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Subject: Re: [OMPI users] MPI_ERR_COMM: invalid communicator
From: Jeff Squyres (jsquyres) (jsquyres_at_[hidden])
Date: 2013-03-05 13:00:47


It looks like you are calling MPI_Comm_rank on a bad communicator.

Check all your calls to MPI_Comm_rank.

On Mar 5, 2013, at 12:07 PM, Chintu <chintudcy_at_[hidden]> wrote:

> Hi,
>
> I am running my jobs on openmpi linux platform. I am getting the following errors:
>
> [compute-12-23.local:10203] *** An error occurred in MPI_Comm_rank
> [compute-12-23.local:10203] *** on communicator MPI_COMM_WORLD
> [compute-12-23.local:10203] *** MPI_ERR_COMM: invalid communicator
> [compute-12-23.local:10203] *** MPI_ERRORS_ARE_FATAL: your MPI job will now abort
> --------------------------------------------------------------------------
> mpirun has exited due to process rank 11 with PID 10211 on
> node compute-12-23.local exiting improperly. There are two reasons this could occur:
>
> 1. this process did not call "init" before exiting, but others in
> the job did. This can cause a job to hang indefinitely while it waits
> for all processes to call "init". By rule, if one process calls "init",
> then ALL processes must call "init" prior to termination.
>
> 2. this process called "init", but exited without calling "finalize".
> By rule, all processes that call "init" MUST call "finalize" prior to
> exiting or it will be considered an "abnormal termination"
>
> This may have caused other processes in the application to be
> terminated by signals sent by mpirun (as reported here).
> --------------------------------------------------------------------------
> [compute-12-23.local:10199] 11 more processes have sent help message help-mpi-errors.txt / mpi_errors_are_fatal
> [compute-12-23.local:10199] Set MCA parameter "orte_base_help_aggregate" to 0 to see all help / error messages
> rm: cannot remove `/tmp/145890.1.normal/rsh': No such file or directory
>
>
> Any help or suggestion will be appreciated.
>
> Thanks,
> Praveen
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-- 
Jeff Squyres
jsquyres_at_[hidden]
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