[petsc-users] How to understand these error messages

[Fande Kong]

The code works well with less cores. And It also works well with
petsc-3.3-p7. But it does not work with petsc-3.4.1. Thus, If you can check
the differences between petsc-3.3-p7 and petsc-3.4.1, you can figure out
the reason.


On Fri, Jun 21, 2013 at 2:39 PM, Jed Brown <jedbrown at mcs.anl.gov> wrote:

> Fande Kong <fd.kong at siat.ac.cn> writes:
>
> > These messages come from MatStashScatterGetMesg_Private() line 632 in
> > /src/mat/utilsmatstash.c. I do not send values. I just try to
> > use MatAssemblyEnd/begin() to assembly stiffness matrix.
>
> It is most likely memory corruption caused by something earlier.  Is it
> reproducible?  (It looks like you're running at fairly large scale.)  I
> wonder if something earlier misuses 32- versus 64-bit ints.
>



-- 
Fande Kong
ShenZhen Institutes of Advanced Technology
Chinese Academy of Sciences
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