[petsc-users] Strongly nonlinear equation solved within the framework of PETSc

Jed Brown jedbrown at mcs.anl.gov
Tue Jan 10 22:23:06 CST 2012


On Tue, Jan 10, 2012 at 03:27, Fatcharm <wolfshow at gmail.com> wrote:

> It is weird that if I run with -snes_converged_reason, I got
>
> Nonlinear solve did not converge due to DIVERGED_LINE_SEARCH
>
> If I run with  -snes_converged_reason and -info I found that
>
> Nonlinear solve converged due to CONVERGED_FNORM_RELATIVE
>

Wait, identical options except for -info are giving different results?

This sounds like a memory error, could you try Valgrind?
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