Explanation of the "Newer Linux distros don't boot on 3000 CPUs" issue:

- broke their instruction even more (!) in new CPUs (WTF?)

- has a patch but hasn't rolled a stable release since it went in (April), so most newer distros (even Arch) never picked it up

Older Linux distributions (e.g. 18.04 LTS) are safe, only systemd 240/241/242 use RDRAND

10 is not affected, devs manually applied the RDRAND patch shortly before release


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