Re: [Rd] Rmpi on CentOS (64bit)

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Wed, 03 Mar 2010 08:42:00 +0000 (GMT)

There are many different versions of OpenMPI about. It looks like you have one that is set up for specialized hardware. Either this is the wrong version or a configuration error, and you will need to talk to your 'local System Administrator'.

Incidentally, you should not have to set LD_LIBRARY_PATH, but I frequently have had to add configuration files in /etc/ld.so.conf.d, including for openmpi on Fedora 12. On Fedora 10 (but not 12) MPI was under the /etc/alternatives mechanism, and had other problems. I currently have

gannet% cat /etc/ld.so.conf.d/openmpi-x86_64.conf /usr/lib64/openmpi/lib

on F12.

On Wed, 3 Mar 2010, Patrick Connolly wrote:

> I got Rmpi to compile with little difficulty, but had a tricky time
> setting the LD_LIBRARY_PATH to use the OpenMPI libs. I now get a
> different error when I try to load Rmpi
>
>
>> require(Rmpi)
> Loading required package: Rmpi
> librdmacm: couldn't read ABI version.
> librdmacm: assuming: 4
> libibverbs: Fatal: couldn't read uverbs ABI version.
> CMA: unable to open /dev/infiniband/rdma_cm
> --------------------------------------------------------------------------
> WARNING: Failed to open "OpenIB-cma" [DAT_INTERNAL_ERROR:].
> This may be a real error or it may be an invalid entry in the uDAPL
> Registry which is contained in the dat.conf file. Contact your local
> System Administrator to confirm the availability of the interfaces in
> the dat.conf file.
> --------------------------------------------------------------------------
>
> I don't have this problem with Fedora 11 and I'd have thought there
> would be little difference with CentOS (apart from the latter being 64
> bit).
>
> Is there something else that needs to be specified?
>
>
> TIA
>
> --
> ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.
> ___ Patrick Connolly
> {~._.~} Great minds discuss ideas
> _( Y )_ Average minds discuss events
> (:_~*~_:) Small minds discuss people
> (_)-(_) ..... Eleanor Roosevelt
>
> ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.
>
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-- 
Brian D. Ripley,                  ripley_at_stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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