From owner-freebsd-stable@FreeBSD.ORG Tue Feb 14 18:23:24 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 C08011065670 for ; Tue, 14 Feb 2012 18:23:24 +0000 (UTC) (envelope-from martin@sugioarto.com) Received: from mailserv.regfish.com (mailserv.regfish.com [79.140.61.33]) by mx1.freebsd.org (Postfix) with ESMTP id 197168FC0C for ; Tue, 14 Feb 2012 18:23:23 +0000 (UTC) Received: (qmail 31183 invoked from network); 14 Feb 2012 18:22:23 -0000 Received: from pd9ec0d44.dip0.t-ipconnect.de (HELO yuni.sugioarto.com) (46959-0001@[217.236.13.68]) (envelope-sender ) by mailserv.regfish.com (qmail-ldap-1.03) with SMTP for ; 14 Feb 2012 18:22:23 -0000 Received: from zelda.sugioarto.com (zelda.sugioarto.com [192.168.0.12]) by yuni.sugioarto.com (Postfix) with ESMTP id B72EF1BAC55; Tue, 14 Feb 2012 19:23:20 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=sugioarto.com; s=mail; t=1329243800; bh=+8npegbf7VCl5hV80CQtJvOOsiBy7B6djDegiAfhB9M=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: Mime-Version:Content-Type:Content-Transfer-Encoding; b=jVoZgwDR9OnSPm8jp6oHKP1veVfeYneYQCLq6bBZ0NZl5BQGLAZ9xVyGVrhhrNYq/ 0OQ1yYA53zkSzbg+DCL+6Q96YG1Y36nIn0CjHbFB+KYO3Gdq9cxdJHzSOwkT9ZaS4r Og6Eg48mZCimEHVSkLE+675jIh59/BbGHBz2oMoY= Date: Tue, 14 Feb 2012 19:23:19 +0100 From: Martin Sugioarto To: Harald Schmalzbauer Message-ID: <20120214192319.44ff7aff@zelda.sugioarto.com> In-Reply-To: <4F3A971F.9040407@omnilan.de> References: <20120214091909.GP2010@equilibrium.bsdes.net> <20120214100513.GA94501@icarus.home.lan> <20120214135435.GQ2010@equilibrium.bsdes.net> <20120214141601.GA98986@icarus.home.lan> <4F3A83DE.3000200@ambtec.de> <20120214165029.GA1852@icarus.home.lan> <4F3A971F.9040407@omnilan.de> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.6; amd64-portbld-freebsd9.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org, Jeremy Chadwick , Claudius Herder Subject: Re: problems with AHCI on FreeBSD 8.2 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: Tue, 14 Feb 2012 18:23:24 -0000 Am Tue, 14 Feb 2012 18:17:19 +0100 schrieb Harald Schmalzbauer : > > I find it interesting that, at least so far, the only people > > reporting problems of this type with the ahci.ko driver are people > > using Samsung disks. The only difference is that your models are > > F1s while the OPs are F2s. > > I saw such timeouts long ago and mav@ had a look at my postings and he > mentioned it could be a NCQ problem. > I suspected the disks firmware. > I never tracked it down further, because after replacing the Samsung > (F3 in that case) disks with hitachi ones solved all my problems and > gave a big performance kick as well (with zfs). > You can find the discussion here: > http://lists.freebsd.org/pipermail/freebsd-stable/2010-February/055374.html Hi, I just want to add here that I am using 2 drives of type "Samsung HD103SJ" (SpinPoint F3). And I did not have problems with ZFS and with UFS either (for several years now). Everything has been deployed ontop ada(4) since FreeBSD-8. Actually the speed is very good (sequential read at 140 MB/s and more). -- Martin