Hi Matt, No, we are running it without debugging in prod and then running debug I can't reproduce the error, from stderr we get:
[1]PETSC ERROR: ------------------------------------------------------------------------ [1]PETSC ERROR: Caught signal number 11 SEGV: Segmentation Violation, probably memory access out of range [1]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger [1]PETSC ERROR: or see https://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind [1]PETSC ERROR: or try http://valgrind.org on GNU/linux and Apple Mac OS X to find memory corruption errors [1]PETSC ERROR: configure using --with-debugging=yes, recompile, link, and run [1]PETSC ERROR: to get more information on the crash. [1]PETSC ERROR: Run with -malloc_debug to check if memory corruption is causing the crash. application called MPI_Abort(MPI_COMM_WORLD, 50176059) - process 1 *Chris Hewson* Senior Reservoir Simulation Engineer ResFrac +1.587.575.9792 On Mon, Mar 22, 2021 at 12:04 PM Matthew Knepley <[email protected]> wrote: > On Mon, Mar 22, 2021 at 1:56 PM Chris Hewson <[email protected]> wrote: > >> Hi All, >> >> I have been having a problem with MUMPS randomly crashing in our program >> and causing the entire program to crash. I am compiling in -O2 optimization >> mode and using --download-mumps etc. to compile PETSc. If I rerun the >> program, 95%+ of the time I can't reproduce the error. It seems to be a >> similar issue to this thread: >> >> https://lists.mcs.anl.gov/pipermail/petsc-users/2018-October/036372.html >> >> Similar to the resolution there I am going to try and increase icntl_14 >> and see if that resolves the issue. Any other thoughts on this? >> > > When it fails, do you get a stack trace? > > Thanks, > > Matt > > >> Thanks, >> >> *Chris Hewson* >> Senior Reservoir Simulation Engineer >> ResFrac >> +1.587.575.9792 >> > > > -- > 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 > > https://www.cse.buffalo.edu/~knepley/ > <http://www.cse.buffalo.edu/~knepley/> >
