Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] Locker memory Limits error
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2013-07-26 08:15:43


See this FAQ entry:

    http://www.open-mpi.org/faq/?category=openfabrics#ib-locked-pages

On Jul 26, 2013, at 4:26 AM, thomas.forde_at_[hidden] wrote:

> hi guys
>
> im having a strange problem when starting some jobs that i dont uderstand.
>
> its just 1 node that has an issue and i find it odd.
>
> The OpenFabrics (openib) BTL failed to initialize while trying to
> allocate some locked memory. This typically can indicate that the
> memlock limits are set too low. For most HPC installations, the
> memlock limits should be set to "unlimited". The failure occured
> here:
>
> OMPI source: btl_openib_component.c:1066
> Function: ompi_free_list_init_ex_new()
> Device: mlx4_0
> Memlock limit: 65536
>
>
> i have rechecked and verified everywhere that the limit is set to "unlimited".
>
> i can run the same job on other nodes and they have no problems, just so strnage that this one node crashes.
>
> running open_mpi 1.4.5
>
>
> not sure where to look next.
>
> this node was working 2 days ago, but after a reboot it has changed to this.
>
>
>
>
>
>
>
>
> Denne e-posten kan innehalde informasjon som er konfidensiell
> og/eller underlagt lovbestemt teieplikt. Kun den tiltenkte adressat har adgang
> til å lese eller vidareformidle denne e-posten eller tilhøyrande vedlegg. Dersom De ikkje er den tiltenkte mottakar, vennligst kontakt avsendar pr e-post, slett denne e-posten med vedlegg og makuler samtlige utskrifter og kopiar av den.
>
>
> This e-mail may contain confidential information, or otherwise
> be protected against unauthorised use. Any disclosure, distribution or other use of the information by anyone but the intended recipient is strictly prohibited.
> If you have received this e-mail in error, please advise the sender by immediate reply and destroy the received documents and any copies hereof.
>
>
>
> PBefore
> printing, think about the environment
>
>
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users
>

-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/