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

[Jed Brown]

On Tue, Jun 5, 2012 at 8:59 AM, Mark F. Adams <mark.adams at columbia.edu>wrote:

> I've got a consistent segv on the Cray at NERSC with 64K cores.  No
> problems with smaller jobs.
>
> It seems to happen in here:
>
>  /* Done after init due to a bug in MPICH-GM? */
>  ierr = PetscErrorPrintfInitialize();CHKERRQ(ierr);
>

Do you have any more information? How did you identify that this was the
point of error?


>
> I can keep diving in, but anyone have any ideas on this?
>
> Mark
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