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<p class="MsoNormal">Hi Everyone,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I get a strange error during a call to MatAssemblyBegin. The error message is triggered by Intel MPI, as shown below. The error does not always occurs, which is even more strange.<o:p></o:p></p>
<p class="MsoNormal">[333:node1179] unexpected disconnect completion event from [163:node1254]<o:p></o:p></p>
<p class="MsoNormal">Assertion failed in file ../../dapl_conn_rc.c at line 1128: 0<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">All ranks output the same error message with their own node number. I did a bit of research and some say that MPICH2 solves this issue. Since our group is keen in using Intel MPI, I would like to solves this issue at the root.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A few important points:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>At the moment, we are assembling the matrix with a single MatAssembleBegin/End and MAT_FINAL_ASSEMBLY after doing MatSetValuesBlocked. Can it be due to memory overflow in the buffers?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>We are using -genv I_MPI_FABRICS shm:dapl in the submission script<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:Symbol"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]>I tried using –malloc_log and –log_summary, but the crash prevents writing the log ouput<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Has anyone of you already faced this issue?<o:p></o:p></p>
<p class="MsoNormal">Any suggestion is welcome,<o:p></o:p></p>
<p class="MsoNormal">Best regards,<o:p></o:p></p>
<p class="MsoNormal">Antoine DeBlois<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7F7F7F">Antoine DeBlois</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7F7F7F"><br>
Specialiste ingenierie, MDO lead / Engineering Specialist, MDO lead<br>
Aéronautique / Aerospace</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#131E29"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7F7F7F">514-855-5001, x 50862<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#131E29"><a href="mailto:antoine.deblois@aero.bombardier.com"><span style="color:blue">antoine.deblois@aero.bombardier.com</span></a><br>
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<p class="MsoNormal"><i><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7F7F7F">H4S 1A9</span></i><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#7F7F7F"><br>
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