[petsc-users] SNES failed with reason -3

[Que Cat]

Hi Peter and Jed,

Thank you very much for your comments. The error associated with the
problem state equation. Now, it works fine.

Que


On Wed, Apr 16, 2014 at 11:49 AM, Jed Brown <jed at jedbrown.org> wrote:

> Que Cat <quecat001 at gmail.com> writes:
>
> > Hi Jed and Peter,
> >
> > Please see the attached file for the output. Thank you for your help.
>
> The linear solve has stagnated.  This is usually due to an ineffective
> preconditioner.  Tips here:
>
>
> http://scicomp.stackexchange.com/questions/513/why-is-my-iterative-linear-solver-not-converging
>
> What sort of problem are you solving?
>
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