From owner-freebsd-stable@FreeBSD.ORG Sun Mar 18 18:18:48 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 86F09106566C; Sun, 18 Mar 2012 18:18:48 +0000 (UTC) (envelope-from prvs=142406e4fa=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id E16A78FC0C; Sun, 18 Mar 2012 18:18:47 +0000 (UTC) X-Spam-Processed: mail1.multiplay.co.uk, Sun, 18 Mar 2012 18:18:31 +0000 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-5.0 required=6.0 tests=USER_IN_WHITELIST shortcircuit=ham autolearn=disabled version=3.2.5 Received: from r2d2 ([188.220.16.49]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50018885984.msg; Sun, 18 Mar 2012 18:18:30 +0000 X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=142406e4fa=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: <4EB522A5E2744235B0680BAF97F81862@multiplay.co.uk> From: "Steven Hartland" To: "Dmitry Morozovsky" References: Date: Sun, 18 Mar 2012 18:18:36 -0000 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Cc: mav@freebsd.org, freebsd-stable@freebsd.org Subject: Re: ahci hangs on Supermicro MicroCloud second channel X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Mar 2012 18:18:48 -0000 ----- Original Message ----- From: "Dmitry Morozovsky" > Well, ahci problem solved, but I still have much worse performance (and > different on ada0 and ada1!): > ada0, MC 50-60 MBps > ada1, MC 13-25 MBps > ada*, 5017 130+ MBps > > Could you please post SATA/AHCI BIOS settings from your machines? Thanks a lot! Just AHCI configured as far as I remember. What you mean by MC vs 5017? How are you measuring disk speed? What value do you have for sysctl vfs.read_max? Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.