I would start with valgrind see if it finds anything. If not and if you can
provide the code that reproduces the problem we can take a look at it.
Barry
https://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind
> On Dec 5, 2018, at 7:16 PM, Marius Buerkle via petsc-users
> <[email protected]> wrote:
>
> Hi,
>
> I get the following error duing MatMatSolve. It works for smaller number of
> processes but if I increade the number pf processes used it crashes.
>
> [25]PETSC ERROR:
> ------------------------------------------------------------------------
> [25]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation,
> probably memory access out of range
> [25]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger
> [25]PETSC ERROR: or see
> http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind
> [25]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS X
> to find memory corruption errors
> [25]PETSC ERROR: likely location of problem given in stack below
> [25]PETSC ERROR: --------------------- Stack Frames
> ------------------------------------
> [25]PETSC ERROR: Note: The EXACT line numbers in the stack are not available,
> [25]PETSC ERROR: INSTEAD the line number of the start of the function
> [25]PETSC ERROR: is given.
> [25]PETSC ERROR: [25] SuperLU_DIST:pzgssvx line 236
> /home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/src/mat/impls/aij/mpi/superlu_dist/superlu_dist.c
> [25]PETSC ERROR: [25] MatMatSolve_SuperLU_DIST line 200
> /home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/src/mat/impls/aij/mpi/superlu_dist/superlu_dist.c
> [25]PETSC ERROR: [25] MatMatSolve line 3396
> /home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/src/mat/interface/matrix.c
> [25]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------
> [25]PETSC ERROR: Signal received
> [25]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for
> trouble shooting.
> [25]PETSC ERROR: Petsc Development GIT revision: v3.10.2-723-g2a65a22 GIT
> Date: 2018-11-25 07:45:29 +0100
> [25]PETSC ERROR: /home/cdfmat_marius/prog/transomat_latest_test4/transomat on
> a named a003 by cdfmat_marius Thu Dec 6 10:12:23 2018
> [25]PETSC ERROR: Configure options
> --prefix=/home/cdfmat_marius/prog/petsc/master_gcc_local_debug
> --with-64-bit-indices=0 --CC=mpicc --COPTFLAGS="-O0 -mtune=generic -g
> -std=c11 " --CXX=mpicxx --CXXOPTFLAGS="-O0 -mtune=generic -g -std=c++11 "
> --FC=mpif90 --FOPTFLAGS="-O0 -mtune=generic -g -fbacktrace -g " --with-mpi=1
> --with-x=0
> --download-parmetis=/home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/externalpackages/git.parmetis.tar.gz
>
> --download-metis=/home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/externalpackages/git.metis.tar.gz
> --with-blaslapack-lib="
> -L/home/cdfmat_marius/intel/compilers_and_libraries_2019.1.144/linux/mkl/lib/intel64
> -Wl,--no-as-needed -lmkl_scalapack_lp64 -lmkl_intel_lp64 -lmkl_sequential
> -lmkl_core -lmkl_blacs_openmpi_lp64 -lpthread -lm -ldl "
> --with-scalapack-lib="
> -L/home/cdfmat_marius/intel/compilers_and_libraries_2019.1.144/linux/mkl/lib/intel64
> -Wl,--no-as-needed -lmkl_scalapack_lp64 -lmkl_intel_lp64 -lmkl_sequential
> -lmkl_core -lmkl_blacs_openmpi_lp64 -lpthread -lm -ldl " --download-pastix=no
> --download-superlu_dist=/home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/externalpackages/git.superlu_dist.tar.gz
> --download-superlu_dist-commit=HEAD
> --download-hwloc=/home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/externalpackages/hwloc-1.11.1.tar.gz
>
> --download-sowing=/home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/externalpackages/git.sowing.tar.gz
>
> --with-mkl_pardiso-dir=/home/cdfmat_marius/intel/compilers_and_libraries_2019.1.144/linux/mkl
> --with-openmp=0 --with-pthread=0
> --download-elemental=/home/cdfmat_marius/prog/petsc/master_build_gcc_local/petsc/externalpackages/git.elemental.tar.gz
> --download-elemental-commit=HEAD
> --with-mkl_cpardiso-dir=/home/cdfmat_marius/intel/compilers_and_libraries_2019.1.144/linux/mkl
>
> --with-mkl_sparse_optimize-dir=/home/cdfmat_marius/intel/compilers_and_libraries_2019.1.144/linux/mkl
>
> --with-mkl_sparse_sp2m-dir=/home/cdfmat_marius/intel/compilers_and_libraries_2019.1.144/linux/mkl
> --with-cxx-dialect=c++11 --with-scalar-type=complex --with-debugging=1
>
> bestm
> marius
