Pushed a fix. Let me know if the issue remains. Hong On Mon, Apr 11, 2011 at 9:15 AM, Lisandro Dalcin <[email protected]> wrote:

My testsuite catched an issue when creating zero-sized BASIC AO's. It is easy to reproduce (at least from Pyhon).

In [1]: from petsc4py import PETSc

In [2]: ao = PETSc.AO().createBasic([],[]) --------------------------------------------------------------------------- Error                                     Traceback (most recent call last)

/home/dalcinl/Devel/petsc4py-dev-tmp/<ipython console> in <module>()

/home/dalcinl/lib64/python/petsc4py/lib/arch-linux2-c-debug/PETSc.so in petsc4py.PETSc.AO.createBasic (src/petsc4py.PETSc.c:112438)()

Error: error code 62 [0] AOCreateBasic() line 341 in /home/devel/petsc/dev/src/dm/ao/impls/basic/aobasic.c [0] AOCreateBasicIS() line 383 in /home/devel/petsc/dev/src/dm/ao/impls/basic/aobasic.c [0] AOSetType() line 47 in /home/devel/petsc/dev/src/dm/ao/interface/aoreg.c [0] AOCreate_Basic() line 294 in /home/devel/petsc/dev/src/dm/ao/impls/basic/aobasic.c [0] ISRestoreIndices() line 416 in /home/devel/petsc/dev/src/vec/is/interface/index.c [0] ISRestoreIndices_General() line 149 in /home/devel/petsc/dev/src/vec/is/impls/general/general.c [0] Invalid argument [0] Must restore with value from ISGetIndices()

-- Lisandro Dalcin --------------- CIMEC (INTEC/CONICET-UNL) Predio CONICET-Santa Fe Colectora RN 168 Km 472, Paraje El Pozo 3000 Santa Fe, Argentina Tel: +54-342-4511594 (ext 1011) Tel/Fax: +54-342-4511169