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Thanks. I had further discussion on this on github: https: //github. com/pmodels/mpich/discussions/7052 I’m reposting my last response there as I need some answers. We got the confirmation from the customer that there was a security application
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Thanks. I had further discussion on this on github:
<a href="https://urldefense.us/v3/__https://github.com/pmodels/mpich/discussions/7052__;!!G_uCfscf7eWS!dnnk-6VPKT4-PQsWX4YCteFlSd4W1AwKYtiYNuX1yGNzR-Lc6a3op_cS87cAXevw_dHnGeWEurb-PvSxpO4$">https://github.com/pmodels/mpich/discussions/7052</a><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">I’m reposting my last response there as I need some answers.<o:p></o:p></span></p>
<p style="margin-top:0in;background:#010409"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#E6EDF3">We got the confirmation from the customer that there was a security application which was somehow killing the application as the application(and
it's executables) were not whitelisted.<o:p></o:p></span></p>
<p style="margin-top:0in;background:#010409;box-sizing: border-box;margin-bottom:var(--base-size-16);font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#E6EDF3">I have couple of questions:<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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<span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;mso-ligatures:none">Is the latest stable release of mpi4.2.2 stable against such instances? Is single machine run still require TCP ports or is it done using shared memory?<o:p></o:p></span></li><li class="MsoNormal" style="color:#E6EDF3;margin-top:3.0pt;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1;background:#010409">
<span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;mso-ligatures:none">Is there anything that we can do while configuring mpich 3.2.1(the current version we are using) to make the application more robust against such instances? As I said it's a
single machine run, so I'm still not sure why TCP ports are involved.<o:p></o:p></span></li></ol>
<p class="MsoNormal" style="background:#010409"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#E6EDF3;mso-ligatures:none">Thanks<br>
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>
<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><span style="font-family:"Calibri",sans-serif;mso-ligatures:none">From:</span></b><span style="font-family:"Calibri",sans-serif;mso-ligatures:none"> Raffenetti, Ken <raffenet@anl.gov>
<br>
<b>Sent:</b> Sunday, July 7, 2024 5:24 AM<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] Seeking possible causes for an assertion error in socksm.c at line 600: hdr.pkt_type == MPIDI_NEM_TCP_SOCKSM_PKT_ID_INFO || ...<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Are you able to update the MPICH version? MPICH 3.2.1 was released in 2017 and is no longer actively supported/maintained.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Ken<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-family:"Calibri",sans-serif;color:black">From:
</span></b><span style="font-family:"Calibri",sans-serif;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>Saturday, July 6, 2024 at 3:49 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] Seeking possible causes for an assertion error in socksm.c at line 600: hdr.pkt_type == MPIDI_NEM_TCP_SOCKSM_PKT_ID_INFO || ...</span><span style="font-size:12.0pt;font-family:"Calibri",sans-serif;color:black;mso-ligatures:none"><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in;mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">Hi, We are hitting following assertion: Assertion failed in file ..</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">nemesis/netmod/tcp/socksm.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">c
at line 600: hdr.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">pkt_type == MPIDI_NEM_TCP_SOCKSM_PKT_ID_INFO || ..</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">.
I looked at the assert and it looks like this in file …/nemesis/netmod/tcp/socksm.</span><span style="font-size:1.0pt;font-family:"Arial",sans-serif;color:white"> </span><span style="font-size:1.0pt;color:white">c
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">This message came from outside your organization.
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Hi,</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> We are hitting following assertion:</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Assertion failed in file ...nemesis/netmod/tcp/socksm.c at line 600: hdr.pkt_type == MPIDI_NEM_TCP_SOCKSM_PKT_ID_INFO || ...</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">I looked at the assert and it looks like this in file …/nemesis/netmod/tcp/socksm.c</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">MPIU_Assert(hdr.pkt_type == MPIDI_NEM_TCP_SOCKSM_PKT_ID_INFO ||</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">hdr.pkt_type == MPIDI_NEM_TCP_SOCKSM_PKT_TMPVC_INFO);</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">We have tried multiple cores/partitions from 2 to 8 and the behaviour is same. Also a process is aborted and a message appears to suggest that. Mostly
it's process 0 which is aborted but I have seen other processes as well reporting the crash. We are using mpich-3.2.1. I'm trying to understand possible causes for this error? I have explored the forum and no possible causes, like machine going out of memory
etc are applicable here. Please suggest. Are there any debug/log/trace options I can use with mpiexec to further root cause?</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Regards</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Tarun</span><o:p></o:p></p>
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