Error in MPI_File_open

[Jim Edwards]

Yes, the version on the cluster is old.  It has a bug that has been fixed
in newer versions of openmpi.   Try 1.7.1 or 1.6.5

On Wed, Jun 26, 2013 at 2:40 PM, Aroma Mahendru <
aroma.mahendru.ece10 at iitbhu.ac.in> wrote:

> Okay I get this error :
>
>
> MPI_File_open: MPI_ERR_OTHER: known error not in list
> --------------------------------------------------------------------------
> MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD
> with errorcode 1.
>
> NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
> You may or may not see output from other processes, depending on
> exactly when Open MPI kills them.
> --------------------------------------------------------------------------
>
> So, does this mean there is an older version of openmpi ?The version on
> the cluster is Open MPI 1.5.4.
>
>
> On Wed, Jun 26, 2013 at 4:17 PM, Rob Latham <robl at mcs.anl.gov> wrote:
>
>> On Wed, Jun 26, 2013 at 03:53:57PM -0400, Aroma Mahendru wrote:
>> > Actually I did compile and execute the basic mpi program given there. It
>> > executed without any errors.  But am I supposed to see any file created
>> as
>> > well ?
>>
>> That simple test program doesn't check for errors.  It ensures your
>> MPI library knows about MPI-IO routines.  In 2013 it would be shocking
>> if it did not.
>>
>> It *should* create a zero-length file called "testfile" in the current
>> directory.  If it did not, try again with this version with a bit more
>> error checking/reporting:
>>
>> static void handle_error(int errcode, const char *str)
>> {
>>         char msg[MPI_MAX_ERROR_STRING];
>>         int resultlen;
>>         MPI_Error_string(errcode, msg, &resultlen);
>>         fprintf(stderr, "%s: %s\n", str, msg);
>>         MPI_Abort(MPI_COMM_WORLD, 1);
>> }
>>
>> #include <stdio.h>
>> #include <mpi.h>
>> int main(int argc, char **argv) {
>>     MPI_File fh;
>>     int ret;
>>     MPI_Init(&argc, &argv);
>>     ret = MPI_File_open(MPI_COMM_WORLD, "testfile", MPI_MODE_CREATE |
>> MPI_MODE_RDWR,
>>                   MPI_INFO_NULL, &fh);
>>     if (ret != MPI_SUCCESS) handle_error(ret, "MPI_File_open");
>>     MPI_File_close(&fh);
>>     MPI_Finalize();
>>     return 0;
>> }
>>
>> --
>> Rob Latham
>> Mathematics and Computer Science Division
>> Argonne National Lab, IL USA
>>
>
>
>
> --
> Aroma Mahendru
> Electronics Engineering
> Indian Institute of Technology (BHU)
> Varanasi
>



-- 

Jim Edwards
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