The following test timed out in the JDK17 CI:

compiler/whitebox/BlockingCompilation.java

Here's a snippet from the log file:

#section:main
----------messages:(7/564)----------
command: main -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+PrintCompilation compiler.whitebox.BlockingCompilation
reason: User specified action: run main/othervm -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+PrintCompilation compiler.whitebox.BlockingCompilation
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.base --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
Timeout information:
--- Timeout information end.
elapsed time (seconds): 507.548
----------configuration:(4/111)----------
Boot Layer
  add modules: java.base
  add exports: java.base/jdk.internal.misc ALL-UNNAMED

----------System.out:(314/25030)----------
    181 1 3 java.lang.String::isLatin1 (19 bytes)
    187 2 3 java.lang.String::hashCode (60 bytes)
    189 3 3 java.lang.StringLatin1::hashCode (42 bytes)

<snip>

  25891 255 3 sun.hotspot.WhiteBox::isMethodCompiled (12 bytes)
  25990 256 n 0 java.lang.Thread::sleep (native) (static)
  38704 257 n 0 sun.hotspot.WhiteBox::isMethodCompiled0 (native)
Timeout refired 480 times
 481265 258 3 java.util.HashMap::putVal (300 bytes)
 481266 261 n 0 jdk.internal.misc.Unsafe::putReferenceVolatile (native)
 481269 264 4 java.lang.AbstractStringBuilder::ensureCapacityInternal (39 bytes)

<snip>

 495431 281 3 java.lang.invoke.MethodType::equals (56 bytes)
 495433 284 3 java.lang.invoke.MethodType::checkSlotCount (33 bytes)
 495435 282 1 java.util.HashMap::size (5 bytes)
----------System.err:(0/0)----------
----------rerun:(44/8460)*----------

<snip>

result: Error. Program `/opt/mach5/mesos/work_dir/jib-master/install/jdk-17+11-775/linux-x64-debug.jdk/jdk-17/fastdebug/bin/java' timed out (timeout set to 480000ms, elapsed time including timeout handling was 507545ms).