Hi
add the following line in /etc/openmpi-mca-params.conf
btl=^openib




----- Original Message -----
From: "Jeff Squyres" <jsquy...@cisco.com>
To: "Open MPI Users" <us...@open-mpi.org>
Sent: Friday, January 11, 2008 12:32:10 AM (GMT+0330) Asia/Tehran
Subject: Re: [OMPI users] openib problems

This can mean that you have a user-level libibverbs and kernel mismatch.

Do any of the OFED sample programs work properly, or perhaps the  
ibv_devinfo program?  (ibv_devinfo should query the HCAs on your host  
and list the status of all the ports)



On Jan 10, 2008, at 2:33 PM, Brock Palen wrote:

> We just updated rhel4 a few days back and now we get the following
> errors when trying to run on infiniband nodes with openmpi-1.2.3 and
> openmpi-1.2.0
>
> [0,1,1]: OpenIB on host nyx397 was unable to find any HCAs.
> Another transport will be used instead, although this may result in
> lower performance.
> ------------------------------------------------------------------------
> --
> libibverbs: Warning: no userspace device-specific driver found for /
> sys/class/infiniband_verbs/uverbs0
> libibverbs: Warning: no userspace device-specific driver found for /
> sys/class/infiniband_verbs/uverbs0
>
>
> Has anyone ever seen this error before?  We are not that
> knowledgeable in infiniband so any help would be great.
>
>
> Brock Palen
> Center for Advanced Computing
> bro...@umich.edu
> (734)936-1985
>
>
> _______________________________________________
> users mailing list
> us...@open-mpi.org
> http://www.open-mpi.org/mailman/listinfo.cgi/users


-- 
Jeff Squyres
Cisco Systems

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