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Subject: Re: [OMPI users] Program runs successfully...but with error messages displayed
From: Lenny Verkhovsky (lenny.verkhovsky_at_[hidden])
Date: 2009-08-27 07:59:30


mostlike that you compiled MPI with --with-openib flag, but since there are
no openib devices avaliable on
n06 machine, you got an error.
you can "disable" this message by either recompilnig Open MPI without openib
flag, or by disabling openib btl
-mca btl ^openib
or
-mca btl sm,self,tcp
Lenny.

On Thu, Aug 27, 2009 at 1:36 PM, Jean Potsam <jeanpotsam_at_[hidden]> wrote:

> Dear All,
> I have installed openmpi 1.3.2 on one on the nodes of our
> cluster and is running a simple helloword mpi program. The program runs fine
> but I get a lot of unexpected messages in between the result.
>
> ##########################################
>
> jean_at_n06:~/examples$ mpirun -np 2 --host n06 hello_c
> libibverbs: Fatal: couldn't read uverbs ABI version.
> --------------------------------------------------------------------------
> [[11410,1],1]: A high-performance Open MPI point-to-point messaging module
> was unable to find any relevant network interfaces:
>
> Module: OpenFabrics (openib)
> Host: n06
>
> Another transport will be used instead, although this may result in
> lower performance.
> --------------------------------------------------------------------------
> libibverbs: Fatal: couldn't read uverbs ABI version.
>
> Hello, world, I am 0 of 2 and running on n06
> Hello, world, I am 1 of 2 and running on n06
>
>
> [n06:08470] 1 more process has sent help message help-mpi-btl-base.txt /
> btl:no-nics
> [n06:08470] Set MCA parameter "orte_base_help_aggregate" to 0 to see all
> help / error messages
>
> ##########################
>
> Does anyone know why these messages appear and how to fix this.
>
> Thanks
>
> Jean
>
> start: 0000-00-00 end: 0000-00-00
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