From owner-freebsd-stable@freebsd.org Wed Jan 24 13:28:12 2018 Return-Path: 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 5226FED3F51 for ; Wed, 24 Jan 2018 13:28:12 +0000 (UTC) (envelope-from michaelp@bsquare.com) Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0129.outbound.protection.outlook.com [104.47.42.129]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (Client CN "mail.protection.outlook.com", Issuer "Microsoft IT TLS CA 4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8568A892E7 for ; Wed, 24 Jan 2018 13:28:11 +0000 (UTC) (envelope-from michaelp@bsquare.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=BsquareO365.onmicrosoft.com; s=selector1-bsquare-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=rXy9n659Y0711/aBPcoRDr+KWGczElcgVDRhEqE5vOU=; b=Jfy1lX7+l3OWZcPgSqB64YNV3wENW02SERxLYPs8NbLkCfh66/MYOlV4rWofNXgUDhGrC9P/ccnItBZAETXQ9ckgylPJ3faXNMC8PD3trSn6xBluDbdeipUbO6OJ9TRqiXN1dxL4zK2tUwfiB6PoYrUmPsw3VS5JJ6zCEBhG7/c= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=michaelp@bsquare.com; Received: from [10.150.16.65] (82.33.218.74) by BN6PR1301MB2018.namprd13.prod.outlook.com (10.174.89.154) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.444.5; Wed, 24 Jan 2018 13:28:08 +0000 Subject: Re: Ryzen issues on FreeBSD ? Cc: freebsd-stable@freebsd.org References: <8e842dec-ade7-37d1-6bd8-856ea1a827ca@sentex.net> <2c6ce4dd-f43c-7c40-abc2-732d6f8996ec@sentex.net> <795dbb79-3c18-d967-98b9-5d09a740dbfe@sentex.net> <9b769e4e-b098-b294-0bce-8bb1c42e8a59@rootautomation.com> <508a8c83-a449-3c5d-c3bf-b308d91c80c0@bsquare.com> From: Mike Pumford Message-ID: <7878977a-0340-9659-5c2f-12c67120facf@bsquare.com> Date: Wed, 24 Jan 2018 13:27:59 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 8bit X-Originating-IP: [82.33.218.74] X-ClientProxiedBy: VI1PR07CA0149.eurprd07.prod.outlook.com (10.170.235.36) To BN6PR1301MB2018.namprd13.prod.outlook.com (10.174.89.154) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: c469772a-6d46-42d7-ea4b-08d5632e4f51 X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(7020095)(4652020)(7021125)(4534165)(7022125)(4603075)(4627221)(201702281549075)(7048125)(7024125)(7027125)(7028125)(7023125)(5600026)(4604075)(2017052603307)(7153060)(7193020); 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The motherboard claims to support all speeds. > > This RAM is supposed to be DDR4-2400, but if it keeps things happy, I'll > run it at 2133. > > [1] https://www.kingston.com/us/memory/ddr4 > Seems you are right. Its possible at least one of my systems is a DDR3 one then as the reading I did at the time said that 2133 was the max. I'll recheck my systems and double check what they actually are. ;) I do know that I tried the faster than default memory profiles on both and it introduced instability that went away when I went back to the standard profile. I've done BIOS updates since then so its worth me checking that again anyway. Mike -- Mike Pumford | Senior Software Engineer T: +44 (0) 1225 710635 BSQUARE - The business of IoT www.bsquare.com