[petsc-dev] KSP Viewer problem in petsc3.1

[Hong Zhang]

On Thu, Aug 25, 2011 at 12:45 PM, Gabriele Jost <gjost at tacc.utexas.edu> wrote:
> Thanks Hong. I am not sure I can switch, don't see the module available at my site.
> Can I use the flags you mentioned on the regular petsc 3.1?
Yes.
Hong

> ________________________________________
> From: petsc-dev-bounces at mcs.anl.gov [petsc-dev-bounces at mcs.anl.gov] on behalf of Hong Zhang [hzhang at mcs.anl.gov]
> Sent: Thursday, August 25, 2011 10:33 AM
> To: For users of the development version of PETSc
> Cc: Victor Eijkhout
> Subject: Re: [petsc-dev] KSP Viewer problem in petsc3.1
>
> Can you switch to petsc-dev?
> Quite few bugs have been fixed in petsc-dev and superlu_dist since petsc-3.1.
> You may try '-mat_superlu_dist_equil no -mat_superlu_dist_colperm NATURAL'
> first.
>
> Hong
>
> On Thu, Aug 25, 2011 at 11:19 AM, Satish Balay <balay at mcs.anl.gov> wrote:
>> Its a patch to petsc - its  already be the latest patched tarball - petsc-3.1-p8.tar.gz
>> [attaching it]
>>
>> Satish
>>
>> On Thu, 25 Aug 2011, Gabriele Jost wrote:
>>
>>> Hello!
>>>
>>> I am running into a problem when using  petsc  3.1 and SuperLU.
>>>
>>> KSP Object:
>>>   type: preonly
>>>   maximum iterations=5000, initial guess is zero
>>>   tolerances:  relative=1e-06, absolute=1e-50, divergence=10000
>>>   left preconditioning
>>>   using PRECONDITIONED norm type for convergence test
>>> PC Object:
>>>   type: lu
>>>     LU: out-of-place factorization
>>>     tolerance for zero pivot 1e-12
>>>     matrix ordering: natural
>>>     factor fill ratio given 0, needed 0
>>>       Factored matrix follows:
>>>         Matrix Object:
>>>           type=mpiaij, rows=13608, cols=13608
>>>           package used to perform factorization: superlu_dist
>>>           total: nonzeros=0, allocated nonzeros=27216
>>>             SuperLU_DIST run parameters:
>>>               Process grid nprow 8 x npcol 8
>>>               Equilibrate matrix TRUE
>>>               Matrix input mode 1
>>>               Replace tiny pivots TRUE
>>>               Use iterative refinement FALSE
>>>               Processors in row 8 col partition 8
>>>               Row permutation LargeDiag
>>> [59]PETSC ERROR: --------------------- Error Message ------------------------------------
>>> [60]PETSC ERROR: Petsc Release Version 3.1.0, Patch 5, Mon Sep 27 11:51:54 CDT 2010
>>> [62]PETSC ERROR: [53]PETSC ERROR: Unknown column permutation!
>>> See docs/changes/index.html for recent updates.
>>>
>>>
>>> I googled around and found that a similar problem had been reported to the Petsc folks before. The answer was as follows:
>>>
>>> On Wed, 15 Dec 2010, Satish Balay wrote:
>>>
>>> > Can you try the attached patch - and see if this goes away?
>>> >
>>> > patch -Np1 < superlu_dist.patch
>>> >
>>>
>>>
>>> Is the patch above included in the SLU that is part of the petsc 3.1 distribution? If not, could we get it?
>>>
>>> Thanks so much in advance and best regards,
>>> Gabriele
>>>
>