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Hydra supports <code>-configfile {name}</code> option, so one could try putting all his commandline arguments in a file and pass that to hydra.</div>
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<div>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> Raffenetti, Ken via discuss <discuss@mpich.org><br>
<b>Sent:</b> Monday, September 18, 2023 4:22 PM<br>
<b>To:</b> discuss@mpich.org <discuss@mpich.org>; Thakur, Rajeev <thakur@anl.gov><br>
<b>Cc:</b> Raffenetti, Ken <raffenet@anl.gov>; kumar.tarun@siemens.com <kumar.tarun@siemens.com><br>
<b>Subject:</b> Re: [mpich-discuss] Core dump in parse_args</font>
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<p class="x_MsoNormal">I’m not aware of a hard-coded limit, but I am able to reproduce a segfault reliably by passing 1000 arguments a toy executable. Will update with more info when we have it.</p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">Ken</p>
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<p class="x_MsoNormal" style="margin-left:.5in"><b><span style="font-size:12.0pt; color:black">From:
</span></b><span style="font-size:12.0pt; color:black">"kumar.tarun--- via discuss" <discuss@mpich.org><br>
<b>Reply-To: </b>"discuss@mpich.org" <discuss@mpich.org><br>
<b>Date: </b>Friday, September 15, 2023 at 4:57 PM<br>
<b>To: </b>"Thakur, Rajeev" <thakur@anl.gov>, "discuss@mpich.org" <discuss@mpich.org><br>
<b>Cc: </b>"kumar.tarun@siemens.com" <kumar.tarun@siemens.com><br>
<b>Subject: </b>Re: [mpich-discuss] Core dump in parse_args</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">Thanks Rajeev for your reply.
</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">I don’t have the exact number as of now. It’s definitely more than 1000. Is there a hard coded limit?</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif"> </span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">Regards<br>
Tarun</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><b><span style="">From:</span></b><span style=""> Thakur, Rajeev <thakur@anl.gov>
<br>
<b>Sent:</b> Friday, September 15, 2023 2:40 PM<br>
<b>To:</b> discuss@mpich.org<br>
<b>Cc:</b> Kumar, Tarun (DI SW ICS DVT RD QSCE) <kumar.tarun@siemens.com><br>
<b>Subject:</b> Re: [mpich-discuss] Core dump in parse_args</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"> </p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-family:"Lucida Grande",sans-serif">How many arguments?</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-family:"Lucida Grande",sans-serif"> </span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-family:"Lucida Grande",sans-serif">Rajeev</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><b><span style="font-size:12.0pt; color:black">From:
</span></b><span style="font-size:12.0pt; color:black">"kumar.tarun--- via discuss" <<a href="mailto:discuss@mpich.org">discuss@mpich.org</a>><br>
<b>Reply-To: </b>"<a href="mailto:discuss@mpich.org">discuss@mpich.org</a>" <<a href="mailto:discuss@mpich.org">discuss@mpich.org</a>><br>
<b>Date: </b>Friday, September 15, 2023 at 4:22 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>"<a href="mailto:kumar.tarun@siemens.com">kumar.tarun@siemens.com</a>" <<a href="mailto:kumar.tarun@siemens.com">kumar.tarun@siemens.com</a>><br>
<b>Subject: </b>[mpich-discuss] Core dump in parse_args</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style=""> </span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">Hi,</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif"> I recently encountered this crash where mpiexec when executed from a bash script and with a large number of arguments crashes. The core dump
is as follows:</span></p>
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<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">#0 0x0000000000408ec3 in parse_args ()</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">#1 0x0000000000409f26 in HYD_uii_mpx_get_parameters ()</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">#2 0x000000000040397a in main ()</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif"> </span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">If I reduce the number of arguments then I don’t see the crash. Is it a known issue?</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif"> </span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">Regards</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif">Tarun</span></p>
<p class="x_MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt; font-family:"Arial",sans-serif"> </span></p>
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