MPI has some asinine semantics with MPI_Ops being used differently with collectives and with one-sided. I pushed a fix yesterday.
On Mon, Apr 23, 2012 at 08:46, Alexander Grayver <agrayver at gfz-potsdam.de>wrote: > On 23.04.2012 15:12, Jed Brown wrote: > >> My fault, now fixed: >> >> http://petsc.cs.iit.edu/petsc/**petsc-dev/rev/8a997a5a65d3<http://petsc.cs.iit.edu/petsc/petsc-dev/rev/8a997a5a65d3> >> > > Jed, > > MatAXPY works fine, although during tests there was crash: > > Possible error running C/C++ src/snes/examples/tutorials/**ex19 with 2 > MPI processes > See > http://www.mcs.anl.gov/petsc/**documentation/faq.html<http://www.mcs.anl.gov/petsc/documentation/faq.html> > lid velocity = 0.0016, prandtl # = 1, grashof # = 1 > [0]PETSC ERROR: PetscSplitReductionApply() line 328 in > /home/lib/petsc-dev1/src/vec/**vec/utils/comb.c > [0]PETSC ERROR: PetscSplitReductionEnd() line 247 in > /home/lib/petsc-dev1/src/vec/**vec/utils/comb.c > [0]PETSC ERROR: VecNormEnd() line 672 in /home/lib/petsc-dev1/src/vec/** > vec/utils/comb.c > [0]PETSC ERROR: SNESSolve_LS() line 172 in /home/lib/petsc-dev1/src/snes/* > *impls/ls/ls.c > [0]PETSC ERROR: SNESSolve() line 3458 in /home/lib/petsc-dev1/src/snes/** > interface/snes.c > [0]PETSC ERROR: main() line 151 in src/snes/examples/tutorials/**ex19.c > [1]PETSC ERROR: PetscSplitReductionApply() line 328 in > /home/lib/petsc-dev1/src/vec/**vec/utils/comb.c > [1]PETSC ERROR: PetscSplitReductionEnd() line 247 in > /home/lib/petsc-dev1/src/vec/**vec/utils/comb.c > [1]PETSC ERROR: VecNormEnd() line 672 in /home/lib/petsc-dev1/src/vec/** > vec/utils/comb.c > [1]PETSC ERROR: SNESSolve_LS() line 172 in /home/lib/petsc-dev1/src/snes/* > *impls/ls/ls.c > [1]PETSC ERROR: SNESSolve() line 3458 in /home/lib/petsc-dev1/src/snes/** > interface/snes.c > [1]PETSC ERROR: main() line 151 in src/snes/examples/tutorials/**ex19.c > > -- > Regards, > Alexander > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120424/93524b26/attachment.html>
