[petsc-users] PETSc problems with MVAPICH2

[Barry Smith]

  http://www.mcs.anl.gov/petsc/documentation/faq.html#valgrind


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?