[petsc-dev] segv on Cray with 64K processes

Jed Brown jedbrown at mcs.anl.gov
Tue Jun 5 09:49:13 CDT 2012

On Tue, Jun 5, 2012 at 9:47 AM, Mark F. Adams <mark.adams at columbia.edu>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?
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