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Kurt,</div>
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<code>Could you try launch <code>hostname</code> with the same command?<br>
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<code> mpiexec -launcher ssh -verbose -print-all-exitcodes -wdir <directory> -np 20 -ppn 1 hostname</code></div>
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If that went okay, it then seems to point to your application. Something in your code made Slurm kill the job.</div>
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-- <br>
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Hui<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Mccall, Kurt E. (MSFC-EV41) <kurt.e.mccall@nasa.gov><br>
<b>Sent:</b> Monday, June 13, 2022 4:02 PM<br>
<b>To:</b> Zhou, Hui <zhouh@anl.gov>; discuss@mpich.org <discuss@mpich.org><br>
<b>Subject:</b> RE: [EXTERNAL] Re: mpiexec fails to launch any processes</font>
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<p class="x_MsoNormal">Hui,</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">$ mpiexec -N 10 -hostfile MySlurmNodeFile2 hostname</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">works properly, reporting from each of 10 nodes.</p>
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<p class="x_MsoNormal">Kurt</p>
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<p class="x_MsoNormal"><b>From:</b> Zhou, Hui <zhouh@anl.gov> <br>
<b>Sent:</b> Monday, June 13, 2022 2:44 PM<br>
<b>To:</b> discuss@mpich.org<br>
<b>Cc:</b> Mccall, Kurt E. (MSFC-EV41) <kurt.e.mccall@nasa.gov><br>
<b>Subject:</b> [EXTERNAL] Re: mpiexec fails to launch any processes</p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Hi Kurt,</span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">I don't have much clue. Are you able to launch some trivial applications, for example,
</span><code><span style="font-size:10.0pt; color:black">"hostname</span></code><span style="font-size:12.0pt; color:black">"?</span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">-- </span></p>
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<p class="x_MsoNormal"><span style="font-size:12.0pt; color:black">Hui</span></p>
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<p class="x_MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Mccall, Kurt E. (MSFC-EV41) via discuss <<a href="mailto:discuss@mpich.org">discuss@mpich.org</a>><br>
<b>Sent:</b> Monday, June 13, 2022 12:29 PM<br>
<b>To:</b> <a href="mailto:discuss@mpich.org">discuss@mpich.org</a> <<a href="mailto:discuss@mpich.org">discuss@mpich.org</a>><br>
<b>Cc:</b> Mccall, Kurt E. (MSFC-EV41) <<a href="mailto:kurt.e.mccall@nasa.gov">kurt.e.mccall@nasa.gov</a>><br>
<b>Subject:</b> Re: [mpich-discuss] mpiexec fails to launch any processes</span> </p>
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<p class="x_xmsonormal">Outlook blocked the output file slurm.out that I had attached. Trying to send it again as slurm.txt.</p>
<p class="x_xmsonormal"> </p>
<p class="x_xmsonormal">Kurt</p>
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<p class="x_xmsonormal">Hi, </p>
<p class="x_xmsonormal"> </p>
<p class="x_xmsonormal">My mpiexec command fails to launch any processes. I ran it with the -verbose option but didn’t see any obvious errors in the output (attached).</p>
<p class="x_xmsonormal"> </p>
<p class="x_xmsonormal">The command is:</p>
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<p class="x_xmsonormal">mpiexec -launcher ssh -verbose -print-all-exitcodes -wdir <directory> -np 20 -ppn 1 <more args…></p>
<p class="x_xmsonormal"> </p>
<p class="x_xmsonormal">I am running MPICH 4.0.1 under Slurm 20.11.8. Thanks for any help.</p>
<p class="x_xmsonormal"> </p>
<p class="x_xmsonormal">Kurt</p>
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