The following test timed out in the JDK22 CI:

java/nio/channels/vthread/BlockingChannelOps.java#direct-register

Here's a snippet from the log file:

#section:junit
----------messages:(8/353)----------
command: junit -Djdk.useDirectRegister BlockingChannelOps
reason: User specified action: run junit/othervm -Djdk.useDirectRegister BlockingChannelOps
started: Fri Sep 01 09:53:08 UTC 2023
Mode: othervm [/othervm specified]
Timeout information:
--- Timeout information end.
finished: Fri Sep 01 10:03:31 UTC 2023
elapsed time (seconds): 622.704
----------configuration:(0/0)----------
----------System.out:(871/62503)----------
-- VirtualThread[#106]/waiting --
  java.base/java.lang.VirtualThread.parkNanos(VirtualThread.java:621)
  java.base/java.lang.System$2.parkVirtualThread(System.java:2649)
  java.base/jdk.internal.misc.VirtualThreads.park(VirtualThreads.java:67)
  java.base/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:408)
  java.base/sun.nio.ch.Poller.pollDirect(Poller.java:116)
  java.base/sun.nio.ch.Poller.poll(Poller.java:100)
  java.base/sun.nio.ch.Poller.poll(Poller.java:87)
  java.base/sun.nio.ch.DatagramChannelImpl.park(DatagramChannelImpl.java:494)
  java.base/sun.nio.ch.DatagramChannelImpl.tryBlockingReceive(DatagramChannelImpl.java:762)
  java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:692)
  java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:204)
  BlockingChannelOps.lambda$testDatagramSocketAdaptorReceive$24(BlockingChannelOps.java:530)
  jdk.test.lib.thread.VThreadRunner.lambda$run$0(VThreadRunner.java:71)
  java.base/java.lang.VirtualThread.run(VirtualThread.java:309)

<snip>

-- VirtualThread[#106]/waiting --
  java.base/java.lang.VirtualThread.parkNanos(VirtualThread.java:621)
  java.base/java.lang.System$2.parkVirtualThread(System.java:2649)
  java.base/jdk.internal.misc.VirtualThreads.park(VirtualThreads.java:67)
  java.base/java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:408)
  java.base/sun.nio.ch.Poller.pollDirect(Poller.java:116)
  java.base/sun.nio.ch.Poller.poll(Poller.java:100)
  java.base/sun.nio.ch.Poller.poll(Poller.java:87)
  java.base/sun.nio.ch.DatagramChannelImpl.park(DatagramChannelImpl.java:494)
  java.base/sun.nio.ch.DatagramChannelImpl.tryBlockingReceive(DatagramChannelImpl.java:762)
  java.base/sun.nio.ch.DatagramChannelImpl.blockingReceive(DatagramChannelImpl.java:692)
  java.base/sun.nio.ch.DatagramSocketAdaptor.receive(DatagramSocketAdaptor.java:204)
  BlockingChannelOps.lambda$testDatagramSocketAdaptorReceive$24(BlockingChannelOps.java:530)
  jdk.test.lib.thread.VThreadRunner.lambda$run$0(VThreadRunner.java:71)
  java.base/java.lang.VirtualThread.run(VirtualThread.java:309)
----------System.err:(69/6414)----------
STARTED BlockingChannelOps::testPipeReadInterrupt 'testPipeReadInterrupt()'
SUCCESSFUL BlockingChannelOps::testPipeReadInterrupt 'testPipeReadInterrupt()'
STARTED BlockingChannelOps::testServerSocketChannelAccept1 'testServerSocketChannelAccept1()'
SUCCESSFUL BlockingChannelOps::testServerSocketChannelAccept1 'testServerSocketChannelAccept1()'
STARTED BlockingChannelOps::testServerSocketChannelAccept2 'testServerSocketChannelAccept2()'
SUCCESSFUL BlockingChannelOps::testServerSocketChannelAccept2 'testServerSocketChannelAccept2()'
STARTED BlockingChannelOps::testServerSocketChannelAcceptAsyncClose 'testServerSocketChannelAcceptAsyncClose()'
SUCCESSFUL BlockingChannelOps::testServerSocketChannelAcceptAsyncClose 'testServerSocketChannelAcceptAsyncClose()'
STARTED BlockingChannelOps::testSocketChannelRead 'testSocketChannelRead()'
SUCCESSFUL BlockingChannelOps::testSocketChannelRead 'testSocketChannelRead()'
STARTED BlockingChannelOps::testSocketChannelReadInterrupt 'testSocketChannelReadInterrupt()'
SUCCESSFUL BlockingChannelOps::testSocketChannelReadInterrupt 'testSocketChannelReadInterrupt()'
STARTED BlockingChannelOps::testSocketChannelAdaptorAccept1 'testSocketChannelAdaptorAccept1()'
SUCCESSFUL BlockingChannelOps::testSocketChannelAdaptorAccept1 'testSocketChannelAdaptorAccept1()'
STARTED BlockingChannelOps::testSocketChannelAdaptorAccept2 'testSocketChannelAdaptorAccept2()'
SUCCESSFUL BlockingChannelOps::testSocketChannelAdaptorAccept2 'testSocketChannelAdaptorAccept2()'
STARTED BlockingChannelOps::testServerSocketChannelAcceptInterrupt 'testServerSocketChannelAcceptInterrupt()'
SUCCESSFUL BlockingChannelOps::testServerSocketChannelAcceptInterrupt 'testServerSocketChannelAcceptInterrupt()'
STARTED BlockingChannelOps::testPipeWriteAsyncClose 'testPipeWriteAsyncClose()'
SUCCESSFUL BlockingChannelOps::testPipeWriteAsyncClose 'testPipeWriteAsyncClose()'
STARTED BlockingChannelOps::testPipeReadWrite1 'testPipeReadWrite1()'
SUCCESSFUL BlockingChannelOps::testPipeReadWrite1 'testPipeReadWrite1()'
STARTED BlockingChannelOps::testPipeReadWrite2 'testPipeReadWrite2()'
SUCCESSFUL BlockingChannelOps::testPipeReadWrite2 'testPipeReadWrite2()'
STARTED BlockingChannelOps::testPipeReadWrite3 'testPipeReadWrite3()'
SUCCESSFUL BlockingChannelOps::testPipeReadWrite3 'testPipeReadWrite3()'
STARTED BlockingChannelOps::testSocketChannelWrite 'testSocketChannelWrite()'
SUCCESSFUL BlockingChannelOps::testSocketChannelWrite 'testSocketChannelWrite()'
STARTED BlockingChannelOps::testDatagramSocketAdaptorReceiveInterrupt1 'testDatagramSocketAdaptorReceiveInterrupt1()'
SUCCESSFUL BlockingChannelOps::testDatagramSocketAdaptorReceiveInterrupt1 'testDatagramSocketAdaptorReceiveInterrupt1()'
STARTED BlockingChannelOps::testDatagramSocketAdaptorReceiveInterrupt2 'testDatagramSocketAdaptorReceiveInterrupt2()'
SUCCESSFUL BlockingChannelOps::testDatagramSocketAdaptorReceiveInterrupt2 'testDatagramSocketAdaptorReceiveInterrupt2()'
STARTED BlockingChannelOps::testDatagramSocketAdaptorReceiveAsyncClose1 'testDatagramSocketAdaptorReceiveAsyncClose1()'
SUCCESSFUL BlockingChannelOps::testDatagramSocketAdaptorReceiveAsyncClose1 'testDatagramSocketAdaptorReceiveAsyncClose1()'
STARTED BlockingChannelOps::testDatagramSocketAdaptorReceiveAsyncClose2 'testDatagramSocketAdaptorReceiveAsyncClose2()'
SUCCESSFUL BlockingChannelOps::testDatagramSocketAdaptorReceiveAsyncClose2 'testDatagramSocketAdaptorReceiveAsyncClose2()'
STARTED BlockingChannelOps::testSocketChannelReadWrite1 'testSocketChannelReadWrite1()'
SUCCESSFUL BlockingChannelOps::testSocketChannelReadWrite1 'testSocketChannelReadWrite1()'
STARTED BlockingChannelOps::testSocketChannelWriteAsyncClose 'testSocketChannelWriteAsyncClose()'
SUCCESSFUL BlockingChannelOps::testSocketChannelWriteAsyncClose 'testSocketChannelWriteAsyncClose()'
STARTED BlockingChannelOps::testSocketAdaptorRead1 'testSocketAdaptorRead1()'
SUCCESSFUL BlockingChannelOps::testSocketAdaptorRead1 'testSocketAdaptorRead1()'
STARTED BlockingChannelOps::testSocketAdaptorRead2 'testSocketAdaptorRead2()'
SUCCESSFUL BlockingChannelOps::testSocketAdaptorRead2 'testSocketAdaptorRead2()'
STARTED BlockingChannelOps::testDatagramChannelReceiveAsyncClose 'testDatagramChannelReceiveAsyncClose()'
SUCCESSFUL BlockingChannelOps::testDatagramChannelReceiveAsyncClose 'testDatagramChannelReceiveAsyncClose()'
STARTED BlockingChannelOps::testDatagramChannelReceiveInterrupt 'testDatagramChannelReceiveInterrupt()'
SUCCESSFUL BlockingChannelOps::testDatagramChannelReceiveInterrupt 'testDatagramChannelReceiveInterrupt()'
STARTED BlockingChannelOps::testDatagramChannelSendReceive1 'testDatagramChannelSendReceive1()'
SUCCESSFUL BlockingChannelOps::testDatagramChannelSendReceive1 'testDatagramChannelSendReceive1()'
STARTED BlockingChannelOps::testDatagramChannelSendReceive2 'testDatagramChannelSendReceive2()'
SUCCESSFUL BlockingChannelOps::testDatagramChannelSendReceive2 'testDatagramChannelSendReceive2()'
STARTED BlockingChannelOps::testPipeWriteInterrupt 'testPipeWriteInterrupt()'
SUCCESSFUL BlockingChannelOps::testPipeWriteInterrupt 'testPipeWriteInterrupt()'
STARTED BlockingChannelOps::testSocketChannelWriteInterrupt 'testSocketChannelWriteInterrupt()'
SUCCESSFUL BlockingChannelOps::testSocketChannelWriteInterrupt 'testSocketChannelWriteInterrupt()'
STARTED BlockingChannelOps::testDatagramSocketAdaptorReceive1 'testDatagramSocketAdaptorReceive1()'
SUCCESSFUL BlockingChannelOps::testDatagramSocketAdaptorReceive1 'testDatagramSocketAdaptorReceive1()'
STARTED BlockingChannelOps::testDatagramSocketAdaptorReceive2 'testDatagramSocketAdaptorReceive2()'
SUCCESSFUL BlockingChannelOps::testDatagramSocketAdaptorReceive2 'testDatagramSocketAdaptorReceive2()'
STARTED BlockingChannelOps::testPipeReadAsyncClose 'testPipeReadAsyncClose()'
SUCCESSFUL BlockingChannelOps::testPipeReadAsyncClose 'testPipeReadAsyncClose()'
STARTED BlockingChannelOps::testSocketChannelReadAsyncClose 'testSocketChannelReadAsyncClose()'
SUCCESSFUL BlockingChannelOps::testSocketChannelReadAsyncClose 'testSocketChannelReadAsyncClose()'

[ JUnit Containers: found 4, started 4, succeeded 4, failed 0, aborted 0, skipped 0]
[ JUnit Tests: found 32, started 32, succeeded 32, failed 0, aborted 0, skipped 0]

STATUS:Passed.
----------rerun:(45/6493)*----------

<snip>

result: Error. Program `c:\ade\mesos\work_dir\jib-master\install\jdk-22+14-975\windows-x64-debug.jdk\jdk-22\fastdebug\bin\java' timed out (timeout set to 480000ms, elapsed time including timeout handling was 622687ms).


Default timeout value of 120 seconds/2 minutes with a default timeoutFactor
of 4 means a total timeout of 480 seconds/8 minutes. The run executed
for 622.704 seconds. The test did manage to pass while the timeout handler
was running.