A brief status update on this: the real-function-spaces branch of Firedrake taken together with the globals_petsc_changes branch of PyOP2 no longer exhibits the direct crash observed. However I am also yet to actually successfully solve using a block preconditioner. I need to consult with Lawrence to establish whether the problem is another bug or pilot error.

Regards,

David

On Mon, 24 Oct 2016 at 11:37 Mitchell, Lawrence <lawrence.mitchell@imperial.ac.uk> wrote:

> On 24 Oct 2016, at 11:13, Anna Kalogirou <A.Kalogirou@leeds.ac.uk> wrote:
>
> Hi Lawrence,
>
> Any update regarding the bug reported below?

This appears to be more involved than I had first thought. So no luck yet, sorry! David and I need to find some time together to work out the differences/corner cases.

Cheers,

Lawrence
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