratum/Test.java

Here's a snippet from the log file:

#section:driver
----------messages:(8/385)----------
command: driver vm.mlvm.share.StratumClassesBuilder vmTestbase/vm/mlvm/share/jpda/INDIFY_SDE_DebuggeeBase.java
reason: User specified action: run driver vm.mlvm.share.StratumClassesBuilder vmTestbase/vm/mlvm/share/jpda/INDIFY_SDE_DebuggeeBase.java
Mode: agentvm
Agent id: 14
Timeout refired 480 times
Timeout information:
--- Timeout information end.
elapsed time (seconds): 5627.658
----------configuration:(15/2361)----------
Boot Layer
  class path: /System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/5.1/b01/bundles/jtreg_bin-5.1.zip/jtreg/lib/javatest.jar
              /System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/5.1/b01/bundles/jtreg_bin-5.1.zip/jtreg/lib/jtreg.jar
              /System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/5.1/b01/bundles/jtreg_bin-5.1.zip/jtreg/lib/junit.jar
              /System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/5.1/b01/bundles/jtreg_bin-5.1.zip/jtreg/lib/testng.jar
  patch: java.base /System/Volumes/Data/mesos/work_dir/slaves/40f4774a-f408-4e28-8432-1004a7782450-S10979/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/747022cd-a4e4-47ec-9e81-9e7eecb409ab/runs/37b9cdcd-2f9d-4670-ae63-0f681c73ac2f/testoutput/test-support/jtreg_open_test_hotspot_jtreg_vmTestbase_vm_mlvm/patches/java.base

Test Layer
  class path: /System/Volumes/Data/mesos/work_dir/slaves/40f4774a-f408-4e28-8432-1004a7782450-S10979/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/747022cd-a4e4-47ec-9e81-9e7eecb409ab/runs/37b9cdcd-2f9d-4670-ae63-0f681c73ac2f/testoutput/test-support/jtreg_open_test_hotspot_jtreg_vmTestbase_vm_mlvm/classes/5/vmTestbase/vm/mlvm/indy/func/jdi/breakpointOtherStratum/Test.d
              /System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-17+23-2024/src.full/open/test/hotspot/jtreg/vmTestbase/vm/mlvm/indy/func/jdi/breakpointOtherStratum
              /System/Volumes/Data/mesos/work_dir/slaves/40f4774a-f408-4e28-8432-1004a7782450-S10979/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/747022cd-a4e4-47ec-9e81-9e7eecb409ab/runs/37b9cdcd-2f9d-4670-ae63-0f681c73ac2f/testoutput/test-support/jtreg_open_test_hotspot_jtreg_vmTestbase_vm_mlvm/classes/5/vmTestbase
              /System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-17+23-2024/src.full/open/test/hotspot/jtreg/vmTestbase
              /System/Volumes/Data/mesos/work_dir/slaves/40f4774a-f408-4e28-8432-1004a7782450-S10979/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/747022cd-a4e4-47ec-9e81-9e7eecb409ab/runs/37b9cdcd-2f9d-4670-ae63-0f681c73ac2f/testoutput/test-support/jtreg_open_test_hotspot_jtreg_vmTestbase_vm_mlvm/classes/5/test/lib
              /System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-17+23-2024/src.full/open/test/lib

----------rerun:(29/7926)*----------

<snip>

class attrCount: 4
attr len: 2
attr len: 16
attr len: 18
attr len: 10
class attrCount incremented
----------System.err:(4/76)----------
warning: attribute size changed 14 to 18

JavaTest Message: Test complete.

result: Error. Agent error: java.lang.Exception: Agent 14 timed out with a timeout of 480 seconds; check console log for any additional details

Please note that the test timed out at 8 minutes/480 seconds, but
the test didn't finish executing for 5627 seconds/93 minutes.

This is another in the recent raft of strange failures on macOS.