You can't easily avoid this problem, because it occurs in a system library,
not in your own code:
==306851== valgrind: Unrecognised instruction at address 0x6ddf581.
==306851== at 0x6DDF581: opal_pointer_array_construct (in
/opt/openmpi-GCC73/v3.1.x-20181010/lib/libopen-pal.so.40.10.3)
Possibly your least-worst option is to talk with the people who built/
installed OpenMPI on the machine, to see if you can get a build that
doesn't use AVX512 instructions.
J
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