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<p class="MsoNormal">CentOS 7.7.1908<o:p></o:p></p>
<p class="MsoNormal">Slurm 18.08.8<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">When trying to run an interactive job I am getting the following error:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">srun: error: task 0 launch failed: Slurmd could not connect IO<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Checking the log file on the compute node I see the following error:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[2020-03-25T01:42:08.262] launch task 13.0 request from UID:1326 GID:50000 HOST:192.168.229.254 PORT:14980<o:p></o:p></p>
<p class="MsoNormal">[2020-03-25T01:42:08.262] lllp_distribution jobid [13] implicit auto binding: cores,one_thread, dist 8192<o:p></o:p></p>
<p class="MsoNormal">[2020-03-25T01:42:08.262] _task_layout_lllp_cyclic<o:p></o:p></p>
<p class="MsoNormal">[2020-03-25T01:42:08.262] _lllp_generate_cpu_bind jobid [13]: mask_cpu,one_thread, 0x0000000000000001<o:p></o:p></p>
<p class="MsoNormal">[2020-03-25T01:42:08.262] _run_prolog: run job script took usec=5<o:p></o:p></p>
<p class="MsoNormal">[2020-03-25T01:42:08.262] _run_prolog: prolog with lock for job 13 ran for 0 seconds<o:p></o:p></p>
<p class="MsoNormal">[2020-03-25T01:42:08.272] [13.0] Considering each NUMA node as a socket<o:p></o:p></p>
<p class="MsoNormal"><b>[2020-03-25T01:42:08.310] [13.0] error: stdin openpty: Operation not permitted<o:p></o:p></b></p>
<p class="MsoNormal"><b>[2020-03-25T01:42:08.311] [13.0] error: IO setup failed: Operation not permitted<o:p></o:p></b></p>
<p class="MsoNormal">[2020-03-25T01:42:08.311] [13.0] error: job_manager exiting abnormally, rc = 4021<o:p></o:p></p>
<p class="MsoNormal">[2020-03-25T01:42:08.315] [13.0] done with job<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">When doing the same on a CentOS 7.3 and Slurm 18.08.4 cluster the interactive job runs as expected.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any advise on how to remedy this would be appreciated.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-Sajesh-<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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