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To Whom It May Concern:</div>
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I have built pnetcdf 1.14.0 with the Intel Classic Compilers 2021.6.0 and openmpi/4.1.5 on
<a href="https://www.lcrc.anl.gov/systems/improv" id="LPlnk653614" title="https://www.lcrc.anl.gov/systems/improv">
Argonne's Improv Cluster</a>. It is a cluster of 825 nodes with two<span style="font-weight: 600;"> AMD EPYC 7713 64C 2GHz processors with an Infiniband HDR200 interconnect.</span></div>
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This build passes the serial tests but fails the parallel test invoked with the command "make ptests"</div>
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The third test in examples/C fails with the following error.</div>
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Error mmapping the file: Bad file descriptor</div>
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I have attached a config.log, output, and error.log from the failed test.</div>
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Any help in resolving this issue would be greatly appreciated.</div>
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John J. Low<br>
Principal Computational Science Specialist<br>
Computational Science (CPS) Division<br>
Building 240, 2143<br>
9700 South Cass Avenue<br>
Argonne National Laboratory<br>
Argonne, IL 60439.<br>
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