The following test timed out in the JDK16 CI:

runtime/LoadClass/TestResize.java

Here's a snippet from the log file:

#section:driver
----------messages:(9/297)----------
command: driver TestResize
reason: User specified action: run driver TestResize
Mode: agentvm
Agent id: 23
Additional exports to unnamed modules from @modules: java.base/jdk.internal.misc
Timeout refired 480 times
Timeout information:
--- Timeout information end.
elapsed time (seconds): 543.012
----------configuration:(14/1860)----------

<snip>

----------System.out:(8/1957)----------
Command line: [/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk-16+13-509/linux-aarch64-debug.jdk/jdk-16/fastdebug/bin/java -cp /scratch/opt/mach5/mesos/work_dir/slaves/1a7cca38-e299-473e-97af-f3151e5423d5-S71156/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/a7670255-4d8c-496e-8b40-59762c3058f9/runs/e3c2f726-ea93-4856-bc9d-59cf6756870b/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/1/runtime/LoadClass/TestResize.d:/scratch/opt/mach5/mesos/work_dir/jib-master/install/jdk-16+13-509/src.full/open/test/hotspot/jtreg/runtime/LoadClass:/scratch/opt/mach5/mesos/work_dir/slaves/1a7cca38-e299-473e-97af-f3151e5423d5-S71156/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/a7670255-4d8c-496e-8b40-59762c3058f9/runs/e3c2f726-ea93-4856-bc9d-59cf6756870b/testoutput/test-support/jtreg_open_test_hotspot_jtreg_hotspot_runtime/classes/1/test/lib:/scratch/opt/mach5/mesos/work_dir/jib-master/install/jtreg/5.1/b01/bundles/jtreg_bin-5.1.zip/jtreg/lib/javatest.jar:/scratch/opt/mach5/mesos/work_dir/jib-master/install/jtreg/5.1/b01/bundles/jtreg_bin-5.1.zip/jtreg/lib/jtreg.jar:/scratch/opt/mach5/mesos/work_dir/jib-master/install/jtreg/5.1/b01/bundles/jtreg_bin-5.1.zip/jtreg/lib/junit.jar:/scratch/opt/mach5/mesos/work_dir/jib-master/install/jtreg/5.1/b01/bundles/jtreg_bin-5.1.zip/jtreg/lib/testng.jar -XX:+PrintSystemDictionaryAtExit -Xlog:safepoint+cleanup TriggerResize 50000 ]
[2020-08-25T18:34:28.982057325Z] Gathering output for process 15872
[2020-08-25T18:42:38.634437725Z] Waiting for completion for process 15872
[2020-08-25T18:42:38.634844050Z] Waiting for completion finished for process 15872
PASS table_size: 40423, classes: 50002, load factor: 1.2369690522722212 <= 5.0
PASS table_size: 107, classes: 0, load factor: 0.0 <= 5.0
PASS table_size: 1009, classes: 6, load factor: 0.005946481665014866 <= 5.0
PASS table_size: 1009, classes: 435, load factor: 0.4311199207135778 <= 5.0
----------System.err:(3/35)----------

JavaTest Message: Test complete.

result: Error. Agent error: java.lang.Exception: Agent 23 timed out with a timeout of 480 seconds; check console log for any additional details


test result: Error. Agent error: java.lang.Exception: Agent 23 timed out with a timeout of 480 seconds; check console log for any additional details