From owner-freebsd-questions@FreeBSD.ORG Mon Jul 25 13:13:01 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 23DE8106566C for ; Mon, 25 Jul 2011 13:13:01 +0000 (UTC) (envelope-from ml@netfence.it) Received: from cp-out8.libero.it (cp-out8.libero.it [212.52.84.108]) by mx1.freebsd.org (Postfix) with ESMTP id 9318E8FC1A for ; Mon, 25 Jul 2011 13:13:00 +0000 (UTC) X-CTCH-Spam: Unknown X-CTCH-RefID: str=0001.0A0B020B.4E2D6BDB.0142,ss=1,re=0.000,fgs=0 X-libjamoibt: 1555 Received: from soth.ventu (151.41.129.72) by cp-out8.libero.it (8.5.133) id 4DD2415409D78E5C for freebsd-questions@freebsd.org; Mon, 25 Jul 2011 15:12:59 +0200 Received: from alamar.ventu (alamar.ventu [10.1.2.18]) by soth.ventu (8.14.5/8.14.4) with ESMTP id p6PDCtkX001269 for ; Mon, 25 Jul 2011 15:12:55 +0200 (CEST) (envelope-from ml@netfence.it) Message-ID: <4E2D6BD7.4030500@netfence.it> Date: Mon, 25 Jul 2011 15:12:55 +0200 From: Andrea Venturoli User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; it-IT; rv:1.9.2.18) Gecko/20110711 Thunderbird/3.1.11 MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <4E2CB198.9010601@netfence.it> <4E2CBCAB.1070209@dichotomia.fr> <4e2d77ab.MMEk62U6kU+dlZeX%perryh@pluto.rain.com> In-Reply-To: <4e2d77ab.MMEk62U6kU+dlZeX%perryh@pluto.rain.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.71 on 10.1.2.13 Subject: Re: ATA troubles X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jul 2011 13:13:01 -0000 On 07/25/11 16:03, perryh@pluto.rain.com wrote: > I fixed a similar problem -- involving a VIA 6421 controller -- > a while back, by using atacontrol(8) to reduce the DMA speed > from UDMA133 to UDMA100. Evidently it is possible, under some > circumstances, for a device and controller to negotiate a speed > that's too high to actually work :( I checked and it was already set at UDMA100; I tried UDMA66, but nothing changed. I don't know if this is really effective with SATA... bye & Thanks av.