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Hi,</div>
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I've managed to compile ET after switching to gnu compilers and openmpi, but I'm getting this warning: </div>
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/usr/bin/ld: warning: libgfortran.so.3, needed by /usr/lib64/../lib64/liblapack.so, may conflict with libgfortran.so.5</div>
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The code passed the Hello World test but when I run the TOV test I get a segmentation fault, which seems to happen when it's testing vectorisation: </div>
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Rank 0 with PID 139005 received signal 11</div>
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Writing backtrace to tov_ET/backtrace.0.txt</div>
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Primary job terminated normally, but 1 process returned</div>
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a non-zero exit code. Per user-direction, the job has been aborted.</div>
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mpirun noticed that process rank 0 with PID 139005 on node ccs0135 exited on signal 11 (Segmentation fault).</div>
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I also get this at the start of the .out file:</div>
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[1721961556.411313] [ccs0135:139005:0] ucp_context.c:1529 UCX WARN UCP version is incompatible, required: 1.11, actual: 1.9 (release 0 /lib64/libucp.so.0)</div>
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I'm also wondering about another message I get: </div>
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"This OpenMPI build is integrated with Slurm. Use 'srun' to launch in a Slurm job rather than 'mpirun'."</div>
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When I tried to use srun in the run script, I had problems, so I changed it back to mpirun. Not sure if that is causing a problem?</div>
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Here is what happened when I used srun:</div>
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[ccs0001:248227] mca_base_component_repository_open: unable to open mca_pmix_s2: libpmi2.so.0: cannot open shared object file: No such file or directory (ignored)</div>
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[ccs0001:248227] mca_base_component_repository_open: unable to open mca_pmix_s1: libpmi.so.0: cannot open shared object file: No such file or directory (ignored)</div>
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[ccs0001:248227] OPAL ERROR: Not initialized in file pmix2x_client.c at line 112</div>
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The application appears to have been direct launched using "srun",</div>
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but OMPI was not built with SLURM's PMI support and therefore cannot</div>
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execute. There are several options for building PMI support under</div>
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SLURM, depending upon the SLURM version you are using:</div>
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version 16.05 or later: you can use SLURM's PMIx support. This</div>
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requires that you configure and build SLURM --with-pmix.</div>
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Versions earlier than 16.05: you must use either SLURM's PMI-1 or</div>
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PMI-2 support. SLURM builds PMI-1 by default, or you can manually</div>
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install PMI-2. You must then build Open MPI using --with-pmi pointing</div>
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to the SLURM PMI library location.</div>
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Please configure as appropriate and try again.</div>
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*** An error occurred in MPI_Init_thread</div>
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*** on a NULL communicator</div>
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*** MPI_ERRORS_ARE_FATAL (processes in this communicator will now abort,</div>
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*** and potentially your MPI job)</div>
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[ccs0001:248227] Local abort before MPI_INIT completed completed successfully, but am not able to aggregate error messages, and not able to guarantee that all other processes were killed!</div>
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srun: error: ccs0001: task 0: Exited with exit code 1</div>
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I'm not sure where to start. Is any of the above likely to be causing the segmentation fault?</div>
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Thanks, </div>
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Rhiannon.</div>
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