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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