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<p class="MsoNormal">Since updating to 20.11.2 from 20.02.3 or 20.02.6, and not before, we are seeing this error for every job in slurmd.log files; there has been no other change besides the slurm version update, including the node configurations.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[2020-12-30T07:56:40.692] [9540590.batch] error: xcpuinfo_abs_to_mac: failed<o:p></o:p></p>
<p class="MsoNormal">[2020-12-30T07:56:40.692] [9540590.batch] error: task_cgroup_cpuset_create: unable to build job physical cores<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The node configuration is as follows:<o:p></o:p></p>
<p class="MsoNormal">NodeName=gcp13040[1-2] CPUs=256 RealMemory=512000 Weight=5120000 Feature="AuthenticAMD,amd"<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"># slurmd -C<o:p></o:p></p>
<p class="MsoNormal">NodeName=gcp130401 CPUs=256 Boards=1 SocketsPerBoard=2 CoresPerSocket=64 ThreadsPerCore=2 RealMemory=515689<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This configuration is intentional; we schedule to the core.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal">Jenny Williams<o:p></o:p></p>
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