<p>N.b., I meant lapw0 everywhere as I believe you said that is where the problem is. If it is in lapw1, then change everything to lapw1 in my email.</p>
<p>---------------------------<br>
Professor Laurence Marks<br>
Department of Materials Science and Engineering<br>
Northwestern University<br>
<a href="http://www.numis.northwestern.edu">www.numis.northwestern.edu</a> 1-847-491-3996<br>
"Research is to see what everybody else has seen, and to think what nobody else has thought"<br>
Albert Szent-Gyorgi<br>
</p>
<div class="gmail_quote">On Aug 28, 2012 10:34 PM, "Laurence Marks" <<a href="mailto:L-marks@northwestern.edu">L-marks@northwestern.edu</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<p>Hmmm. I was hoping for something human readable like a traceback showing where it died. Please check both the lapw0.error files and case.dayfile to see if they gave anything useful. Also, what are the last few lines of case.output0000?</p>
<p>You may get somewhere by running the mpirun command by hand, I have seen this help. If you understand csh then you want to add an echo $tt at the relevant location in lapw0para. </p>
<p>If not you can change the first line of lapw1para to "-xf" rather than just "-f". Then do x lapw0 -p again. You will get a hundred or so lines of output one of which towards the end will be something like</p>
<p>"mpirun -np 12 ..."</p>
<p>Then paste this line by itself in a terminal. Maybe then something human readable will emerge.</p>
<p>Unfortunately debugging mpi is not trivial, and a SIGSEV can also be non trivial as the error may not appear at the right place, making life more fun. </p>
<p>Do you gave totalview or a similar mpi debugger available? You can get a demo version of totalview free for I believe 30 days.</p>
<p>---------------------------<br>
Professor Laurence Marks<br>
Department of Materials Science and Engineering<br>
Northwestern University<br>
<a href="http://www.numis.northwestern.edu" target="_blank">www.numis.northwestern.edu</a> 1-847-491-3996<br>
"Research is to see what everybody else has seen, and to think what nobody else has thought"<br>
Albert Szent-Gyorgi<br>
</p>
<div class="gmail_quote">On Aug 28, 2012 10:09 PM, "Paul Fons" <<a href="mailto:paul-fons@aist.go.jp" target="_blank">paul-fons@aist.go.jp</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word">
I compiled fftw3 using the Intel suite as well. The appropriate line from config.log reads
<div><br>
<div>./configure CC=icc F77=ifort MPICC=mpiicc --prefix=/opt/local --enable-mpi --enable-threads --prefix=/opt/local/fftw3</div>
<div><br>
</div>
<div>I note that the configuration file only calls for a mpicc compiler (and I used the Intel compiler) and not a fortran compiler. The compiled code (mpi-bench does work fine with the Intel mpirun).</div>
<div><br>
</div>
<div><br>
</div>
<div>After commenting out the call W2kinit subroutine and recompiling lapw0 (via the siteconfig script), I attempted to run run_lapw in both serial and parallel forms as you can see below. The serial form worked fine</div>
<div><br>
</div>
<div>Paul</div>
<div><br>
</div>
<div>
<div>matstud@ursa:~/WienDisk/Fons/GaAs> run_lapw</div>
<div> LAPW0 END</div>
<div> LAPW1 END</div>
<div> LAPW2 END</div>
<div> CORE END</div>
<div> MIXER END</div>
<div>ec cc and fc_conv 1 1 1</div>
<div><br>
</div>
<div>> stop</div>
<div><br>
</div>
<div><br>
</div>
<div>matstud@ursa:~/WienDisk/Fons/GaAs> run_lapw -p</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div>forrtl: severe (174): SIGSEGV, segmentation fault occurred</div>
<div><br>
</div>
<div>> stop error</div>
</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
<div>
<div>On Aug 28, 2012, at 9:16 AM, Laurence Marks wrote:</div>
<br>
<blockquote type="cite">
<p>One suggestion: comment out the line towards the top of lapw0.F </p>
<p> call W2kinit </p>
<p>You should get a more human readable error message. </p>
<p>As an addendum, was fftw3 compiled with mpiifort? I assume from your email that it was, just checking.
</p>
<p>N.B., there is a small chance that this will hang your computer.</p>
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