Should be ok. Do you have implicit none and the correct include files so AOMEMORYSCALABLE is defined?
I think you need to run in the debugger next to track why this happens. Barry > On Feb 17, 2016, at 11:33 AM, Randall Mackie <rlmackie...@gmail.com> wrote: > > What is the correct way to set the AO for a DMDA to be the memory scalable > version? > > I have tried this: > > call DMDASetAOType(da,AOMEMORYSCALABLE,ierr) > call DMDAGetAO(da,ao,ierr) > > The code compiles fine, but I simply get a Segmentation Violation when I run > it: > > [3]PETSC ERROR: > ------------------------------------------------------------------------ > [3]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation, > probably memory access out of range > [3]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger > [3]PETSC ERROR: or see > http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind > [3]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS X to > find memory corruption errors > [3]PETSC ERROR: configure using --with-debugging=yes, recompile, link, and > run > [3]PETSC ERROR: to get more information on the crash. > [3]PETSC ERROR: --------------------- Error Message > -------------------------------------------------------------- > [3]PETSC ERROR: Signal received > [3]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html for > trouble shooting. > [3]PETSC ERROR: Petsc Release Version 3.6.3, Dec, 03, 2015 > [3]PETSC ERROR: Configure options PETSC_ARCH=linux-gfortran-opt > --with-clean=1 --with-scalar-type=complex --with-debugging=0 --with-fortran=1 > --download-mpich=./mpich-3.1.3.tar.gz --FOPTFLAGS=-O3 --COPTFLAGS=-O3 > [3]PETSC ERROR: #1 User provided function() line 0 in unknown file > application called MPI_Abort(MPI_COMM_WORLD, 59) - process 3 > [cli_3]: aborting job: > > > In fact, I get the same thing even if I set the AOType to AOBASIC, in other > words > > call DMDASetAOTYPE(da,AOBASIC,ierr) > > > Previously, I did not set an AOType, and only called DMDAGetAO, which works > fine, and from what I can tell sets the type to basic. > > > Thanks, Randy M.
