Dear all, I have some issue with my code using petsc. The exact same code runs fine on a linux box with ifort. Is that still be a possible memory corruption? I have some issue with getting valgrind working on 10.7. Is there any better way to debug this? Thanks. Here is the error message I got for OSX 10.7 with gcc.
Peter 0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation, probably memory access out of range [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: likely location of problem given in stack below [0]PETSC ERROR: --------------------- Stack Frames ------------------------------------ [0]PETSC ERROR: Note: The EXACT line numbers in the stack are not available, [0]PETSC ERROR: INSTEAD the line number of the start of the function [0]PETSC ERROR: is given. [0]PETSC ERROR: [0] VecCreateMPIWithArray line 312 /Users/lvzhoujie/Work/petsc-3.3-p2/src/vec/vec/impls/mpi/pbvec.c -------------------------------------------------------------------------- MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD with errorcode 59. NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes. You may or may not see output from other processes, depending on exactly when Open MPI kills them. -------------------------------------------------------------------------- p.s. I also found /src/ksp/pc/examples/test/ex7.c not working on my computer. Here is the error message: [0]PETSC ERROR: --------------------- Error Message ------------------------------------ [0]PETSC ERROR: Object is in wrong state! [0]PETSC ERROR: Must call MatXXXSetPreallocation() or MatSetUp() on argument 1 "mat" before MatSetValues()! [0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: Petsc Release Version 3.3.0, Patch 2, Fri Jul 13 15:42:00 CDT 2012 [0]PETSC ERROR: See docs/changes/index.html for recent updates. [0]PETSC ERROR: See docs/faq.html for hints about trouble shooting. [0]PETSC ERROR: See docs/index.html for manual pages. [0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: ./ex7 on a linux-ifo named peter-lu by plu Fri Aug 10 21:06:23 2012 [0]PETSC ERROR: Libraries linked from /Users/lvzhoujie/Work/petsc-3.3-p2/linux-ifort-opt/lib [0]PETSC ERROR: Configure run at Fri Aug 10 10:44:21 2012 [0]PETSC ERROR: Configure options --with-pic --download-openmpi=1 --with-fortran=1 --with-debugging=1 --with-shared-libraries=1 --download-superlu_dist=yes --with-fortran-interfaces=1 --with-scalar-type=real --download-f-blas-lapack --with-cc=gcc --with-fc=gfortran --with-cxx=c++ --with-petsc-arch=linux-ifort-opt --download-parmetis=yes --download-metis [0]PETSC ERROR: ------------------------------------------------------------------------ [0]PETSC ERROR: MatSetValues() line 993 in /Users/lvzhoujie/Work/petsc-3.3-p2/src/mat/interface/matrix.c [0]PETSC ERROR: main() line 25 in src/ksp/pc/examples/tests/ex7.c -------------------------------------------------------------------------- MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD with errorcode 73. NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes. You may or may not see output from other processes, depending on exactly when Open MPI kills them. -------------------------------------------------------------------------- -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120810/7e70cfd1/attachment.html>
