[petsc-users] mumps get stuck with parmetis

[Aron Ahmadia]

I'm not sure if this is related, but Parmetis+Mumps+PETSc 3.2 on BlueGene/P
was causing similar behavior without even setting any options.  The only
way I was able to get a direct solver going was by switching over to
SuperLU.

A

On Tue, Apr 24, 2012 at 10:01 PM, Alexander Grayver <agrayver at gfz-potsdam.de
> wrote:

> Can you set:
>
> -mat_mumps_icntl_4 1
>
> And send mumps output?
> Also do you use lu or ilu? How large is your matrix?
>
> Regards,
> Alexander
>
>
> ----- Reply message -----
> From: "Wen Jiang" <jiangwen84 at gmail.com>
> To: <petsc-users at mcs.anl.gov>
> Subject: [petsc-users] mumps get stuck with parmetis
> Date: Tue, Apr 24, 2012 19:43
>
>
> Hi,
>
> My code will hang at the solving stage when I use mumps with the runtime
> option -mat_mumps_icntl_28 2 -mat_mumps_icntl_29 2. If I remove these two
> options, my code works fine. I am using PETSc 3.2 and configure it with --download-mumps=1
> and --download-parmetis=1. Could anyone give me any hints? Thanks.
>
> Regards,
> Wen
>
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