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From: George Bosilca (bosilca_at_[hidden])
Date: 2006-03-16 15:41:42


I see only 2 possibilities:
1. your trying to run Open MPI on nodes having multiple IP
addresses.
2. your nodes are behind firewalls and Open MPI is unable to pass through.

Please check the FAQ on http://www.open-mpi.org/faq/ to find out the full
answer to your question.

   Thanks,
     george.

On Thu, 16 Mar 2006, Charles Wright wrote:

> Hello,
> I'm just compiled open-mpi and tried to run my code which just
> measures bandwidth from one node to another. (Code compile fine and
> runs under other mpi implementations)
>
> When I did I got this.
>
> uahrcw_at_c275-6:~/mpi-benchmarks> cat openmpitcp.o15380
> c317-6
> c317-5
> [c317-5:24979] [0,0,2]-[0,0,0] mca_oob_tcp_peer_complete_connect:
> connection failed (errno=110) - retrying (pid=24979)
> [c317-5:24979] mca_oob_tcp_peer_timer_handler
> [c317-5:24997] [0,1,1]-[0,0,0] mca_oob_tcp_peer_complete_connect:
> connection failed (errno=110) - retrying (pid=24997)
> [c317-5:24997] mca_oob_tcp_peer_timer_handler
>
> [0,1,1][btl_tcp_endpoint.c:559:mca_btl_tcp_endpoint_complete_connect]
> connect() failed with errno=110
>
>
> I compiled open-mpi with Pbspro 5.4-4 and I'm guessing that has
> something to do with it.
>
> I've attached my config.log
>
> Any help with this would be appreciated.
>
> uahrcw_at_c275-6:~/mpi-benchmarks> ompi_info
> Open MPI: 1.0.1r8453
> Open MPI SVN revision: r8453
> Open RTE: 1.0.1r8453
> Open RTE SVN revision: r8453
> OPAL: 1.0.1r8453
> OPAL SVN revision: r8453
> Prefix: /opt/asn/apps/openmpi-1.0.1
> Configured architecture: x86_64-unknown-linux-gnu
> Configured by: asnrcw
> Configured on: Fri Feb 24 15:19:37 CST 2006
> Configure host: c275-6
> Built by: asnrcw
> Built on: Fri Feb 24 15:40:09 CST 2006
> Built host: c275-6
> C bindings: yes
> C++ bindings: yes
> Fortran77 bindings: yes (all)
> Fortran90 bindings: no
> C compiler: gcc
> C compiler absolute: /usr/bin/gcc
> C++ compiler: g++
> C++ compiler absolute: /usr/bin/g++
> Fortran77 compiler: g77
> Fortran77 compiler abs: /usr/bin/g77
> Fortran90 compiler: ifort
> Fortran90 compiler abs: /opt/asn/intel/fce/9.0/bin/ifort
> C profiling: yes
> C++ profiling: yes
> Fortran77 profiling: yes
> Fortran90 profiling: no
> C++ exceptions: no
> Thread support: posix (mpi: no, progress: no)
> Internal debug support: no
> MPI parameter check: runtime
> Memory profiling support: no
> Memory debugging support: no
> libltdl support: 1
> MCA memory: malloc_hooks (MCA v1.0, API v1.0, Component
> v1.0.1)
> MCA paffinity: linux (MCA v1.0, API v1.0, Component v1.0.1)
> MCA maffinity: first_use (MCA v1.0, API v1.0, Component v1.0.1)
> MCA maffinity: libnuma (MCA v1.0, API v1.0, Component v1.0.1)
> MCA timer: linux (MCA v1.0, API v1.0, Component v1.0.1)
> MCA allocator: basic (MCA v1.0, API v1.0, Component v1.0)
> MCA allocator: bucket (MCA v1.0, API v1.0, Component v1.0)
> MCA coll: basic (MCA v1.0, API v1.0, Component v1.0.1)
> MCA coll: self (MCA v1.0, API v1.0, Component v1.0.1)
> MCA coll: sm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA io: romio (MCA v1.0, API v1.0, Component v1.0.1)
> MCA mpool: sm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA pml: ob1 (MCA v1.0, API v1.0, Component v1.0.1)
> MCA pml: teg (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ptl: self (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ptl: sm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ptl: tcp (MCA v1.0, API v1.0, Component v1.0.1)
> MCA btl: self (MCA v1.0, API v1.0, Component v1.0.1)
> MCA btl: sm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA btl: tcp (MCA v1.0, API v1.0, Component v1.0)
> MCA topo: unity (MCA v1.0, API v1.0, Component v1.0.1)
> MCA gpr: null (MCA v1.0, API v1.0, Component v1.0.1)
> MCA gpr: proxy (MCA v1.0, API v1.0, Component v1.0.1)
> MCA gpr: replica (MCA v1.0, API v1.0, Component v1.0.1)
> MCA iof: proxy (MCA v1.0, API v1.0, Component v1.0.1)
> MCA iof: svc (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ns: proxy (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ns: replica (MCA v1.0, API v1.0, Component v1.0.1)
> MCA oob: tcp (MCA v1.0, API v1.0, Component v1.0)
> MCA ras: dash_host (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ras: hostfile (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ras: localhost (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ras: slurm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA ras: tm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA rds: hostfile (MCA v1.0, API v1.0, Component v1.0.1)
> MCA rds: resfile (MCA v1.0, API v1.0, Component v1.0.1)
> MCA rmaps: round_robin (MCA v1.0, API v1.0, Component v1.0.1)
> MCA rmgr: proxy (MCA v1.0, API v1.0, Component v1.0.1)
> MCA rmgr: urm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA rml: oob (MCA v1.0, API v1.0, Component v1.0.1)
> MCA pls: daemon (MCA v1.0, API v1.0, Component v1.0.1)
> MCA pls: proxy (MCA v1.0, API v1.0, Component v1.0.1)
> MCA pls: fork (MCA v1.0, API v1.0, Component v1.0.1)
> MCA pls: rsh (MCA v1.0, API v1.0, Component v1.0.1)
> MCA pls: slurm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA pls: tm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA sds: env (MCA v1.0, API v1.0, Component v1.0.1)
> MCA sds: seed (MCA v1.0, API v1.0, Component v1.0.1)
> MCA sds: singleton (MCA v1.0, API v1.0, Component v1.0.1)
> MCA sds: slurm (MCA v1.0, API v1.0, Component v1.0.1)
> MCA sds: pipe (MCA v1.0, API v1.0, Component v1.0.1)
> uahrcw_at_c275-6:~/mpi-benchmarks>
>
>
>

"We must accept finite disappointment, but we must never lose infinite
hope."
                                   Martin Luther King