Request for Review (s) - 8154743: Internal Error: psParallelCompact.hpp assert(addr >= _region_start) failed: bad addr

Thomas Schatzl thomas.schatzl at oracle.com
Tue Apr 26 07:45:54 UTC 2016


Hi Jon,

On Mon, 2016-04-25 at 14:23 -0700, Jon Masamitsu wrote:
> 8154743: Internal Error: psParallelCompact.hpp assert(addr >=
> _region_start) failed: bad addr
> https://bugs.openjdk.java.net/browse/JDK-8154743
> 
> ParallelGC summarizes liveness information (among other things) into
> regions for parallel compaction.  It allows the calculation of the
> region
> index for the region just beyond the end of the heap but should not
> access that region.  One of the printing methods mistakenly did.
> 
> One line fix + more detail on a couple of the asserts + a test
> 
> http://cr.openjdk.java.net/~jmasa/8154743/webrev.00/
> 
> Tested with new test and with gc_test_suite (in progress) and
> -Xlog:all=trace.

  looks good to me. Thanks for the test :)

Thomas


More information about the hotspot-gc-dev mailing list