On 16 May 2015, at 12:21, Eike Mueller <E.Mueller@bath.ac.uk> wrote:
ah, if I also call vwr.create() it works and generates a .dat file with the matrix.
Running this file through ex6 works on 1 core but crashes with a PETSc segfault on 24 cores.
Petsc, or inside hypre as before? Can you compile petsc --with-debugging=1, then you'll get much more error checking.
Lawrence
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