Hi Jeff, > But > a missing ierr can be a common cause for a segv in Fortran -- we > typically don't assign to ierr until after the MPI_Send completes, so > it *could* explain the behavior you're seeing...?
that was indeed the problem, I'm an idiot (sorry...). I thought there was an explicit interface somewhere in the libraries that would signal a missing argument as a syntax error, so I did not check as carefully as I should have... thanks to everybody for helping, hope the next time I'll have something less stupid to ask... Enrico
