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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Thanks. Good to know. I will explore further.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Tarun<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Zhou, Hui <zhouh@anl.gov> <br>
<b>Sent:</b> Monday, September 18, 2023 2:34 PM<br>
<b>To:</b> discuss@mpich.org; Thakur, Rajeev <thakur@anl.gov><br>
<b>Cc:</b> Raffenetti, Ken <raffenet@anl.gov>; Kumar, Tarun (DI SW ICS DVT RD QSCE) <kumar.tarun@siemens.com><br>
<b>Subject:</b> Re: [mpich-discuss] Core dump in parse_args<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Hydra supports </span>
<code><span style="font-size:10.0pt;color:black">-configfile {name}</span></code><span style="font-size:12.0pt;color:black"> option, so one could try putting all his commandline arguments in a file and pass that to hydra.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Hui<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Raffenetti, Ken via discuss <<a href="mailto:discuss@mpich.org">discuss@mpich.org</a>><br>
<b>Sent:</b> Monday, September 18, 2023 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>>; Thakur, Rajeev <<a href="mailto:thakur@anl.gov">thakur@anl.gov</a>><br>
<b>Cc:</b> Raffenetti, Ken <<a href="mailto:raffenet@anl.gov">raffenet@anl.gov</a>>;
<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> Re: [mpich-discuss] Core dump in parse_args</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="xmsonormal">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.<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
<p class="xmsonormal">Ken<o:p></o:p></p>
<p class="xmsonormal"> <o:p></o:p></p>
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<p class="xmsonormal" 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 4:57 PM<br>
<b>To: </b>"Thakur, Rajeev" <<a href="mailto:thakur@anl.gov">thakur@anl.gov</a>>, "<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>Re: [mpich-discuss] Core dump in parse_args</span><o:p></o:p></p>
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<p class="xmsonormal" style="margin-left:.5in"> <o:p></o:p></p>
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<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Thanks Rajeev for your reply.
</span><o:p></o:p></p>
<p class="xmsonormal" 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><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Regards<br>
Tarun</span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
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<p class="xmsonormal" style="margin-left:.5in"><b>From:</b> Thakur, Rajeev <<a href="mailto:thakur@anl.gov">thakur@anl.gov</a>>
<br>
<b>Sent:</b> Friday, September 15, 2023 2:40 PM<br>
<b>To:</b> <a href="mailto:discuss@mpich.org">discuss@mpich.org</a><br>
<b>Cc:</b> Kumar, Tarun (DI SW ICS DVT RD QSCE) <<a href="mailto:kumar.tarun@siemens.com">kumar.tarun@siemens.com</a>><br>
<b>Subject:</b> Re: [mpich-discuss] Core dump in parse_args<o:p></o:p></p>
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<p class="xmsonormal" style="margin-left:.5in"> <o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-family:"Lucida Grande"">How many arguments?</span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-family:"Lucida Grande""> </span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-family:"Lucida Grande"">Rajeev</span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-family:"Lucida Grande""> </span><o:p></o:p></p>
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<p class="xmsonormal" 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><o:p></o:p></p>
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<p class="xmsonormal" style="margin-left:.5in"> <o:p></o:p></p>
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<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Hi,</span><o:p></o:p></p>
<p class="xmsonormal" 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><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">#0 0x0000000000408ec3 in parse_args ()</span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">#1 0x0000000000409f26 in HYD_uii_mpx_get_parameters ()</span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">#2 0x000000000040397a in main ()</span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="xmsonormal" 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><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Regards</span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Tarun</span><o:p></o:p></p>
<p class="xmsonormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
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