<div class="gmail_quote">On Fri, Aug 5, 2011 at 16:58, 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;">
Why would it happen only for np>8?</blockquote></div><br><div>Depends on the logic in your code. I would start in a debugger with breakpoints on the lines calling MatAssemblyBegin() and VecAssemblyBegin(). You can get line numbers from the stack trace you sent, if you are calling those functions more than once.</div>