[petsc-dev] petsc-dev: ASM with sbaij matrix and block size=1 broken?

Satish Balay balay at mcs.anl.gov
Fri Nov 4 20:34:13 CDT 2011


On Sat, 5 Nov 2011, Matthew Knepley wrote:

> On Sat, Nov 5, 2011 at 12:10 AM, Brad Aagaard <baagaard at usgs.gov> wrote:
> 
> > Jed,
> >
> > It looks like your changeset 20985 may have introduced a bug. I just
> > pulled and rebuilt petsc-dev. I am trying to run a PyLith simulation that
> > worked in parallel with ASM, sbaij matrix, and bs=1 a week ago but now
> > fails. I get a memory allocation error (huge allocation) or a memory
> > corruption error. Using an aij matrix or running in serial works fine. My
> > simulation runs fine with 2 processes but not 3 or 4. The stack traces are
> >
> 
> I am trying to understand, but having problems.
> 
> 1) 20985 does not change anything here. Do you mean 20989?

Well these numbers are not unique across repos - however the hex id
is unique..

Satish



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