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To: kostikbel@gmail.com, petefrench@ingresso.co.uk
Subject: Re: Ryzen issues on FreeBSD ? (with sort of workaround)
Cc: avg@freebsd.org, eric@vangyzen.net, freebsd-stable@freebsd.org,
 freebsd@hda3.com, mike@sentex.net, truckman@FreeBSD.org
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From: Pete French <petefrench@ingresso.co.uk>
Date: Sun, 01 Jul 2018 11:15:56 +0100
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> 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.

> According to the revision document, some of the erratas are applicable
> to the Ryzen 2, but I do not want to do the bit tweaking without a
> confirmation.

I was wndeting about that - but I dont have a Ryzen 2 to hand to test
with unfortunately.

Will let you know how the patch goes next week, thanks,

-pete.