whoops ... This code is here. if (filename .ne. PETSC_NULL_CHARACTER) then filename = trim(filename) endif Maybe filename should not be used as the destination? On Fri, Dec 10, 2021 at 2:56 PM Mark Adams <[email protected]> wrote:

I am getting a segv when calling a Fortran subrouting from C, where PetscInit is called in the Fortran code only with a string for the rc file.

We have seen this on multiple platforms.

I got it in totalview and the segv was on the trim(filename) method