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Subject: Re: [OMPI devel] Question on MPI_Info
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2009-07-22 09:22:04


You need to either initialize the info object that you are passing
down (with MPI_Info_create, and later free it with MPI_Info_free) to
MPI_File_open or pass in MPI_INFO_NULL.

On Jul 16, 2009, at 6:25 AM, Prasadcse Perera wrote:

> Hi all,
> I have been trying some simple code to write a file using Parallel I/
> O on Open MPI. Here I specify the MPI_Info value as 0 and the
> execution terminates with this messge for any number of processes:
>
> *** An error occurred in MPI_File_open
> *** on communicator MPI_COMM_WORLD
> *** MPI_ERR_INFO: invalid info object
> *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort)
>
> The src file is attached here .And im using openmpi-1.3.3a1r21566
> build.
> --
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-- 
Jeff Squyres
jsquyres_at_[hidden]