On Wed, Feb 24, 2016 at 3:16 AM, Hoang Giang Bui <[email protected]> wrote:
> Hello > > Is it possible to reread the options file since I like to experiment > different solver configuration during time stepping? > http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Sys/PetscOptionsInsertFile.html#PetscOptionsInsertFile > In addition, I got an error with FIELDSPLIT when a split has zero size > (That happens in the first step when one field is disabled). Below is the > error message on the proc 0: > > [0]PETSC ERROR: > ------------------------------------------------------------------------ > [0]PETSC ERROR: Caught signal number 8 FPE: Floating Point > Exception,probably divide by zero > [0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger > [0]PETSC ERROR: or see > http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind > [0]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS > X to find memory corruption errors > [0]PETSC ERROR: configure using --with-debugging=yes, recompile, link, and > run > [0]PETSC ERROR: to get more information on the crash. > [0]PETSC ERROR: --------------------- Error Message > -------------------------------------------------------------- > [0]PETSC ERROR: Signal received > [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html > for trouble shooting. > [0]PETSC ERROR: Petsc Release Version 3.6.3, Dec, 03, 2015 > [0]PETSC ERROR: python on a arch-linux2-cxx-opt named bermuda by hbui Wed > Feb 24 10:00:34 2016 > [0]PETSC ERROR: Configure options --with-shared-libraries > --with-debugging=0 --with-pic --with-clanguage=cxx > --download-fblas-lapack=yes --download-ptscotch=yes --download-metis=yes > --download-parmetis=yes --download-scalapack=yes --download-mumps=yes > --download-hypre=yes --download-ml=yes --download-klu=yes > --download-pastix=yes --with-mpi-dir=/opt/openmpi-1.10.1 > --prefix=/home/hbui/opt/petsc-3.6.3 > [0]PETSC ERROR: #1 User provided function() line 0 in unknown file > The SEGV does not occur in PETSc code, but rather your code, as this stack trace shows. Thanks, Matt > > Do you have any comments? > > Giang > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
