[petsc-users] ***ASSERTION failed on line 65 of file fm.c: ComputeCut(graph, where) == graph->mincut

[Jed Brown]

At least send the PETSc stack trace.

PETSc always uses MatPartitioning, so you can use any partitioner.
On Jan 24, 2012 8:51 AM, "Dominik Szczerba" <dominik at itis.ethz.ch> wrote:

> On Tue, Jan 24, 2012 at 1:37 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:
> > The error is inside of METIS and this is just a bare assert, so there
> isn't
> > information regarding whether they think this is the result of invalid
> input
> > or a METIS bug. Get the full stack trace so we can determine where this
> is
> > happening, METIS is a partitioner, so it's not normally called as part of
> > assembling a matrix.
>
> This will be difficult because it happens only with 64 processes and I
> am on a cray where I can not run gdb.
> I will try to run the same on my quadcore, but am not sure what I get.
>
> Is it possible to replace calls to parmetis with chaco or party for
> "internal" usage (and NOT explicit partitioning that I do myself)? Is
> it supported/good idea?
>
> Many thanks
> Dominik
>
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