The test test/hotspot/jtreg/gc/g1/TestCodeCacheUnloadDuringConcCycle.java fails on linux-arm with the following stack trace
=======
java.lang.RuntimeException: Could not find a CodeCache GC Threshold GC after finishing the concurrent cycle: expected true, was false
        at jdk.test.lib.Asserts.fail(Asserts.java:715)
        at jdk.test.lib.Asserts.assertTrue(Asserts.java:545)
        at gc.g1.TestCodeCacheUnloadDuringConcCycle.runAndCheckTest(TestCodeCacheUnloadDuringConcCycle.java:94)
        at gc.g1.TestCodeCacheUnloadDuringConcCycle.allTests(TestCodeCacheUnloadDuringConcCycle.java:98)
        at gc.g1.TestCodeCacheUnloadDuringConcCycle.main(TestCodeCacheUnloadDuringConcCycle.java:104)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
        at java.base/java.lang.reflect.Method.invoke(Method.java:565)
        at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
        at java.base/java.lang.Thread.run(Thread.java:1474)
====

It seems that the size of the code cache is too large for this platform. Running with a reduced code cache of 4MB solves the problem. Unfortunately, the test started to fail on 64-bit platforms (linux-arm64).