[petsc-users] fieldsplit: Unhandled case, must have at least two fields, not 1!

[Jed Brown]

Mark Adams <mfadams at lbl.gov> writes:

> I tried putting what I thought was the problem in ex54 and you are correct
> it did not cause a problem.

Okay.

> I've attached a good and bad "petsc.rc" file from my app and an output file
> with this error.  Perhaps you can see how this broke.

I don't have your app so I don't know what that code looks like.  The
two options files are very different.  Presumably you can run on one
process and use a debugger to see what happens in
PCFieldSplitSetDefaults.  If you think PETSc is mishandling this, please
add a test to PETSc (perhaps a small addition to an existing test) to
demonstrate the issue.
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