He's should submit a full bug report to [email protected]. Barry
> On Sep 16, 2016, at 2:48 PM, Mark Adams <[email protected]> wrote: > > Garth is getting a segv when he uses -pc_gamg_asm_use_agg and an overlap of 1. > > This seems like a pretty hard thing to do right and I would not be surprised > if it was not done with complete generality. MatGetSubMatrix is find to get > any submatrix but enlarging a remote subdomain seems very tricky. > > Should I perhaps check for overlap in GAMG and give an error? Maybe it would > be better to have ASM do this. Maybe I could make ASM have a flag > am-i-nested and not allow overlap if not? > > Mark
