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

Jed Brown jedbrown at mcs.anl.gov
Tue Jun 5 09:30:06 CDT 2012

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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120605/2813d88a/attachment.html>

More information about the petsc-dev mailing list