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<p>Hi Ian,</p>
<p>thanks for your quick reply!</p>
<p>There are a couple of other guys here who have successfully used
the toolkit with this version of openmpi, so I'm not sure if this
is at fault. There is not another version of openmpi available
currently on the cluster, but I could ask for this to be remedied.<br>
</p>
<p>I have tried using procs=48 and num-threads=2 but I find the same
problem.</p>
<p>As you say, I recompiled a clean config to double check. I have
also used the May 16 version but to no avail.</p>
<p>Could it be something to do with compilation, that has gone wrong
somehow, even though it finishes successfully with done?<br>
</p>
<p>Cheers,</p>
<p>Chris<br>
</p>
<br>
<div class="moz-cite-prefix">On 05/15/2017 09:10 PM, Ian Hinder
wrote:<br>
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cite="mid:94A78473-D5F6-4588-AD46-EFA5F6EE8C9D@aei.mpg.de">
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<div>On 15 May 2017, at 16:49, Chris Stevens <<a
href="mailto:c.stevens@ru.ac.za" moz-do-not-send="true">c.stevens@ru.ac.za</a>>
wrote:</div>
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<p>Hi there,</p>
<p>I am new to Cactus, and have been having trouble getting
the qc0-mclachlan.par test file to run. I have compiled
the latest version of Cactus successfully on the CHPC
cluster in South Africa.</p>
<p>I have attached .out and .err files for the run, along
with my machine file, optionlist file, run and submit
scripts. The submit command was <br>
</p>
<p>./simfactory/bin/sim submit mctest
--configuration=mclachlantest_mpidebug
--parfile=par/qc0-mclachlan.par --procs=240
--num-threads=12 --walltime=10:0:0 --queue=normal
--machine=lengau-intel</p>
<p>Using --mca orte_base_help_aggregate 0 in the mpirun
command in the runscript, the error is:</p>
<p>[cnode0823:136405] *** An error occurred in
MPI_Comm_create_keyval<br>
[cnode0823:136405] *** reported by process [476512257,3]<br>
[cnode0823:136405] *** on communicator MPI_COMM_WORLD<br>
[cnode0823:136405] *** MPI_ERR_ARG: invalid argument of
some other kind<br>
[cnode0823:136405] *** MPI_ERRORS_ARE_FATAL (processes in
this communicator will now abort,<br>
[cnode0823:136405] *** and potentially your MPI job)</p>
<p>I unfortunately have no idea where to go from here, and
some help would be greatly appreciated! I hope I have
attached enough information.<br>
</p>
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</blockquote>
<div>Hi Chris,</div>
<div><br>
</div>
<div>Welcome to Cactus! (meant in a friendly sense, not
sarcastic!)</div>
<div><br>
</div>
<div>I cannot see anything wrong, and I've never seen this error
before. It's a mystery. Have you tried running on fewer MPI
processes? I wonder if something is going wrong because the
problem size is too small for the number of processes. This
*shouldn't* cause a problem, but it's something to try. Is
there another MPI implementation, or another version of
OpenMPI, available on the machine? Maybe it's a bug in
OpenMPI 1.8.8. </div>
<div><br>
</div>
<div>When faced with such strange behaviour, it's always worth
wiping the configuration and rebuilding it, just in case it
was not built cleanly. e.g. when developing the optionlist,
maybe you partially built the configuration, then corrected
something, and the resulting configuration has a mixture of
the two versions. You can do this with rm -rf
configs/mclachlantest_mpidebug, though I suspect that the
debug version was built cleanly, so this is unlikely to be the
problem.</div>
<div><br>
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<div>-- </div>
<div>Ian Hinder</div>
<div><a href="http://members.aei.mpg.de/ianhin"
moz-do-not-send="true">http://members.aei.mpg.de/ianhin</a></div>
</div>
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<br>
<div class="moz-signature">-- <br>
<font size="-1" face="Cantarell" color="#666666">Dr Chris Stevens</font>
<div class="moz-signature"> <font size="-1" face="Cantarell"
color="#666666"> </font>
<p><font size="-1" face="Cantarell" color="#666666">Department
of Mathematics</font></p>
<font size="-1" face="Cantarell" color="#666666"> </font>
<p><font size="-1" face="Cantarell" color="#666666">Rhodes
University</font></p>
<p><font color="#666666"><font size="-1"><font face="Cantarell">Room
5</font></font></font></p>
<p><font color="#666666"><font size="-1"><font face="Cantarell">
Ph: +27 46 603 8932</font></font></font></p>
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