Looks like I fixed this after petsc-3.2 was released. http://petsc.cs.iit.edu/petsc/petsc-dev/rev/9d0d4
On Sun, Nov 27, 2011 at 14:55, Mike Sussman <sussmanm at math.pitt.edu> wrote: > Thank you, Matt, for your response. > > I am calling TSSolve(), and I am checking all return codes, using > CHKERRQ. > > The case I am running is very similar to the ts tutorial example ex2f.F, > re-formulated as a DAE. I am using TSTHETA. The line starting > "Timestep =" is from the MyMonitor function in that example. The line > starting "(DAE)" is my line, printed after the TSSolve() has completed. > > For example, I ran a case with 100 time steps, turning on > -snes_converged_reason and -snes_monitor. The final several steps are: > > 46 SNES Function norm 4.129815386097e+00 > 47 SNES Function norm 4.129815386096e+00 > 48 SNES Function norm 4.129815386095e+00 > 49 SNES Function norm 4.129815386095e+00 > 50 SNES Function norm 4.129815386095e+00 > Nonlinear solve did not converge due to DIVERGED_MAX_IT > Timestep = 99,time = 0.839 sec, error [2-norm] = 1.132E+00, error > [max-norm] = 1.635E+00 > 0 SNES Function norm 4.106011479715e+00 > 1 SNES Function norm 4.105987638450e+00 > Nonlinear solve did not converge due to DIVERGED_LINE_SEARCH > Timestep = 100,time = 0.847 sec, error [2-norm] = 1.144E+00, error > [max-norm] = 1.652E+00 > (DAE) Number of time-steps 100 final time 8.4746E-01 solution norm > 1.0823E+01 > > -- > Mike Sussman > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20111127/6efbc6ab/attachment.htm>
