It’s starting to look like there’s an inherent bug with AMD’s Zen-based chips that is causing issues on Unix-based operating systems, with both Linux and FreeBSD confirmed. The bug doesn’t just affect Ryzen desktop chips, but also AMD’s enterprise EPYC chips. It seems safe to assume that Threadripper will bundle it in, as well.

It’s not

Source: Hot Hardware – FreeBSD Programmers Report Ryzen SMT Bug That Hangs Or Resets Machines