RFR (S/M): 8169703: G1 crashes with guarantee(pretouch_gang != NULL) failed: No pretouch gang specified

Thomas Schatzl thomas.schatzl at oracle.com
Fri Nov 18 12:40:31 UTC 2016


Hi,

  thanks for you looking into this...

On Fri, 2016-11-18 at 15:24 +0300, Dmitry Dmitriev wrote:
> Hi Thomas,
> 
> Can comment only new test
> test/gc/g1/TestSharedArchiveWithPreTouch.java:
> 1) Can you please use different name for archive to avoid
> intersection 
> with existing tests? E.g. "SharedArchiveWithPreTouch.jsa" instead of 
> "CDSCompressedKPtrs.jsa".

Will fix and rerun jprt. I copy&pasted the name from the other tests :)

> 2) Just interesting: Is it intended behavior of the test to use 
> UseCompressedClassPointers and UseCompressedOops?

CDS is only supported with both options enabled on 64 bit systems. So
the test needs to enable them manually.

Thanks,
  Thomas




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