How to solve`illegal instruction: 4` crash of elixir package

Question

The jaxon elixir package crashes systematically on only one of my two macs even though they are running the same version of MacOS, XCode, clang, erlang and elixir.

Here is the more detailed bug report

How can I investigate this, or what other dependencies can I check to try to resolve this?

Answer 1

Your CPU could not handle the instructions it tries to execute.

Check the CPU model of your "MacPro 5,1", and whether it can handle AVX2 or other optimizations of the compiler.