Do you have a backtrace?<br><br>-erik<br><br>On Sunday, March 22, 2015, Einstein Toolkit &lt;<a href="mailto:trac-noreply@einsteintoolkit.org">trac-noreply@einsteintoolkit.org</a>&gt; wrote:<br>&gt; #1326: running loopcontrol on strange number of threads fails<br>&gt; ------------------------------------+---------------------------------------<br>&gt;   Reporter:  rhaas                  |       Owner:<br>&gt;       Type:  defect                 |      Status:  new<br>&gt;   Priority:  minor                  |   Milestone:<br>&gt;  Component:  EinsteinToolkit thorn  |     Version:<br>&gt; Resolution:                         |    Keywords:  LoopControl<br>&gt; ------------------------------------+---------------------------------------<br>&gt;<br>&gt; Comment (by rhaas):<br>&gt;<br>&gt;  This still happens even with current (Sun Mar 22 18:46:21 CET 2015) trunk,<br>&gt;  though failure looks a bit different now:<br>&gt;  {{{<br>&gt;  actus_sim:<br>&gt;  /data/rhaas/postdoc/gr/ET_trunk/configs/sim/build/LoopControl/loopcontrol.cc:312:<br>&gt;  T {anonymous}::divexact(T, T) [with T = int]: Assertion `i % j == 0&#39;<br>&gt;  failed<br>&gt;  }}}<br>&gt;<br>&gt; --<br>&gt; Ticket URL: &lt;<a href="https://trac.einsteintoolkit.org/ticket/1326#comment:1">https://trac.einsteintoolkit.org/ticket/1326#comment:1</a>&gt;<br>&gt; Einstein Toolkit &lt;<a href="http://einsteintoolkit.org">http://einsteintoolkit.org</a>&gt;<br>&gt; The Einstein Toolkit<br>&gt; _______________________________________________<br>&gt; Trac mailing list<br>&gt; <a href="mailto:Trac@einsteintoolkit.org">Trac@einsteintoolkit.org</a><br>&gt; <a href="http://lists.einsteintoolkit.org/mailman/listinfo/trac">http://lists.einsteintoolkit.org/mailman/listinfo/trac</a><br>&gt;<br><br>-- <br>Erik Schnetter &lt;<a href="mailto:schnetter@cct.lsu.edu" target="_blank">schnetter@cct.lsu.edu</a>&gt;<br><a href="http://www.perimeterinstitute.ca/personal/eschnetter/" target="_blank">http://www.perimeterinstitute.ca/personal/eschnetter/</a><br>