Ryzen issues on FreeBSD ? (with sort of workaround)

[Konstantin Belousov]

On Sun, Jul 01, 2018 at 11:15:56AM +0100, Pete French wrote:
> > This should be the kernel patch equivalent to the script.
> 
> Ah, thankyou. I shall give this a try on tuesday when I am
> physically back in front of the machine. I have been trying without
> the oath as you asked by the way, and with the latest microcode
> update (0x8001137) it also seems stable, without these tweaks. But I
> havent stressed it too much - if the errata says to set the bits then
> we should set the bits.

It is very likely that the latest microcode sets the chicken bits for the
known erratas already.  AFAIK, this is the best that a ucode update
can typically do anyway.