[petsc-users] PETSc problems with MVAPICH2

Barry Smith bsmith at mcs.anl.gov
Wed Jul 31 16:38:33 CDT 2013


On Jul 31, 2013, at 10:56 AM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> Wadud.Miah at awe.co.uk writes:
>> Hello,
>> I have built PETSc 3.4.2 with MVAPICH2 1.9b and my application code
>> crashes when I spawn it with 16 processes; it works with 4 and 8
>> processes. This occurs at the MatAssemblyEnd subroutine when the
>> non-local values are broadcast to other processes. Has anyone else had
>> issues with MVAPICH2?
> Can you get a stack trace?  Does it work correctly with other MPI
> implementations?  Does a basic PETSc example show the same problem?

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