Hugo Gagnon <opensource.petsc at user.fastmail.fm> writes: > Hi, > > I'm getting a KSP_DIVERGED_INDEFINITE_PC error using CG with ILU. I > tried increasing the number of levels of fill and also tried other > options described in > http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/PC/PCILU.html > but without any luck. Are there some other preconditioner options > that might work?
What kind of problem are you solving? How does this work? -pc_type gamg -pc_gamg_agg_nsmooths 1
