From owner-freebsd-questions@FreeBSD.ORG Mon Dec 15 18:32:11 2008 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 64C231065672 for ; Mon, 15 Dec 2008 18:32:11 +0000 (UTC) (envelope-from noc@hdk5.net) Received: from guam10.hdk5.net (guam10.hdk5.net [66.180.132.235]) by mx1.freebsd.org (Postfix) with ESMTP id 39C1C8FC08 for ; Mon, 15 Dec 2008 18:32:11 +0000 (UTC) (envelope-from noc@hdk5.net) Received: from mohawk7.intra.net (unknown [66.180.149.18]) by guam10.hdk5.net (Postfix) with ESMTP id 793235C22; Mon, 15 Dec 2008 08:36:36 -1000 (HST) Message-ID: <4946A2AA.5020903@hdk5.net> Date: Mon, 15 Dec 2008 08:32:10 -1000 From: Al Plant User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.11) Gecko/20071128 FreeBSD/i386 SeaMonkey/1.1.7 MIME-Version: 1.0 To: Wojciech Puchar References: <49453A7A.1030701@highperformance.net> <20081214231618.Q50235@wojtek.tensor.gdynia.pl> In-Reply-To: <20081214231618.Q50235@wojtek.tensor.gdynia.pl> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "Jason C. Wells" , freebsd general questions Subject: Re: Disk Errors 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, 15 Dec 2008 18:32:11 -0000 Wojciech Puchar wrote: >> ad2: FAILURE - READ_DMA timed out LBA=0 >> ad2: TIMEOUT - READ_DMA retrying (1 retry left) LBA=1 >> ad2: TIMEOUT - READ_DMA retrying (0 retries left) LBA=1 >> >> The flash drive is detected with 3940272 sectors. Is there a way to >> control the LBA= parameter? Does it matter if I try? > no. > >> >> How can I control the number of retries? >> >> I read that FreeBSD doesn't use the BIOS at least for CHS. Does >> FreeBSD use the BIOS for PIO and UDMA modes? > no. > > try disabling dma with > > set hw.ata.ata_dma=0 > > bootloader command > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" > Aloha, Wojciech, could be on the right track. I have recently had to do this on several different FreeBSd server boxes to stop these errors. Both current FreeBSD 7 and 8 have done this. Hardware didnt seem to matter. ~Al Plant - Honolulu, Hawaii - Phone: 808-284-2740 + http://hawaiidakine.com + http://freebsdinfo.org + + http://aloha50.net - Supporting - FreeBSD 6.* - 7.* - 8.* + < email: noc@hdk5.net > "All that's really worth doing is what we do for others."- Lewis Carrol