--------------------------------------------------------------------------
By default, for Open MPI 4.0 and later, infiniband ports on a device
are not used by default.  The intent is to use UCX for these devices.
You can override this policy by setting the btl_openib_allow_ib MCA parameter
to true.

  Local host:              c026
  Local adapter:           mlx5_0
  Local port:              1

--------------------------------------------------------------------------
--------------------------------------------------------------------------
WARNING: There was an error initializing an OpenFabrics device.

  Local host:   c026
  Local device: mlx5_0
--------------------------------------------------------------------------
[c026:3578873] *** Process received signal ***
[c026:3578873] Signal: Segmentation fault (11)
[c026:3578873] Signal code: Address not mapped (1)
[c026:3578873] Failing at address: 0x30a2010
[c026:3578873] [ 0] /lib/x86_64-linux-gnu/libc.so.6(+0x43090)[0x7fa6f879d090]
[c026:3578873] [ 1] /lib/x86_64-linux-gnu/libc.so.6(__libc_fork+0x16d)[0x7fa6f883d05d]
[c026:3578873] [ 2] python3[0x64d270]
[c026:3578873] [ 3] python3(PyCFunction_Call+0xfa)[0x5d553a]
[c026:3578873] [ 4] python3(_PyObject_MakeTpCall+0x296)[0x5d6066]
[c026:3578873] [ 5] python3(_PyEval_EvalFrameDefault+0x6329)[0x54ce69]
[c026:3578873] [ 6] python3(_PyEval_EvalCodeWithName+0x26a)[0x54552a]
[c026:3578873] [ 7] python3(_PyFunction_Vectorcall+0x393)[0x5d5a23]
[c026:3578873] [ 8] python3(_PyEval_EvalFrameDefault+0x907)[0x547447]
[c026:3578873] [ 9] python3(_PyEval_EvalCodeWithName+0x26a)[0x54552a]
[c026:3578873] [10] python3(_PyFunction_Vectorcall+0x393)[0x5d5a23]
[c026:3578873] [11] python3[0x579a10]
[c026:3578873] [12] python3[0x5847f7]
[c026:3578873] [13] python3(PyObject_Call+0x25e)[0x5d4e0e]
[c026:3578873] [14] python3(_PyEval_EvalFrameDefault+0x1f26)[0x548a66]
[c026:3578873] [15] python3(_PyEval_EvalCodeWithName+0x26a)[0x54552a]
[c026:3578873] [16] python3(_PyFunction_Vectorcall+0x393)[0x5d5a23]
[c026:3578873] [17] python3(PyObject_Call+0x62)[0x5d4c12]
[c026:3578873] [18] python3(_PyEval_EvalFrameDefault+0x1f26)[0x548a66]
[c026:3578873] [19] python3(_PyEval_EvalCodeWithName+0x26a)[0x54552a]
[c026:3578873] [20] python3(_PyFunction_Vectorcall+0x393)[0x5d5a23]
[c026:3578873] [21] python3(_PyEval_EvalFrameDefault+0x1876)[0x5483b6]
[c026:3578873] [22] python3(_PyEval_EvalCodeWithName+0x26a)[0x54552a]
[c026:3578873] [23] python3(_PyFunction_Vectorcall+0x393)[0x5d5a23]
[c026:3578873] [24] python3(_PyEval_EvalFrameDefault+0x907)[0x547447]
[c026:3578873] [25] python3(_PyEval_EvalCodeWithName+0x26a)[0x54552a]
[c026:3578873] [26] python3(_PyFunction_Vectorcall+0x393)[0x5d5a23]
[c026:3578873] [27] python3(_PyEval_EvalFrameDefault+0x907)[0x547447]
[c026:3578873] [28] python3(_PyFunction_Vectorcall+0x1b6)[0x5d5846]
[c026:3578873] [29] python3(_PyEval_EvalFrameDefault+0x725)[0x547265]
[c026:3578873] *** End of error message ***
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/dist-packages/crystal_genome_util/aflow_util.py", line 267, in aflow_command
    return subprocess.check_output(cmd_str, shell=True, stderr=subprocess.PIPE,encoding="utf-8")
  File "/usr/lib/python3.8/subprocess.py", line 415, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
  File "/usr/lib/python3.8/subprocess.py", line 516, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command 'aflow --np=1 --compare_materials -D compare --no_scale_volume --screen_only --quiet --print=json' died with <Signals.SIGSEGV: 11>.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "../../td/EquilibriumCrystalStructure__TD_457028483760_002/runner", line 170, in <module>
    find_unique_materials_and_write_properties(COMPARE_DIR, prototype_label, energy_per_atom, species)
  File "/usr/local/lib/python3.8/dist-packages/crystal_genome_util/property_util/equilibrium_crystal_structure.py", line 201, in find_unique_materials_and_write_properties
    comparison=aflow.compare_materials_dir(compare_dir)
  File "/usr/local/lib/python3.8/dist-packages/crystal_genome_util/aflow_util.py", line 309, in compare_materials_dir
    output=self.aflow_command([
  File "/usr/local/lib/python3.8/dist-packages/crystal_genome_util/aflow_util.py", line 272, in aflow_command
    raise RuntimeError("ERROR: unexpected error from aflow command %s , error code = %d\nstderr: %s" % (cmd_str, exc.returncode, exc.stderr))
RuntimeError: ERROR: unexpected error from aflow command aflow --np=1 --compare_materials -D compare --no_scale_volume --screen_only --quiet --print=json , error code = -11
stderr: 
Command exited with non-zero status 1

{"realtime":4053.80,"usertime":4795.24,"systime":22762.88,"memmax":327952,"memavg":0}