[mpich-discuss] mpich run error

[Junchao Zhang]

As indicated by the message, you passed an invalid communicator to
MPI_Comm_rank()
in your program.

--Junchao Zhang

On Sat, Nov 29, 2014 at 4:32 AM, نازنین <nazanin.mirshokraei at gmail.com>
wrote:

> hi does any one know about this error :
> Fatal error in PMPI_Comm_rank: Invalid communicator, error stack:
> PMPI_Comm_rank(108): MPI_Comm_rank(comm=0x0, rank=0x7fff24a405bc) failed
> PMPI_Comm_rank(66).: Invalid communicator
> Fatal error in PMPI_Comm_rank: Invalid communicator, error stack:
> PMPI_Comm_rank(108): MPI_Comm_rank(comm=0x0, rank=0x7fff63e1598c) failed
> PMPI_Comm_rank(66).: Invalid communicator
>
> it is when i run mpich like :
> mpirun -np 2 ./coawstM   swan_only.in
>
> i don't know if this is a problem in my executable file (coawstM) or this
> is from mpich or any other hardware issues or anything else
> thank you for your help
> nazi
>
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