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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