dolfin team mailing list archive

["Garth N. Wells" <gnw20@xxxxxxxxx>]

Johannes Ring wrote:
> On Sun, Sep 20, 2009 at 9:37 PM, Anders Logg <logg@xxxxxxxxx> wrote:
> > On Thu, Sep 17, 2009 at 05:49:37PM +0200, Johannes Ring wrote:
> > > On Thu, Sep 17, 2009 at 4:42 PM, Anders Logg <logg@xxxxxxxxx> wrote:
> > > > On Thu, Sep 17, 2009 at 12:49:04PM +0200, Johannes Ring wrote:
> > > >
> > > > > [1]PETSC ERROR: --------------------- Error Message
> > > > > ------------------------------------
> > > > > [1]PETSC ERROR: Nonconforming object sizes!
> > > > > [1]PETSC ERROR: Sum of local lengths 565 does not equal global length
> > > > > 564, my local length 282
> > > > >   likely a call to VecSetSizes() or MatSetSizes() is wrong.
> > > > Do you get the same results if you run it again? There's a random
> > > > element involved in the computation of the global parallel dofmap
> > > > which might give you different results.
> > > Yes, same error each time.
> > >
> > > > > On hardy-i386 demo/pde/poisson/cpp also hangs. Unfortunately, I can't
> > > > > check the output at the moment.
> > > > >
> > > > > We should really do something about that the demos hangs when running
> > > > > in parallel. Any ideas?
> > > > Very strange.
> > > >
> > > > Does it hang when you run in manually or just when the buildbot runs it?
> > > Both. The virtual machine the buildbot runs on might be the problem.
> > Strange. I don't know how to debug this. Is anyone else experiencing
> > this?
>
> I also get the same behavior on my laptop so it is not just the buildbot:
>
> [1]PETSC ERROR: --------------------- Error Message
> ------------------------------------
> [1]PETSC ERROR: Nonconforming object sizes!
> [1]PETSC ERROR: Sum of local lengths 565 does not equal global length
> 564, my local length 282
>   likely a call to VecSetSizes() or MatSetSizes() is wrong.
> See http://www.mcs.anl.gov/petsc/petsc-as/documentation/troubleshooting.html#PetscSplitOwnership!
>
> (This time PETSc was configured with SPOOLES instead of MUMPS.)
>
> What is also strange is that the corresponding Python demo
> (demo/pde/poisson/python) is working very nicely.

I also have this problem.

Garth

> Johannes
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