<div dir="ltr"><div class="gmail_quote"><div dir="ltr">On Tue, Nov 6, 2018 at 5:24 AM Stefano Zampini via petsc-users <<a href="mailto:petsc-users@mcs.anl.gov">petsc-users@mcs.anl.gov</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space"><span><br>[0]PETSC ERROR: Try option -start_in_debugger or -on_error_attach_debugger<br></span></div></blockquote><div><br></div>Have you tried what PETSc suggests here (-on_error_attach_debugger)?<br><div class="gmail_quote">You may need to specify "-on_error_attach_debugger lldb" on a MacOS</div></div></div></blockquote><div><br></div><div>1) So that error occurs with the smallest BoxMesh? That would be 6 tets.</div><div><br></div><div>2) I would really need a stack to tell you anything. You can get this by running in the debugger.</div><div><br></div><div>This is something we run every night (exactly this), so I suspect its some inconsistency in that build.</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">-- <br><div dir="ltr" class="m_-3946481379542912670gmail_signature" data-smartmail="gmail_signature">Stefano</div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div><div><br></div><div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>