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Date: Tue, 26 Jun 2018 14:29:19 +0300
From: Konstantin Belousov <kostikbel@gmail.com>
To: Pete French <petefrench@ingresso.co.uk>
Cc: eric@vangyzen.net, mike@sentex.net, truckman@FreeBSD.org, avg@freebsd.org, 
 freebsd-stable@freebsd.org, freebsd@hda3.com
Subject: Re: Ryzen issues on FreeBSD ? (with sort of workaround)
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On Tue, Jun 26, 2018 at 11:31:26AM +0100, Pete French wrote:
> > On 06/18/2018 09:34, Pete French wrote:
> > > Preseumably in the slightly longer term these workarounds go into the
> > > actual kernel if it detects Ryzen ?
> >
> > Yes, Kostik said he would code this into the kernel after he gets enough
> > feedback.
> 
> So, I've been running with the sysctl and cputl fixes from
> https://lists.freebsd.org/pipermail/freebsd-current/2018-June/069799.html
> for a couple of weeks now, with all the default settings back on (including
> SMT) and it now completely stable, so consider this one more point of feedback

If you run without the script, with the same settings, do you experience
problems ?

Also, please show the 100 first lines of the verbose boot dmesg on this
machine.