uroni

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  1. uroni
    My guess is you are compiling the software (or a dependency such as crypto++) using the "-march=native" build flag (See PKGBUILD file in Arch AUR). This causes it to use all CPU features of your current build server CPU, for example SSE4. Some have older CPUs that don't support those features, thus the "illegal instruction" faults. CPU flags are e.g. in /proc/cpuinfo (to confirm this is the cause). You'd need to compile it on a old CPU, or without "-march=native".