From owner-freebsd-stable@freebsd.org  Tue Jun 26 10:31:29 2018
Return-Path: <owner-freebsd-stable@freebsd.org>
Delivered-To: freebsd-stable@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 89F94101FF3C
 for <freebsd-stable@mailman.ysv.freebsd.org>;
 Tue, 26 Jun 2018 10:31:29 +0000 (UTC)
 (envelope-from petefrench@ingresso.co.uk)
Received: from constantine.ingresso.co.uk (unknown [IPv6:2a02:b90:3002:411::3])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 276E18B14A;
 Tue, 26 Jun 2018 10:31:29 +0000 (UTC)
 (envelope-from petefrench@ingresso.co.uk)
Received: from [2a02:b90:3002:411::6] (helo=dilbert.ingresso.co.uk)
 by constantine.ingresso.co.uk with esmtpsa
 (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89 (FreeBSD))
 (envelope-from <petefrench@ingresso.co.uk>)
 id 1fXlFu-0009Fr-8P; Tue, 26 Jun 2018 10:31:26 +0000
Received: from petefrench by dilbert.ingresso.co.uk with local (Exim 4.91
 (FreeBSD)) (envelope-from <petefrench@ingresso.co.uk>)
 id 1fXlFu-0000rF-3y; Tue, 26 Jun 2018 11:31:26 +0100
To: eric@vangyzen.net, mike@sentex.net, petefrench@ingresso.co.uk,
 truckman@FreeBSD.org
Subject: Re: Ryzen issues on FreeBSD ? (with sort of workaround)
Cc: avg@freebsd.org, freebsd-stable@freebsd.org, freebsd@hda3.com,
 kostikbel@gmail.com
In-Reply-To: <9233bded-3ea2-dc46-19bf-f9a7eef7fa6b@vangyzen.net>
Message-Id: <E1fXlFu-0000rF-3y@dilbert.ingresso.co.uk>
From: Pete French <petefrench@ingresso.co.uk>
Date: Tue, 26 Jun 2018 11:31:26 +0100
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.26
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-stable>, 
 <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 26 Jun 2018 10:31:29 -0000

> 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
for incorporating thois in the the kernel :-)

cheers,

-pete.