Unique IDs were my suspicion as well... but disabling them didn't fix it so
I didn't pursue it further. It sounds like you may be on the trail
though... let me know if you have something you want me to try!
Thank you for your help!
Derek
On Thu, Mar 17, 2016 at 10:58 PM Roy Stogner <royst...@ices.utexas.edu>
wrote:
>
>
> On Thu, 17 Mar 2016, Derek Gaston wrote:
>
> > Everyone: I could really use some help on this one.
> > I have created a repository with the simplest code I can that shows the
> issue: https://github.com/friedmud/dinas_problem
> >
> > (it should compile easily as long as you have LIBMESH_DIR set to point
> to your libMesh)
> >
> > It is definitely an off-by-one error that happens (in this particular
> case) after 2 uniform refinements... then writing out to XDA and reading
> > back in. The code will print this:
>
> In devel mode I get an in->good() assertion failure.
>
> This looks a lot easier to replicate than the previous triggering case
> I was trying to hunt down; thanks. I don't suppose you can get it to
> failure on a smaller mesh?
>
> My suspicion was that something was going wrong with the new flag
> indicating presence or absence of unique ids in the file, but that
> flag gets read and written *after* nodal coordinates, so I don't see
> how it...
>
> Damn it!
>
> I've got unique id data being written at the end of *each* chunk of
> nodes. Of course this is passing all our tests on small meshes and
> breaking horribly on large ones. Let me see if I can fix it quickly.
>
> Sorry,
> ---
> Roy
>
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