After a bunch of e-mails back and forth, it turned out to be an errant
fprintf in OMPI's integration of ROMIO. I've fixed it for the
upcoming v1.3 series.
Thanks for your patience, ROMIO guys!
On Jul 23, 2008, at 5:27 PM, Jeff Squyres wrote:
I forwarded this on to the ROMIO maintainers; let's see what they
say...
On Jul 18, 2008, at 11:38 AM, Edgar Gabriel wrote:
here is a patch that we use on our development version to silence
that warning, you have to apply it to.
ompi/ompi/mca/io/romio/romio/mpi-io/io_romio_close.c
I would not like to commit that to the repository since I can not
oversee whether it causes problems in some other settings/scenario/
file systems. However, it fixed for us the problems when
experimenting with shared file pointers (e.g.
MPI_File_write_ordered) and did not create any issues so far.
Application of that patch at your own risk:-)
Thanks
Edgar
Brian Austin wrote:
Hi,
Sorry about my previous message, it was sent before I'd finished
composing it.
Whenever I use MPI_File_write_ordered(), all but one process send
the following message to stderr.
ADIOI_GEN_DELETE (line 22): **io No such file or directory
I have read
http://www.open-mpi.org/community/lists/users/2008/01/4936.php
which suggests that this message appears because my program is
trying to delete a file that does not exist, but my program does
not explicitly delete any files. I've included a test program to
demonstrate the message.
Is there anything I can do to avoid or suppress this message?
The message I referred to before says that I could "ignore errors
from MPI_File_delete". How do I do that?
Thanks,
Brian
int
main( int argc, char *argv[]){
char buff[2] = "a";
MPI_File fh;
MPI_Status status;
MPI_Init( &argc, &argv );
MPI_File_open( MPI_COMM_WORLD, "foo.txt",
MPI_MODE_CREATE | MPI_MODE_WRONLY,
MPI_INFO_NULL, &fh );
MPI_File_write_ordered( fh, buff, 1, MPI_BYTE, &status );
MPI_File_close( &fh );
MPI_Finalize();
return 0;
}//main
------------------------------------------------------------------------
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42d41
<
66,73c65
< int rank;
< MPI_Comm_rank ( (fh)->comm, &rank );
< if ( rank == 0 ) {
< ADIO_Close((fh)->shared_fp_fd, &error_code);
< }
< else {
< error_code = MPI_SUCCESS;
< }
---
ADIO_Close((fh)->shared_fp_fd, &error_code);
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--
Jeff Squyres
Cisco Systems
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--
Jeff Squyres
Cisco Systems
