> Who is supposed to be this someone?
Who indeed 🧐. If you can run the code in gdb you can pinpoint where the problem
occurs with the following breakpoint (note untested):
br PetscTraceBackErrorHandler if n == 1
Or lldb:
br s -n PetscTraceBackErrorHandler -c '(int)n == 1’
Best regards,
Jacob Faibussowitsch
(Jacob Fai - booss - oh - vitch)
> On Nov 4, 2022, at 09:02, Stefano Zampini <stefano.zamp...@gmail.com> wrote:
>
> Look at the stacktrace. It is all petsc. Who is supposed to be this someone?
>
> On Fri, Nov 4, 2022, 15:07 Jacob Faibussowitsch <jacob....@gmail.com> wrote:
> I’ve seen these too. It’s from here, right at the end of the error handler.
> `n` is the error code so someone is returning an unknown error code somewhere.
>
> PetscStrncmp(fun, "main", 4, &ismain);
> if (ismain) {
> if ((n <= PETSC_ERR_MIN_VALUE) || (n >= PETSC_ERR_MAX_VALUE))
> (*PetscErrorPrintf)("Reached the main program with an out-of-range error code
> %d. This should never happen\n", n);
> PetscOptionsViewError();
> PetscErrorPrintfHilight();
> (*PetscErrorPrintf)("----------------End of Error Message -------send
> entire error message to petsc-ma...@mcs.anl.gov----------\n");
> PetscErrorPrintfNormal();
> }
> }
>
> Best regards,
>
> Jacob Faibussowitsch
> (Jacob Fai - booss - oh - vitch)
>
> > On Nov 4, 2022, at 05:06, Stefano Zampini <stefano.zamp...@gmail.com> wrote:
> >
> > What does the message imply? That PETSc error handler is misbehaving? or
> > that the user code is wrong? I don't understand. This is the latest release
> > with a faulty code that I use as an example for using valgrind and gdb.
> >
> > [0]PETSC ERROR: Memory corruption: https://petsc.org/release/faq/#valgrind
> > [0]PETSC ERROR: Corrupted memory
> > [0]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
> > [0]PETSC ERROR: Petsc Release Version 3.18.1, unknown
> > [0]PETSC ERROR: ./vecerror on a arch-ecrcml-double-debug named
> > localhost.localdomain by szampini Fri Nov 4 12:01:33 2022
> > [0]PETSC ERROR: Configure options ...
> > [0]PETSC ERROR: #1 PetscTrFreeDefault() at
> > /home/szampini/Devel/miniforge/Devel/petsc/src/sys/memory/mtr.c:305
> > [0]PETSC ERROR: #2 VecDestroy_Seq() at
> > /home/szampini/Devel/miniforge/Devel/petsc/src/vec/vec/impls/seq/bvec2.c:753
> > [0]PETSC ERROR: #3 VecDestroy() at
> > /home/szampini/Devel/miniforge/Devel/petsc/src/vec/vec/interface/vector.c:521
> > [0]PETSC ERROR: #4 main() at
> > /home/szampini/Devel/petscexamples/debugging/vecerror.c:22
> > [0]PETSC ERROR: Reached the main program with an out-of-range error code 1.
> > This should never happen
> >
> > --
> > Stefano
>
