The following test timed out in the JDK22 CI:

java/foreign/critical/TestCriticalUpcall.java

Here's a snippet from the log file:

#section:testng
----------messages:(6/325)----------
command: testng --enable-native-access=ALL-UNNAMED TestCriticalUpcall
reason: User specified action: run testng/othervm --enable-native-access=ALL-UNNAMED TestCriticalUpcall
started: Thu Dec 21 07:19:03 UTC 2023
Mode: othervm [/othervm specified]
finished: Thu Dec 21 07:23:07 UTC 2023
elapsed time (seconds): 243.389
----------configuration:(0/0)----------
----------System.out:(46/4835)*----------
NativeTestHelper::DEFAULT_RANDOM.seed = -2045637488
Re-run with '-DNativeTestHelper.DEFAULT_RANDOM.seed=-2045637488' to reproduce
Command line: [c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-22+29-2283\\windows-x64-debug.jdk\\jdk-22\\fastdebug\\bin\\java.exe -cp C:\\sb\\prod\\1703142722\\testoutput\\test-support\\jtreg_open_test_jdk_tier1\\classes\\2\\java\\foreign\\critical\\TestCriticalUpcall.d;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-22+29-2283\\src.full\\open\\test\\jdk\\java\\foreign\\critical;C:\\sb\\prod\\1703142722\\testoutput\\test-support\\jtreg_open_test_jdk_tier1\\classes\\2\\java\\foreign;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-22+29-2283\\src.full\\open\\test\\jdk\\java\\foreign;C:\\sb\\prod\\1703142722\\testoutput\\test-support\\jtreg_open_test_jdk_tier1\\classes\\2\\test\\lib;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-22+29-2283\\src.full\\open\\test\\lib;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\7.3.1\\1\\bundles\\jtreg-7.3.1+1.zip\\jtreg\\lib\\testng-7.3.0.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\7.3.1\\1\\bundles\\jtreg-7.3.1+1.zip\\jtreg\\lib\\jcommander-1.82.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\7.3.1\\1\\bundles\\jtreg-7.3.1+1.zip\\jtreg\\lib\\guice-5.1.0.jar;C:\\ade\\mesos\\work_dir\\jib-master\\install\\jtreg\\7.3.1\\1\\bundles\\jtreg-7.3.1+1.zip\\jtreg\\lib\\jtreg.jar -Xmx768m -XX:MaxRAMPercentage=4.16667 -Dtest.boot.jdk=c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk\\21\\35\\bundles\\windows-x64\\jdk-21_windows-x64_bin.zip\\jdk-21 -Djava.io.tmpdir=c:\\sb\\prod\\1703142722\\testoutput\\test-support\\jtreg_open_test_jdk_tier1\\tmp -XX:+CreateCoredumpOnCrash -ea -esa -Duse.JTREG_TEST_THREAD_FACTORY=Virtual -XX:-VerifyContinuations --enable-native-access=ALL-UNNAMED -Djava.library.path=c:\\ade\\mesos\\work_dir\\jib-master\\install\\jdk-22+29-2283\\windows-x64-debug.test\\jdk\\jtreg\\native -Djdk.internal.foreign.UpcallLinker.USE_SPEC=true -Dtest.thread.factory=Virtual jdk.test.lib.process.ProcessTools Virtual TestCriticalUpcall$Runner ]
test TestCriticalUpcall.testUpcallFailure(): failure
java.lang.AssertionError: Time out while waiting for process expected [true] but found [false]
at org.testng.Assert.fail(Assert.java:99)
at org.testng.Assert.failNotEquals(Assert.java:1037)
at org.testng.Assert.assertTrue(Assert.java:45)
at UpcallTestHelper.runInNewProcess(UpcallTestHelper.java:57)
at UpcallTestHelper.runInNewProcess(UpcallTestHelper.java:38)
at TestCriticalUpcall.testUpcallFailure(TestCriticalUpcall.java:46)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:132)
at org.testng.internal.TestInvoker.invokeMethod(TestInvoker.java:599)
at org.testng.internal.TestInvoker.invokeTestMethod(TestInvoker.java:174)
at org.testng.internal.MethodRunner.runInSequence(MethodRunner.java:46)
at org.testng.internal.TestInvoker$MethodInvocationAgent.invoke(TestInvoker.java:822)
at org.testng.internal.TestInvoker.invokeTestMethods(TestInvoker.java:147)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:146)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:128)
at java.base/java.util.ArrayList.forEach(ArrayList.java:1597)
at org.testng.TestRunner.privateRun(TestRunner.java:764)
at org.testng.TestRunner.run(TestRunner.java:585)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:384)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:378)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:337)
at org.testng.SuiteRunner.run(SuiteRunner.java:286)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:53)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:96)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1218)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1140)
at org.testng.TestNG.runSuites(TestNG.java:1069)
at org.testng.TestNG.run(TestNG.java:1037)
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:102)
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:58)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.VirtualThread.run(VirtualThread.java:321)

===============================================
java/foreign/critical/TestCriticalUpcall.java
Total tests run: 1, Passes: 0, Failures: 1, Skips: 0
===============================================

----------System.err:(12/696)----------
java.lang.Exception: failures: 1
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:104)
at com.sun.javatest.regtest.agent.TestNGRunner.main(TestNGRunner.java:58)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
at java.base/java.lang.VirtualThread.run(VirtualThread.java:321)

JavaTest Message: Test threw exception: java.lang.Exception: failures: 1
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.Exception: failures: 1
----------rerun:(47/7340)*----------

It looks like the test timed out waiting for a sub-process to finish.