[petsc-users] MUMPS causing segmentation fault

[Jed Brown]

Manav Bhatia <bhatiamanav at gmail.com> writes:

> Hi, 
>
>    I am trying to run MUMPS with the following command line options: 
>  -ksp_type preonly -pc_type lu -pc_factor_mat_solver_package mumps -mat_mumps_icntl_4 4 -info
>
>   This works fine with ex2.c.
>
>    My code, which runs fine with -ksp_type preonly -pc_type lu throws
>    a segmentation fault error with the command line options listed
>    above. The output of the code is attached.

You should run a small problem size in valgrind and/or a debugger.  SEGV
is usually caused by memory corruption and you have to track that down.
It could be a bug in your code or a bug in MUMPS.
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