From owner-freebsd-stable@freebsd.org Fri Oct 6 07:37:11 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 57BD2E2F299 for ; Fri, 6 Oct 2017 07:37:11 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: from mail-wm0-x231.google.com (mail-wm0-x231.google.com [IPv6:2a00:1450:400c:c09::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0901672AB4 for ; Fri, 6 Oct 2017 07:37:10 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: by mail-wm0-x231.google.com with SMTP id m72so5918952wmc.1 for ; Fri, 06 Oct 2017 00:37:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=multiplay-co-uk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language; bh=Z3dbkSW+BC9ZXVcao2bcmGKoiAJJz83qYJcqmtpi3ZM=; b=U/7GUsgjalS1QOjCaNUcIREJzP6t8F/l9lOnBHFtPX0Jjzii76a0BzOFMA+t7EGQtz DU1jvUE2wGYo7mch/ZmFkYXwhYVOxj7REYzX2TMIURjTfsdP4FSxnCJabtjTwJvdAqe1 d0WRWMv6ZutFopvBDs6LZcXktSBjmHeZtQw1bcmYh/D8dEDOb9VJpc5p3dc1OL5Jgh4t fDIvj6ulx9Zlee+G1cCLfZonTLsFVTxNPvoR6/duzrT4kaijYoEeG5EZC3btwfC7bFOX gChgX92jpbf8GaTWFwqdi/Poz+4h2L/ngY41H/iCTz9XQHN0+en812wUXkImdCS9eKnj iuew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language; bh=Z3dbkSW+BC9ZXVcao2bcmGKoiAJJz83qYJcqmtpi3ZM=; b=XdI2QEmkS3dpGcPu5hJW9npQSU/3cYCLAMtKUtQqcJfuMnN5sv29RnsZgjBreN+jEH Jelu9tbwDDeAhMhOgc9+kL+4EEeC4SDYVDSjTbpk5OpntvYN/0vCyKKvm0VUYVixTcj6 zIk4PpzeC6DlGuCe5eYiFvxiUIZkoK/TJxAKBS7uXvHsRtHMgh7euEeRL/IrA5lkJ3sO HqH/gwxMjm5NrseimRDzyW7zOVkbbhqzpX9nTf8qlxqL437bRdri/NMhwxGCeO3fpFEB 0rGrujyGe7XrQWj8hGbfxBbSY16WpEEGFoqj9SEM2qVnc7RpRqE8vjCYPfsXQltizMjr 1LZA== X-Gm-Message-State: AMCzsaVDaf75QtYHt+O3IAS3WgJB+IskIR5AJ/Q4kcgu2Xtk8xDCXo5w Hdf5Ti05A5YoeUc53kUkTY1i/yThZ2k= X-Google-Smtp-Source: AOwi7QBrpxdSNPLxharETEoYu3phYWGEQZePXa0CygfXwNzt186iBG49rknGeaEOy4WHsfIbu3JcjQ== X-Received: by 10.80.195.25 with SMTP id a25mr2163406edb.142.1507275428380; Fri, 06 Oct 2017 00:37:08 -0700 (PDT) Received: from [10.10.1.111] ([185.97.61.1]) by smtp.gmail.com with ESMTPSA id l33sm751270edb.47.2017.10.06.00.37.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 06 Oct 2017 00:37:07 -0700 (PDT) Subject: Re: disk errors: CAM status: Uncorrectable parity/CRC error [SOLVED] To: Graham Menhennitt , 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> <844ff9a6-01db-60db-e23d-050c59541b3a@menhennitt.com.au> From: Steven Hartland Message-ID: <0d178f74-b328-1904-3dc2-455fade44659@multiplay.co.uk> Date: Fri, 6 Oct 2017 08:37:07 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <844ff9a6-01db-60db-e23d-050c59541b3a@menhennitt.com.au> Content-Language: en-US Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit 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 07:37:11 -0000 On 06/10/2017 08:32, Graham Menhennitt wrote: > 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 >> >>     Regards >>     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 >>>> > 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 >>>> SATA-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="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) > If that fixes its most likely your cabling is the most likely cause.     Regards     Steve