<div class="gmail_quote">On Tue, Oct 25, 2011 at 15:46, Dominik Szczerba <span dir="ltr"><<a href="mailto:dominik@itis.ethz.ch">dominik@itis.ethz.ch</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div id=":34d">Has the default preconditioning side for KSPFGMRES changed between 3.1 and 3.2?<br>
I am debugging one of my old 3.1 codes where I had two KSPFGMRES<br>
solvers with explicit defined PC side, and after upgrade to 3.2 one<br>
and only one of them complains he does not support left<br>
preconditioning.</div></blockquote></div><br><div>FGMRES never supported left preconditioning. It may be that your choice was getting switched before (I removed some order dependence, setting the type after setting the side used to be able to lose the side).</div>