A deprecated option won't cause segfault. From https://www.mcs.anl.gov/petsc/petsc-current/src/dm/label/examples/tutorials/ex1f90.F90.html, it seems you missed the first PETSC_NULL_OPTIONS.
--Junchao Zhang On Wed, Jan 8, 2020 at 4:02 PM Anthony Paul Haas <[email protected]<mailto:[email protected]>> wrote: Hello, I am using Petsc 3.7.6.0. with Fortran code and I am getting a segmentation violation for the following line: call PetscOptionsGetBool(PETSC_NULL_CHARACTER,"-use_mumps_lu",flg_mumps_lu,flg,self%ierr_ps) in which: flg_mumps_lu and flg are defined as PetscBool and flg_mumps_lu = PETSC_TRUE Is the option -use_mumps_lu deprecated? Thanks, Anthony
