From owner-freebsd-stable@FreeBSD.ORG Thu Jun 27 21:25:14 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 25621ECE for ; Thu, 27 Jun 2013 21:25:14 +0000 (UTC) (envelope-from dave@jetcafe.org) Received: from nahkohe.jetcafe.org (nahkohe.jetcafe.org [205.147.26.32]) by mx1.freebsd.org (Postfix) with ESMTP id D00FF1F85 for ; Thu, 27 Jun 2013 21:25:13 +0000 (UTC) X-Envelope-To: Received: from [205.147.26.5] (hokkshideh4.jetcafe.org [205.147.26.5]) by nahkohe.jetcafe.org (8.14.2/8.14.2) with ESMTP id r5RLLvlc040173 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 27 Jun 2013 14:21:57 -0700 (PDT) Message-ID: <51CCACF5.5020901@jetcafe.org> Date: Thu, 27 Jun 2013 14:21:57 -0700 From: Dave Hayes User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:16.0) Gecko/20121121 Thunderbird/16.0.2 MIME-Version: 1.0 To: freebsd-stable@freebsd.org Subject: AHCI Patsburg SATA controller and slow transfer speed Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Jun 2013 21:25:14 -0000 Greetings all. I'm on FreeBSD 9.1-STABLE #0 r251391M. I'm noticing two of my SATA disks are at half speed. Is this normal or is there some configuration I'm forgetting? # dmesg | grep -C 4 ahc ... ahci0: port 0x2070-0x2077,0x2060-0x2063,0x2050-0x2057,0x2040-0x2043,0x2020-0x203f mem 0xd0b00000-0xd0b007ff irq 21 at device 31.2 on pci0 ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported ahcich0: at channel 0 on ahci0 ahcich1: at channel 1 on ahci0 ahcich2: at channel 2 on ahci0 ahcich3: at channel 3 on ahci0 ahcich4: at channel 4 on ahci0 ahcich5: at channel 5 on ahci0 ... ada0: ATA-8 SATA 3.x device ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) ada0: Command Queueing enabled ada0: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada0: Previously was known as ad4 ada1 at ahcich1 bus 0 scbus1 target 0 lun 0 ada1: ATA-8 SATA 3.x device ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) ada1: Command Queueing enabled ada1: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada1: Previously was known as ad6 ada2 at ahcich2 bus 0 scbus2 target 0 lun 0 ada2: ATA-8 SATA 3.x device ada2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ^^^^^^^^^ ada2: Command Queueing enabled ada2: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada2: Previously was known as ad8 ada3 at ahcich3 bus 0 scbus3 target 0 lun 0 ada3: ATA-8 SATA 3.x device ada3: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes) ^^^^^^^^^^^ ada3: Command Queueing enabled ada3: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada3: Previously was known as ad10 # pciconf -lcvb ahci0@pci0:0:31:2: class=0x010601 card=0x35ae8086 chip=0x1d028086 rev=0x06 hdr=0x00 vendor = 'Intel Corporation' device = 'Patsburg 6-Port SATA AHCI Controller' class = mass storage subclass = SATA bar [10] = type I/O Port, range 32, base 0x2070, size 8, enabled bar [14] = type I/O Port, range 32, base 0x2060, size 4, enabled bar [18] = type I/O Port, range 32, base 0x2050, size 8, enabled bar [1c] = type I/O Port, range 32, base 0x2040, size 4, enabled bar [20] = type I/O Port, range 32, base 0x2020, size 32, enabled bar [24] = type Memory, range 32, base 0xd0b00000, size 2048, enabled cap 05[80] = MSI supports 1 message enabled with 1 message cap 01[70] = powerspec 3 supports D0 D3 current D0 cap 12[a8] = SATA Index-Data Pair cap 13[b0] = PCI Advanced Features: FLR TP Thanks for any insight provided. -- Dave Hayes - Consultant - Altadena CA, USA - dave@jetcafe.org >>>> *The opinions expressed above are entirely my own* <<<< "The ultimate aim of dancing is to be able to move *without* thinking. To *be* danced." -John Blacking