<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Sorry about that. I suspect I accidentally checked that in when I was debugging something.<div><br></div><div>Charles</div><div><br><div><div>On 7/12/2009, at 10:28 AM, Brad Aagaard wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Isabelle-<br><br>Yes this was a execution/setup issue, PETSc tries to open an xterm when <br>start_in_debugger = true and this can cause problems if X windows is not <br>running (often true on OS X).<br><br>I just checked and this error was introduced in Aug when Charles changed <br>the value of this flag in the twohex8/twocells example. None of the <br>other examples have this flag set by default. I just fixed this change <br>for the development version so it shouldn't be in the next release.<br><br>Brad<br><br><br>Isabelle Ryder wrote:<br><blockquote type="cite">Hi Brad/Matt<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Thanks for your suggestions. Changing the debug option to 0 didn't work, <br></blockquote><blockquote type="cite">but commenting out the line<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">start_in_debugger = true<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">in pylithapp.cfg has solved the problem. Now all the viscoelastic <br></blockquote><blockquote type="cite">examples in the twocells/twohex8 directory have run to completion. The <br></blockquote><blockquote type="cite">outputs match the jpg sample figures provided: so can we assume that <br></blockquote><blockquote type="cite">execution was merely getting "interrupted" as it were by the debugger, <br></blockquote><blockquote type="cite">without there being a serious computational issue...?<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Isabelle<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">On Sun, Dec 6, 2009 at 8:37 PM, Brad Aagaard <<a href="mailto:baagaard@usgs.gov">baagaard@usgs.gov</a> <br></blockquote><blockquote type="cite"><<a href="mailto:baagaard@usgs.gov">mailto:baagaard@usgs.gov</a>>> wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> Isabelle-<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> Another difference between the 3d/hex8 examples and the<br></blockquote><blockquote type="cite"> twocells/twohex8 example, is the<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> [pylithapp.mesh_generator]<br></blockquote><blockquote type="cite"> debug = 1<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> in twocells/twohex8/pylithapp.cfg. Change this to<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> [pylithapp.mesh_generator]<br></blockquote><blockquote type="cite"> debug = 0<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> and let me know if this resolves the issue.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> Brad<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> _______________________________________________<br></blockquote><blockquote type="cite"> CIG-SHORT mailing list<br></blockquote><blockquote type="cite"> CIG-SHORT@geodynamics.org <<a href="mailto:CIG-SHORT@geodynamics.org">mailto:CIG-SHORT@geodynamics.org</a>><br></blockquote><blockquote type="cite"> <a href="http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short">http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">-- <br></blockquote><blockquote type="cite">Dr Isabelle Ryder<br></blockquote><blockquote type="cite">Lecturer in Geophysics<br></blockquote><blockquote type="cite">Dept of Earth & Ocean Sciences<br></blockquote><blockquote type="cite">University of Liverpool<br></blockquote><blockquote type="cite">L69 3GP<br></blockquote><blockquote type="cite">tel: 0151 7945143<br></blockquote><blockquote type="cite"><br></blockquote><br>_______________________________________________<br>CIG-SHORT mailing list<br><a href="mailto:CIG-SHORT@geodynamics.org">CIG-SHORT@geodynamics.org</a><br>http://geodynamics.org/cgi-bin/mailman/listinfo/cig-short<br></div></blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">Charles A. 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