Segmentation fault with NUMA aware ParallelScavange GC

Igor Veresov igor.veresov at
Thu Jul 28 21:14:36 UTC 2011


This is Linux, right?
What kernel version do you have?
Does it reproduce with -XX:-UseLargePages?


On 7/28/11 2:23 AM, Lokesh Gidra wrote:
> Hi,
> I am trying to use the NUMA-aware implementation of ParallelScavenge GC
> of OpenJDK7 on a 8-node machine. Almost everytime I run it, I get a
> segmentation fault trying to access a page aligned address. The test is
> with DaCapo benchmarks which works fine with default setup. Although the
> address lies in the range of one of the lgrp's but in the memory maps,
> its not mapped anywhere. Can anyone please explain me what could be the
> problem. Please let me know if some additional information is needed.
> Best Regards,
> Lokesh

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