Hi Ian, This is likely a known CPU issue. You can contact AMD to replace it. https://community.amd.com/thread/215773 https://www.reddit.com/r/Amd/comments/6ubmd1/ryzen_compilation_segfaults_positive_rma/ You can also disable ASLR: sysctl -w security.pax.aslr.enabled=0 or with /etc/sysctl.conf.