On Mon, Feb 4, 2013 at 4:43 PM, Derek Gaston <fried...@gmail.com> wrote:
> On Mon, Feb 4, 2013 at 3:23 PM, Jed Brown <jedbr...@mcs.anl.gov> wrote:
>
>> I should add a test in PETSC if it doesn't. Is there a libmesh example I
>> can use to reproduce this?
>>
>
> There isn't... but there is a MOOSE test you can run
> (moose_test/tests/preconditioners/pbp/pbp_adapt_test.i). This is all with
> PETSc 3.3.0-p4 BTW.
>
I'll get a build going so I can test. I don't update MOOSE as often because
of the extra steps with the SecurID. ;-/
> If you really want a raw libMesh example I can probably make one. Let me
> know.
>
> Are you sure the PC was not being destroyed and recreated?
>>
>
> Well... looking back through the log, John did change something in there
> back in December (around when this started failing), but we didn't notice
> the problem until switching to PETSc 3.3. I can only conclude that we were
> somehow "getting away with it" all that time.
>
> The fix with Destroy and Create works fine (even with Hypre).... and I'm
> going to change stuff on my end to make sure it doesn't happen every
> nonlinear iteration (I just looked at the code and we are calling init()
> way too much currently).
>
Okay, I'll check with petsc-3.3 and petsc-dev. The Hypre thing could have
been fixed in dev and not back-ported. I'll let you know.
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