Let me steer you on a different course. Can you run "ompi_info" and paste the 
output here? It looks to me like someone installed a version that includes 
uDAPL support, so you may have to disable some additional things to get it to 
run.


On Jun 27, 2014, at 9:53 AM, Jeffrey A Cummings <jeffrey.a.cummi...@aero.org> 
wrote:

> We have recently upgraded our cluster to a version of Linux which comes with 
> openMPI version 1.6.2. 
> 
> An application which ran previously (using some version of 1.4) now errors 
> out with the following messages: 
> 
>         librdmacm: Fatal: no RDMA devices found 
>         librdmacm: Fatal: no RDMA devices found 
>         librdmacm: Fatal: no RDMA devices found 
>         
> -------------------------------------------------------------------------- 
>         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. 
>         
> -------------------------------------------------------------------------- 
>         [tupile:25363] 2 more processes have sent help message 
> help-mpi-btl-udapl.txt / dat_ia_open fail 
>         [tupile:25363] Set MCA parameter "orte_base_help_aggregate" to 0 to 
> see all help / error messages 
> 
> The mpirun command line contains the argument '--mca btl ^openib', which I 
> thought told mpi to not look for the ib interface. 
> 
> Can anyone suggest what the problem might be?  Did the relevant syntax change 
> between versions 1.4 and 1.6? 
> 
> 
> Jeffrey A. Cummings
> Engineering Specialist
> Performance Modeling and Analysis Department
> Systems Analysis and Simulation Subdivision
> Systems Engineering Division
> Engineering and Technology Group
> The Aerospace Corporation
> 571-307-4220
> jeffrey.a.cummi...@aero.org 
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