[ https://issues.apache.org/jira/browse/HARMONY-5159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12545840 ] 

Chen Yang commented on HARMONY-5159:
------------------------------------

I can meet the runtime exception in the Windows_x86 running:
[concurrent] Starting org.apache.harmony.test.stress.gc.frag.FragmentationSoftRefTest
Uncaught exception in profiler thread:
java.lang.OutOfMemoryError
        <no stack trace available>
[debug] total = 268435456, used = 1772092, ratio = 13, sizes = 1 - 2097152

The exception may make the run allitle longer than your specified time, thus result in timeout.
I believe the exception is caused by the profiler thread, not by GC.

For Linux, I will try to reproduce it firstly.

> [drlvm][gc]  stress tests org.apache.harmony.test.stress.gc.frag.Fragmentation hung
> -----------------------------------------------------------------------------------
>
>                 Key: HARMONY-5159
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5159
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Linux_x86,Windows x86
>            Reporter: Ilya Leviev
>            Assignee: Xiao-Feng Li
>
> stress tests org.apache.harmony.test.stress.gc.frag.Fragmentation hung
> Linux_x86:
> r595311
> stress.org.apache.harmony.test.stress.gc.frag.Fragmentation.FragmentationTest1024
> http://people.apache.org/~smishura/r595311/Linux_x86/stress/stress/org/apache/harmony/test/stress/gc/frag/Fragmentation/77_FragmentationTest1024-out.txt
> stress.org.apache.harmony.test.stress.gc.frag.FragmentationFinalizer.FragmentationFinalizerTest1024
> http://people.apache.org/~smishura/r595311/Linux_x86/stress/stress/org/apache/harmony/test/stress/gc/frag/FragmentationFinalizer/82_FragmentationFinalizerTest1024-out.txt
> stress.org.apache.harmony.test.stress.gc.frag.FragmentationReference.FragmentationSoftRefTest1024
> http://people.apache.org/~smishura/r595311/Linux_x86/stress/stress/org/apache/harmony/test/stress/gc/frag/FragmentationReference/91_FragmentationSoftRefTest1024-out.txt
> r597436
> stress.org.apache.harmony.test.stress.gc.frag.FragmentationFinalizer.FragmentationFinalizerTest16_1024
> Windows x86
> r597436
> stress.org.apache.harmony.test.stress.gc.frag.FragmentationReference.FragmentationSoftRefTest
> http://people.apache.org/~smishura/r597436/Windows_x86/stress/stress/org/apache/harmony/test/stress/gc/frag/FragmentationReference/90_FragmentationSoftRefTest-out.txt

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