[petsc-users] SNES failed with reason -3

Jed Brown jed at jedbrown.org
Wed Apr 16 11:49:07 CDT 2014

Que Cat <quecat001 at gmail.com> writes:

> Hi Jed and Peter,
> Please see the attached file for the output. Thank you for your help.

The linear solve has stagnated.  This is usually due to an ineffective
preconditioner.  Tips here:


What sort of problem are you solving?
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