From owner-freebsd-stable@freebsd.org Fri Oct 6 19:35:37 2017 Return-Path: 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 E10BDE3FDE8 for ; Fri, 6 Oct 2017 19:35:37 +0000 (UTC) (envelope-from graham@menhennitt.com.au) Received: from hapkido.dreamhost.com (hapkido.dreamhost.com [66.33.216.122]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C35F66CEFA for ; Fri, 6 Oct 2017 19:35:37 +0000 (UTC) (envelope-from graham@menhennitt.com.au) Received: from homiemail-a47.g.dreamhost.com (sub5.mail.dreamhost.com [208.113.200.129]) by hapkido.dreamhost.com (Postfix) with ESMTP id 9513A92DFC for ; Fri, 6 Oct 2017 00:32:38 -0700 (PDT) Received: from homiemail-a47.g.dreamhost.com (localhost [127.0.0.1]) by homiemail-a47.g.dreamhost.com (Postfix) with ESMTP id 2089E1B03; Fri, 6 Oct 2017 00:32:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=menhennitt.com.au; h= subject:to:references:from:message-id:date:mime-version :in-reply-to:content-type; s=menhennitt.com.au; bh=I4JPz2FhLMsik fX+uCo20SdPSQg=; b=KA9oMh0AdsUnuMWEffKWhwGZ79aTf1/MFLuU4lnSoog1L UfHQOPI+BVZeb9FhvciZudx4Ugh/CJ8n+HNnFqRyxQn3OVr7fQ9KpBYTbNj8FsfK 6wbe6EhdrOZZRrTdBcViOu5YBs7UHDA04CfxLuYlhYzDEgvhfgIqW3PdHCAMTY= Received: from [203.2.73.68] (c122-107-208-156.mckinn3.vic.optusnet.com.au [122.107.208.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: graham@menhennitt.com.au) by homiemail-a47.g.dreamhost.com (Postfix) with ESMTPSA id 7C2571F3C; Fri, 6 Oct 2017 00:32:31 -0700 (PDT) Subject: Re: disk errors: CAM status: Uncorrectable parity/CRC error [SOLVED] To: Steven Hartland , FreeBSD stable References: <206df4a1-4666-f0db-12e4-ec7958d9f7b3@menhennitt.com.au> <55f57f7d-366c-8e74-7c64-b3534083c026@menhennitt.com.au> <29534c53-1eb2-86e9-d9fd-e263c84639be@multiplay.co.uk> From: Graham Menhennitt Message-ID: <844ff9a6-01db-60db-e23d-050c59541b3a@menhennitt.com.au> Date: Fri, 6 Oct 2017 18:32:29 +1100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <29534c53-1eb2-86e9-d9fd-e263c84639be@multiplay.co.uk> Content-Language: en-US Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Oct 2017 19:35:38 -0000 On 25/09/2017 08:12, Steven Hartland wrote: > Depends on your exact setup, see the ata and ahci man pages e.g. > hint.ahcich.X.sata_rev > hint.ata.X.devX.sata_rev > hint.ata.X.sata_rev > hint.ata.X.devX.mode > hint.ata.X.mode > > =C2=A0=C2=A0=C2=A0 Regards > =C2=A0=C2=A0=C2=A0 Steve > > On 24/09/2017 21:02, Graham Menhennitt wrote: >> On 24/09/2017 20:47, Steven Hartland wrote: >>> Try reducing the disk connection speed down to see if that helps. >>> >>> On Sun, 24 Sep 2017 at 06:49, Graham Menhennitt=20 >>> > wrote: >>> >>> G'day all, >>> >>> I'm setting up a machine running 11-Stable on a PC Engines APU2C >>> board. >>> It has a 16Gb SSD as its first disk (ada0), and a Seagate 2Tb SAT= A-3 >>> disk as its second (ada1). I'm getting lots of read errors on >>> the second >>> disk. They appear on the console as: >>> Thanks for that Steve. And sorry for taking so long to get back to you. In my case, adding: hint.ahcich.1.sata_rev=3D"2" to /boot/device.hints seems to have fixed the problem. My dmesg now says: ada1 at ahcich1 bus 0 scbus1 target 0 lun 0 ada1: ACS-3 ATA SATA 3.x device ada1: Serial Number XXXXX ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ada1: Command Queueing enabled ada1: 1907729MB (3907029168 512 byte sectors) Whereas previously it said: ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) Thanks again, =C2=A0=C2=A0=C2=A0 Graham