On Mar 6, 2013, at 3:44 PM, "Mark F. Adams" <mark.adams at columbia.edu> wrote:
>> >> Yikes, the logic of SNES and MG (with dm etc) is getting a bit too >> convoluted. I would run in the debugger with a break point for >> MatCreate_MFFD() this will give a hint why it is being used. >> > > #0 0x0000000100fca059 in MatCreate_MFFD () > #1 0x0000000100eedc34 in MatSetType () > #2 0x0000000100fc7bc3 in MatCreateMFFD () > #3 0x00000001012acc90 in MatCreateSNESMF () > #4 0x00000001012c092e in SNESSetUp () > #5 0x00000001012c277b in SNESSolve () > > I will keep digging. This is the first one and it is not in the PC ? It looks like SNES is not getting set it's "master" Jacobian. If you run the same code with hypre does it also hit this create? Barry
