[petsc-users] SNES convergence issue

[Jed Brown]

On Tue, May 17, 2011 at 01:08, Tian(ICT) <rongtian at ncic.ac.cn> wrote:

> Please rerun this with -pc_type none
>>
>
> =====here is the output ==
>
> ./pgfem -snes_monitor -snes_mf_operator -mat_mffd_type ds -ksp_type fgmres
> -ksp_monitor_true_residual -ksp_gmres_modifiedgramschmidt -ksp_rtol 1e-10
>

I don't see -pc_type none in this command line. Please run:

./pgfem -snes_monitor -snes_mf_operator -mat_mffd_type ds -ksp_type fgmres
-ksp_monitor_true_residual -ksp_gmres_modifiedgramschmidt -ksp_rtol 1e-10
-pc_type none
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110517/57b10b06/attachment.htm>