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Subject: Re: [OMPI users] Error running program : mca_oob_tcp_msg_send_handler: writev:failed: Bad file descriptor
From: borja mf (borjamunozfernandez_at_[hidden])
Date: 2013-01-16 10:59:57


Getting the same error...
I forgot to say that I must to use Ubuntu and Im compiling with mpicc. My
code is written on C.

Thank for answer.

Im going crazy with this problem. There's not much info about.

2013/1/16 Jeff Squyres (jsquyres) <jsquyres_at_[hidden]>

> Try disabling firewalling between your nodes. The easiest way is "sudo
> service iptables stop".
>
>
> On Jan 16, 2013, at 7:46 AM, borja mf <borjamunozfernandez_at_[hidden]>
> wrote:
>
> > Hello all.
> > I want to learn MPI and I've trying to setting up OMPI for first time on
> three nodes. My config above:
> > Ubuntu server - master node: pruebaborja
> > 2x Ubuntu Desktop - slaves node:
> > clienteprueba
> > clientepruebados 4 slots
> >
> > Im running NFSv4 for sharing /home/mpiuser.
> > I want to test a plain "Hello world"but I can't make it working
> successfully on node clienteprueba. This is the problem:
> >
> > mpiuser_at_pruebaborja:~$ mpirun -np 6 --hostfile .mpi_hostfile ./holamundo
> > [clienteprueba:01993] [[64434,0], 2] -> [[64434,0],0]
> mca_oob_tcp_msg_send_handler: writev:failed: Bad file descriptor (9) [sd =
> 9]
> > [clienteprueba:01993] [[64434,0], 2] routed:binomial: Connection to
> lifeline [[64434,0],0] lost
> >
> > However, with clientepruebados and pruebaborja only on my hostfile, it
> works:
> >
> > pruebaborja slots=1
> > clientepruebados slots=4
> > #clienteprueba slots=1
> >
> > mpiuser_at_pruebaborja:~$ mpirun -np 6 --hostfile .mpi_hostfile ./holamundo
> > Hola, mundo, soy pruebaborja: 0 de 6
> > Hola, mundo, soy pruebaborja: 5 de 6
> > Hola, mundo, soy clientepruebados: 1 de 6
> > Hola, mundo, soy clientepruebados: 2 de 6
> > Hola, mundo, soy clientepruebados: 3 de 6
> > Hola, mundo, soy clientepruebados: 4 de 6
> >
> > I've checked the OMPI versions on the machines and it's the same. I
> can't understand why Im getting this error on clienteprueba; i've done the
> same config on clientepruebados and clienteprueba. Anyone could help me to
> solve this?
> >
> > Sorry for my english.
> > Thanks in advance
> >
> >
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to:
> http://www.cisco.com/web/about/doing_business/legal/cri/
>
>
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