See this FAQ entry:
http://www.open-mpi.org/faq/?category=openfabrics#ib-locked-pages
On Jul 26, 2013, at 4:26 AM, thomas.fo...@ulstein.com 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.
>
>
>
>
>
>
>
>
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--
Jeff Squyres
jsquy...@cisco.com
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