Ryzen issues on FreeBSD ? (with sort of workaround)

[Pete French]

On 03/07/2018 11:09, Konstantin Belousov wrote:
> On Tue, Jul 03, 2018 at 10:27:06AM +0100, Pete French wrote:
>>
>>> 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.
>>>
>>
>> I just did some testing - it does do these bits:
> By 'it' you mean the microcode update/BIOS on your board ?

Yes, sorry. As I was testing without the patch I looked to see what the 
values were that it had set.

I may have got my hex wrong on the last two though I have to say - it 
may be setting all four bits.

-pete.