+1 on what Mac said.
In addition, the problem is that you're passing an invalid rank into MPI_Isend. Double check all the values that you're passing in.
On Dec 21, 2010, at 6:29 AM, McCalla, Mac wrote:
> Hi Georg,
> You should post to the forum on www.open-mpi.org . LAM/MPI is a precursor project to OpenMPI and is no longer under development.
>
> Cheers,
> Mac
>
>
> ----- Original Message -----
> From: lam-bounces_at_[hidden] <lam-bounces_at_[hidden]>
> To: lam_at_[hidden] <lam_at_[hidden]>
> Sent: Tue Dec 21 03:25:58 2010
> Subject: LAM: OpenMPI MPI_ERR_RANK multi-node problem
>
>
> Hi!
>
> I have installed the Intel Fortran Compiler ifort (now part of the
> latest Intel Fortran Composer XE package). I also installed OpenMPI
> 1.4.3 - my OS is OpenSuse 11.1
>
> Using those two tools I compiled a Fortran-Code to run on a Quad-Core
> Intel machine. The code has worked on other machines before. Yet when I
> try to run it in parallel mode, I get the following error:
>
> [my-machine:23586] *** An error occurred in MPI_Isend
> [my-machine:23586] *** on communicator MPI_COMM_WORLD
> [my-machine:23586] *** MPI_ERR_RANK: invalid rank
> [my-machine:23586] *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort)
> [my-machine:23588] *** An error occurred in MPI_Isend
> [my-machine:23588] *** on communicator MPI_COMM_WORLD
> [my-machine:23588] *** MPI_ERR_RANK: invalid rank
> [my-machine:23588] *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort)
> [my-machine:23587] *** An error occurred in MPI_Isend
> [my-machine:23587] *** on communicator MPI_COMM_WORLD
> [my-machine:23587] *** MPI_ERR_RANK: invalid rank
> [my-machine:23587] *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort)
> [my-machine:23589] *** An error occurred in MPI_Isend
> [my-machine:23589] *** on communicator MPI_COMM_WORLD
> [my-machine:23589] *** MPI_ERR_RANK: invalid rank
> [my-machine:23589] *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort)
>
> When I just utilize one node, everything works fine.
>
> The commands used to compile the code are:
>
> mpif77 -w -O2 -o my-code.x my-code.f
>
> or
>
> mpif77 -w -O2 -i-dynamic -o my-code.x my-code.f
>
> (I included the i-dynamic option, because I read that I might have a
> problem with static libraries, but that does not seem to be the case)
>
> To run the code I use
>
> mpirun -np 4 my-code.x
>
> This works on other machines (with ifort and OpenMPI) but not here. If I
> execute
>
> mpirun -np 1 my-code.x
>
> everything works fine.
>
> Any feedback is appreciated.
> Thanks a lot!
> Georg
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