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  1. JDK
  2. JDK-8236153

ZGC: gc/z/TestUncommit.java fails with java.lang.Exception: Uncommitted too fast

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Details

    • Bug
    • Resolution: Fixed
    • P4
    • 15
    • 14
    • hotspot
    • gc
    • b06

    Description

      Test gc/z/TestUncommit.java failed once in JDK 14 b27 on Windows 2019.
      Log:
      ----------System.out:(75/1922)----------
      Iteration 0
        Uncommit Enabled: true
          Uncommit Delay: 10
             Object Size: 4096
              Alloc Size: 209715200
            Before Alloc: 134217728
             After Alloc: 264241152
         Before Uncommit: 247463936
          After Uncommit: 134217728

        Uncommit Enabled: true
          Uncommit Delay: 10
             Object Size: 2097152
              Alloc Size: 209715200
            Before Alloc: 134217728
             After Alloc: 459276288
         Before Uncommit: 444596224
          After Uncommit: 134217728

        Uncommit Enabled: true
          Uncommit Delay: 10
             Object Size: 209715200
              Alloc Size: 209715200
            Before Alloc: 134217728
             After Alloc: 262144000
         Before Uncommit: 262144000
          After Uncommit: 134217728

      Iteration 1
        Uncommit Enabled: true
          Uncommit Delay: 10
             Object Size: 4096
              Alloc Size: 209715200
            Before Alloc: 134217728
             After Alloc: 270532608
         Before Uncommit: 253755392
          After Uncommit: 134217728

        Uncommit Enabled: true
          Uncommit Delay: 10
             Object Size: 2097152
              Alloc Size: 209715200
            Before Alloc: 134217728
             After Alloc: 459276288
         Before Uncommit: 459276288
          After Uncommit: 134217728

        Uncommit Enabled: true
          Uncommit Delay: 10
             Object Size: 209715200
              Alloc Size: 209715200
            Before Alloc: 134217728
             After Alloc: 253755392
         Before Uncommit: 230686720
          After Uncommit: 134217728

      Iteration 2
        Uncommit Enabled: true
          Uncommit Delay: 10
             Object Size: 4096
              Alloc Size: 209715200
            Before Alloc: 134217728
             After Alloc: 270532608
         Before Uncommit: 243269632
          After Uncommit: 134217728

        Uncommit Enabled: true
          Uncommit Delay: 10
             Object Size: 2097152
              Alloc Size: 209715200
            Before Alloc: 134217728
             After Alloc: 459276288
         Before Uncommit: 134217728
          After Uncommit: 134217728

      ----------System.err:(14/848)----------
      java.lang.Exception: Uncommitted too fast
      at gc.z.TestUncommit.test(TestUncommit.java:96)
      at gc.z.TestUncommit.main(TestUncommit.java:125)
      at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.base/java.lang.reflect.Method.invoke(Method.java:564)
      at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
      at java.base/java.lang.Thread.run(Thread.java:832)

      JavaTest Message: Test threw exception: java.lang.Exception: Uncommitted too fast
      JavaTest Message: shutting down test

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              pliden Per Liden (Inactive)
              lmesnik Leonid Mesnik
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                Updated:
                Resolved: