Segmentation fault with NUMA aware ParallelScavange GC

[Igor Veresov]

Hi, Lokesh,

Could you please check if 6u25 works?

Thanks you!
igor

On 7/28/11 3:36 PM, Lokesh Gidra wrote:
> Hi Igor,
>
> Yes, its a Linux box with 2.6.35-22-server kernel version. Its running a
> 64-bit ubuntu server.
>
> Yes it does reproduce with -XX:-UseLargePages option.
>
> Please let me know if you need any other information.
>
> Regards,
> Lokesh
>
>     ------------------------------------------------------------------------
>     *From:* Igor Veresov <igor.veresov at oracle.com>
>     *To:* hotspot-gc-dev at openjdk.java.net
>     *Sent:* Thursday, 28 July 2011 11:14 PM
>     *Subject:* Re: Segmentation fault with NUMA aware ParallelScavange GC
>
>     Hi!
>
>     This is Linux, right?
>     What kernel version do you have?
>     Does it reproduce with -XX:-UseLargePages?
>
>     igor
>
>     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
>
>
>