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Subject: Re: [OMPI users] SIGSEGV in opal_hwlock152_hwlock_bitmap_or.A // Bug in 'hwlock" ?
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2013-11-01 10:01:03


Hey Paul --

I'm going to move this over to the hwloc users list; let's see if we can get this issue addresses over there. I already noticed an oddity in the XML file you sent.

On Oct 31, 2013, at 1:28 PM, Paul Kapinos <kapinos_at_[hidden]> wrote:

> Hello all,
>
> using 1.7.x (1.7.2 and 1.7.3 tested), we get SIGSEGV from somewhere in-deepth of 'hwlock' library - see the attached screenshot.
>
> Because the error is strongly aligned to just one single node, which in turn is kinda special one (see output of 'lstopo -'), it smells like an error in the 'hwlock' library.
>
> Is there a way to disable hwlock or to debug it in somehow way?
> (besides to build a debug version of hwlock and OpenMPI)
>
> Best
>
> Paul
>
>
>
>
>
>
>
> --
> Dipl.-Inform. Paul Kapinos - High Performance Computing,
> RWTH Aachen University, Center for Computing and Communication
> Seffenter Weg 23, D 52074 Aachen (Germany)
> Tel: +49 241/80-24915
> <lstopo_linuxitvc00.txt><opal_hwlock_SIGSEGV.png><lstopo_linuxitvc00.xml>_______________________________________________
> users mailing list
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-- 
Jeff Squyres
jsquyres_at_[hidden]
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