The following test timed out in the JDK19 CI, in a task that specifies the jtreg option "-vmoptions:-Dtest.cds.runtime.options=-XX:+UseSerialGC"

runtime/cds/appcds/SharedArchiveConsistency.java

Here's a snippet from the log file:

8. modify _base_archive_name_offset to non-zero

    baseArchiveNameOffset = 0
new baseArchiveNameOffset = 1024
Command line: [/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-19+5-210/macosx-x64-debug.jdk/jdk-19/fastdebug/bin/java -cp /System/Volumes/Data/mesos/work_dir/slaves/a2dc162d-743b-4800-9e92-31f85abb45b1-S60189/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/544c9c19-d1f2-4fc9-b1f8-4c637c7f7dc3/runs/9de2271c-aede-4fca-bc4d-00a1a67ef442/testoutput/test-support/jtreg_open_test_hotspot_jtreg_runtime_cds/classes/1/runtime/cds/appcds/SharedArchiveConsistency.d:/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-19+5-210/src.full/open/test/hotspot/jtreg/runtime/cds/appcds:/System/Volumes/Data/mesos/work_dir/slaves/a2dc162d-743b-4800-9e92-31f85abb45b1-S60189/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/544c9c19-d1f2-4fc9-b1f8-4c637c7f7dc3/runs/9de2271c-aede-4fca-bc4d-00a1a67ef442/testoutput/test-support/jtreg_open_test_hotspot_jtreg_runtime_cds/classes/1/test/lib:/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk-19+5-210/src.full/open/test/lib:/System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/javatest.jar:/System/Volumes/Data/mesos/work_dir/jib-master/install/jtreg/6.1/1/bundles/jtreg-6.1+1.zip/jtreg/lib/jtreg.jar -XX:MaxRAMPercentage=12.5 -Djava.io.tmpdir=/System/Volumes/Data/mesos/work_dir/slaves/a2dc162d-743b-4800-9e92-31f85abb45b1-S60189/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/544c9c19-d1f2-4fc9-b1f8-4c637c7f7dc3/runs/9de2271c-aede-4fca-bc4d-00a1a67ef442/testoutput/test-support/jtreg_open_test_hotspot_jtreg_runtime_cds/tmp -Dtest.cds.runtime.options=-XX:+UseSerialGC -XX:+UseSerialGC -Xshare:auto -showversion -XX:SharedArchiveFile=/System/Volumes/Data/mesos/work_dir/slaves/a2dc162d-743b-4800-9e92-31f85abb45b1-S60189/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/544c9c19-d1f2-4fc9-b1f8-4c637c7f7dc3/runs/9de2271c-aede-4fca-bc4d-00a1a67ef442/testoutput/test-support/jtreg_open_test_hotspot_jtreg_runtime_cds/scratch/1/17-base-arhive-path-offset-01h10m29s690.jsa -Dtest.timeout.factor=4.0 -XX:+UnlockDiagnosticVMOptions -XX:VerifyArchivedFields=1 -Xlog:cds -XX:+VerifySharedSpaces -cp /System/Volumes/Data/mesos/work_dir/slaves/a2dc162d-743b-4800-9e92-31f85abb45b1-S60189/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/544c9c19-d1f2-4fc9-b1f8-4c637c7f7dc3/runs/9de2271c-aede-4fca-bc4d-00a1a67ef442/testoutput/test-support/jtreg_open_test_hotspot_jtreg_runtime_cds/scratch/1/hello.jar Hello ]
[2022-01-13T01:10:30.422900Z] Gathering output for process 6968
[ELAPSED: 3524 ms]
[logging stdout to /System/Volumes/Data/mesos/work_dir/slaves/a2dc162d-743b-4800-9e92-31f85abb45b1-S60189/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/544c9c19-d1f2-4fc9-b1f8-4c637c7f7dc3/runs/9de2271c-aede-4fca-bc4d-00a1a67ef442/testoutput/test-support/jtreg_open_test_hotspot_jtreg_runtime_cds/scratch/1/runtime.cds.appcds.SharedArchiveConsistency.java-0016-exec.stdout]
[logging stderr to /System/Volumes/Data/mesos/work_dir/slaves/a2dc162d-743b-4800-9e92-31f85abb45b1-S60189/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/544c9c19-d1f2-4fc9-b1f8-4c637c7f7dc3/runs/9de2271c-aede-4fca-bc4d-00a1a67ef442/testoutput/test-support/jtreg_open_test_hotspot_jtreg_runtime_cds/scratch/1/runtime.cds.appcds.SharedArchiveConsistency.java-0016-exec.stderr]
[STDERR]
java version "19-ea" 2022-09-20
Java(TM) SE Runtime Environment (fastdebug build 19-ea+5-210)
Java HotSpot(TM) 64-Bit Server VM (fastdebug build 19-ea+5-210, mixed mode)

Note: this test may fail in very rare occasions due to CRC32 checksum collision
----------System.err:(1/15)----------
STATUS:Passed.
----------rerun:(36/7260)*----------

The test passed while the timeout handler was running.