RFR (S): 8076995: gc/ergonomics/TestDynamicNumberOfGCThreads.java failed with java.lang.RuntimeException: 'new_active_workers' missing from stdout/stderr

[Derek White]

Hi All,

Please review this fix for:
https://bugs.openjdk.java.net/browse/JDK-8076995

Webrev:
http://cr.openjdk.java.net/~drwhite/8076995/webrev.00/

Summary:

Part 1 is a test bug that tries to run G1 on embedded SE builds. Not changed by this webrev.

Part two is assertion failure that is being fixed by this webrev.

This is a fix for bug that triggered an assert when running CMS on very
small machines - 1 core x86, or 1-4 core ARM. This may seem unlikely but
  can easily happen when running virtual instances.

Failure stack traces also show bug crashing printing a stack trace, but this is being tracked in another bug.

Thanks,

- Derek




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