The following test failed in the JDK21 CI:

sun/java2d/DirectX/OnScreenRenderingResizeTest/OnScreenRenderingResizeTest.java

Here's a snippet from the log file:

#section:main
----------messages:(7/368)----------
command: main -Dsun.java2d.d3d=false OnScreenRenderingResizeTest
reason: User specified action: run main/othervm -Dsun.java2d.d3d=false OnScreenRenderingResizeTest
started: Thu Jan 26 05:25:09 UTC 2023
Mode: othervm [/othervm specified]
Additional options from @modules: --add-modules java.desktop
finished: Thu Jan 26 05:25:14 UTC 2023
elapsed time (seconds): 5.562
----------configuration:(3/40)----------
Boot Layer
  add modules: java.desktop

----------System.out:(1/50)----------
Screen shot file: OnScreenRenderingResizeTest.png
----------System.err:(12/762)----------
java.lang.RuntimeException: Test failed at 0-0 rgb=0xff000000
at OnScreenRenderingResizeTest.checkBI(OnScreenRenderingResizeTest.java:232)
at OnScreenRenderingResizeTest.main(OnScreenRenderingResizeTest.java:180)
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:125)
at java.base/java.lang.Thread.run(Thread.java:1623)

JavaTest Message: Test threw exception: java.lang.RuntimeException: Test failed at 0-0 rgb=0xff000000
JavaTest Message: shutting down test