JDK-8263909 : misc tests timed out on a particular test machine
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 17
  • Priority: P4
  • Status: Closed
  • Resolution: External
  • OS: windows
  • CPU: x86_64
  • Submitted: 2021-03-21
  • Updated: 2021-05-20
  • Resolved: 2021-04-15
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JDK 17
17Resolved
Related Reports
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Description
The following test timed out during compilation with ZGC in the JDK17 CI:

vmTestbase/gc/memory/UniThread/Circular1/Circular1.java

Here's a snippet from the log file:

#section:compile
----------messages:(8/372)*----------
command: compile C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-17+15-1161\\src.full\\open\\test\\hotspot\\jtreg\\vmTestbase\\gc\\memory\\UniThread\\Circular1\\Circular1.java
reason: .class file out of date or does not exist
Mode: agentvm
Agent id: 12
Timeout refired 480 times
Timeout information:
--- Timeout information end.
elapsed time (seconds): 751.921
----------configuration:(14/1434)*----------
Boot Layer (javac runtime environment)
  class path: C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\5.1\\b01\\bundles\\jtreg_bin-5.1.zip\\jtreg\\lib\\javatest.jar 
              C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\5.1\\b01\\bundles\\jtreg_bin-5.1.zip\\jtreg\\lib\\jtreg.jar 
  patch:      java.base T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_vmTestbase_vm_gc_misc\\patches\\java.base

javac compilation environment
  source path: C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-17+15-1161\\src.full\\open\\test\\hotspot\\jtreg\\vmTestbase\\gc\\memory\\UniThread\\Circular1
               C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-17+15-1161\\src.full\\open\\test\\hotspot\\jtreg\\vmTestbase
               C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-17+15-1161\\src.full\\open\\test\\lib
  class path:  C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-17+15-1161\\src.full\\open\\test\\hotspot\\jtreg\\vmTestbase\\gc\\memory\\UniThread\\Circular1
               T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_vmTestbase_vm_gc_misc\\classes\\0\\vmTestbase\\gc\\memory\\UniThread\\Circular1\\Circular1.d
               T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_vmTestbase_vm_gc_misc\\classes\\0\\vmTestbase
               T:\\testoutput\\test-support\\jtreg_open_test_hotspot_jtreg_vmTestbase_vm_gc_misc\\classes\\0\\test\\lib

----------rerun:(42/6608)*----------

<snip>

result: Error. Agent error: java.lang.Exception: Agent 12 timed out with a timeout of 480 seconds; check console log for any additional details

Please note that this is a timeout DURING COMPILATION which
is strange. Since this is a GC test, I'm starting this issue in
hotspot/gc for initial triage.
Comments
Since both failing job sets happened on the same machine, it could be that there is something wrong with the test machine...
22-03-2021

Asking the compiler team to investigate: there were no changes specifically to Serial GC for quite some time, and the ones to ZGC seem inconspicuous.
22-03-2021