From owner-freebsd-stable@freebsd.org  Mon Jan 22 22:13:22 2018
Return-Path: <owner-freebsd-stable@freebsd.org>
Delivered-To: freebsd-stable@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 875ADED88C0
 for <freebsd-stable@mailman.ysv.freebsd.org>;
 Mon, 22 Jan 2018 22:13:22 +0000 (UTC)
 (envelope-from truckman@FreeBSD.org)
Received: from mx2.catspoiler.org (mx2.catspoiler.org [IPv6:2607:f740:16::d18])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "amnesiac", Issuer "amnesiac" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id 5E9BC71A14
 for <freebsd-stable@freebsd.org>; Mon, 22 Jan 2018 22:13:22 +0000 (UTC)
 (envelope-from truckman@FreeBSD.org)
Received: from gw.catspoiler.org ([76.212.85.177])
 by mx2.catspoiler.org (8.15.2/8.15.2) with ESMTPS id w0MMDkrG092473
 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL);
 Mon, 22 Jan 2018 22:13:47 GMT (envelope-from truckman@FreeBSD.org)
Received: from mousie.catspoiler.org (mousie.catspoiler.org [192.168.101.2])
 by gw.catspoiler.org (8.15.2/8.15.2) with ESMTPS id w0ML7ZQx092390
 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);
 Mon, 22 Jan 2018 14:13:13 -0800 (PST)
 (envelope-from truckman@FreeBSD.org)
Date: Mon, 22 Jan 2018 14:13:13 -0800 (PST)
From: Don Lewis <truckman@FreeBSD.org>
Subject: Re: Ryzen issues on FreeBSD ?
To: Mike Tancsa <mike@sentex.net>
cc: Peter Moody <freebsd@hda3.com>, Pete French <petefrench@ingresso.co.uk>,
 freebsd-stable@freebsd.org
In-Reply-To: <343acf99-3e9e-093a-7390-c142396c2985@sentex.net>
Message-ID: <tkrat.975666e9f483a6a0@FreeBSD.org>
References: <8e842dec-ade7-37d1-6bd8-856ea1a827ca@sentex.net>
 <tkrat.6d8f44d87e74fa14@FreeBSD.org>
 <795dbb79-3c18-d967-98b9-5d09a740dbfe@sentex.net>
 <CAMgUhpr+5HeBi1MRegs=XoKpdHW8-i+ec0k-DNaL_pcN6PCPKw@mail.gmail.com>
 <tkrat.5ec856810e0c7ced@FreeBSD.org>
 <CAMgUhpqZyCOjqVhMCAi-b_JaKYtyfqDf0pOcX0LwV2dcTuusyg@mail.gmail.com>
 <CAMgUhpqpYpoi1bD9h_SYvh83g_Csky+qMkTsOYZ1zcHYxtMeHg@mail.gmail.com>
 <dd29d77a-deb9-423e-f9b8-cb07387bbfd5@sentex.net>
 <9b769e4e-b098-b294-0bce-8bb1c42e8a59@rootautomation.com>
 <a601973f-9205-8dd9-7f78-a7f03985ab4a@sentex.net>
 <CAMgUhpop3=J7TQimK2iHdGTc=hnTgCEZDqibDSRCyTPMWX5wJQ@mail.gmail.com>
 <CAMgUhpop54hJ+iq_VYYqrEHgSapmMu_GmOPaOsmhA=QbjPEZ5A@mail.gmail.com>
 <CADbMJxk=HDoMsPghDrkTNqsC_XZo28nYPNGC+D9fddENPiiFng@mail.gmail.com>
 <730eb882-1c6a-afb7-0ada-396db44fb34b@ingresso.co.uk>
 <tkrat.8fa97919286143d7@FreeBSD.org>
 <8b882970-4d5d-2a96-4dac-779cab07b9ae@sentex.net>
 <CADbMJxkRR8s1=WWXP+H9eOHv_UWMQrUR=_E4aFw91VCeep82pw@mail.gmail.com>
 <343acf99-3e9e-093a-7390-c142396c2985@sentex.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; CHARSET=us-ascii
Content-Disposition: INLINE
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.25
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: Mon, 22 Jan 2018 22:13:22 -0000

On 22 Jan, Mike Tancsa wrote:
> On 1/22/2018 1:41 PM, Peter Moody wrote:
>> fwiw, I upgraded to 11-STABLE (11.1-STABLE #6 r328223), applied the
>> hw.lower_amd64_sharedpage setting to my loader.conf and got a crash
>> last night following the familiar high load -> idle. this was with SMT
>> re-enabled. no crashdump, so it was the hard crash that I've been
>> getting.
> 
> hw.lower_amd64_sharedpage=1 is the default on AMD boxes no ? I didnt
> need to set mine to 1
> 
>> 
>> shrug, I'm at a loss here.
> 
> I am trying an RMA with AMD.

Something else that you might want to try is 12.0-CURRENT.  There might
be some changes in HEAD that need to be merged back to 11.1-STABLE.