The default MPI I/O library has changed in the 2.x release to OMPIO for
most file systems. I can look into that problem, any chance to get
access to the testsuite that you mentioned?
Thanks
Edgar
On 7/8/2016 11:32 AM, Eric Chamberland wrote:
Hi,
I am testing for the first time the 2.X release candidate.
I have a segmentation violation using MPI_File_write_all_end(MPI_File
fh, const void *buf, MPI_Status *status)
The "special" thing, may be that in the faulty test cases, there are
processes that haven't written anything, so they a a zero length buffer,
so the second parameter (buf) passed is a null pointer.
Until now, it was a valid call, has it changed?
Thanks,
Eric
FWIW: We are using our test suite (~2000 nightly tests) successfully
with openmpi-1.{6,8,10}.* and MPICH since many years...
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Edgar Gabriel
Associate Professor
Parallel Software Technologies Lab http://pstl.cs.uh.edu
Department of Computer Science University of Houston
Philip G. Hoffman Hall, Room 524 Houston, TX-77204, USA
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