[petsc-users] TSGL failure

[Jed Brown]

On Mon, Nov 28, 2011 at 18:45, Mike Sussman <mmsussman at gmail.com> wrote:

> The tutorial example in TS, ex2f.F, is designed to use the theta method.
> If, however, I use the runtime option "-ts_type gl", I get a segfault.
>

We had enough robustness problems with TSGL that it wasn't thoroughly
tested after rewriting TS ownership semantics. Consequently, TSGL can end
up not properly configured. I believe this is fixed in petsc-dev, but you
are probably better off with different methods right now. Perhaps most
interesting are the Rosenbrock-W methods with adaptive error control in
petsc-dev, try -ts_type rosw.
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