On Jun 5, 2012, at 10:49 AM, Jed Brown wrote:

On Tue, Jun 5, 2012 at 9:47 AM, Mark F. Adams <[email protected]> wrote: printf surrounded by barriers.

There are a lot of system calls in PetscErrorPrintfInitialize. I've added printfs to this and submitted the job so I should have that info tomorrow.

Can you instruct one process (or a few) to dump core?

I suppose so. How does one do that?