The following tests failed in the JDK20 CI:

   2 runtime/os/TestTracePageSizes.java#G1
   3 runtime/os/TestTracePageSizes.java#Parallel
   3 runtime/os/TestTracePageSizes.java#Serial
   4 runtime/os/TestTracePageSizes.java#compiler-options
   4 runtime/os/TestTracePageSizes.java#explicit-large-page-size
   5 runtime/os/TestTracePageSizes.java#no-options

Here's a snippet from the runtime/os/TestTracePageSizes.java#Serial
log file for linux-x64-debug:

#section:main
----------messages:(4/308)----------
command: main -XX:+AlwaysPreTouch -Xmx128m -Xlog:pagesize:ps-%p.log -XX:+UseSerialGC TestTracePageSizes
reason: User specified action: run main/othervm -XX:+AlwaysPreTouch -Xmx128m -Xlog:pagesize:ps-%p.log -XX:+UseSerialGC TestTracePageSizes
Mode: othervm [/othervm specified]
elapsed time (seconds): 0.523
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(11/720)----------
java.lang.AssertionError: No memory range found for address: 0x00007fa878523000
at TestTracePageSizes.main(TestTracePageSizes.java:278)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:1589)

JavaTest Message: Test threw exception: java.lang.AssertionError: No memory range found for address: 0x00007fa878523000
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.AssertionError: No memory range found for address: 0x00007fa878523000
----------rerun:(38/6889)*----------