[petsc-users] Multiple solves with PCMG fail

[Filippo Leonardi]

On Monday 27 October 2014 14:31:45 Mark Adams wrote:
> 
> I'm not sure what you are asking.  starting i=0 or i=1, and with and
> without mg.  So four possibilities?  The solutions will be different for
> i=0 or 1 in this code:
> 

Yes, 4 cases:
i = 0, MG: wrong solution *(for *any* solution, even afterwards, i.e. i >= 0)* 
(and error, if debug)
i = 1, MG: ok
i = 0, CG: (or anything): ok
i = 1, CG (or anything): ok

> -ksp_chebyshev_estimate_eigenvalues_random

Can try this but the problem, to me, seems deeper (because inherited from each 
solve afterwards).
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