From owner-freebsd-stable@FreeBSD.ORG Tue Feb 15 22:14:22 2011 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 14F03106566B for ; Tue, 15 Feb 2011 22:14:22 +0000 (UTC) (envelope-from corky1951@comcast.net) Received: from qmta10.emeryville.ca.mail.comcast.net (qmta10.emeryville.ca.mail.comcast.net [76.96.30.17]) by mx1.freebsd.org (Postfix) with ESMTP id ED86A8FC0A for ; Tue, 15 Feb 2011 22:14:21 +0000 (UTC) Received: from omta18.emeryville.ca.mail.comcast.net ([76.96.30.74]) by qmta10.emeryville.ca.mail.comcast.net with comcast id 8Mzh1g0081bwxycAANEMGh; Tue, 15 Feb 2011 22:14:21 +0000 Received: from comcast.net ([98.203.142.76]) by omta18.emeryville.ca.mail.comcast.net with comcast id 8NEJ1g01C1f6R9u8eNEJiS; Tue, 15 Feb 2011 22:14:21 +0000 Received: by comcast.net (sSMTP sendmail emulation); Tue, 15 Feb 2011 14:14:18 -0800 Date: Tue, 15 Feb 2011 14:14:17 -0800 From: Charlie Kester To: freebsd-stable@freebsd.org Message-ID: <20110215221417.GC2049@comcast.net> Mail-Followup-To: freebsd-stable@freebsd.org References: <20110214003704.GA2049@comcast.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20110214003704.GA2049@comcast.net> User-Agent: Mutt/1.4.2.3i X-Mailer: Mutt 1.4.2.3i X-Composer: Vim 7.3 Subject: Re: 8.2-PRERELEASE generating warnings re my hard drive 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, 15 Feb 2011 22:14:22 -0000 On Sun 13 Feb 2011 at 16:37:04 PST Charlie Kester wrote: >I'm running 8-STABLE, i386 architecture, and yesterday I updated to the >latest version with cvsup. > >After installing the kernel and rebooting, I see the following messages on >the console: > >ad4: WARNING - SETFEATURES SET TRANSFER MODE requeued due to channel reset >ad4: interrupt on idle channel ignored >ad4: WARNING - SETFEATURES SET TRANSFER MODE requeued due to channel reset >ad4: interrupt on idle channel ignored > >(repeated several times, and then the following:) > >ad4: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing >request directly ad4: 238475MB at ata2-master >UDMA100 SATA 1.5Gb/s > >(shortly afterwards, I see this:) > >Trying to mount root from ufs:/dev/ad4s1a >ad4: WARNING - READ_DMA requeued due to channel reset LBA=33963227 >ata2: FAILURE - already active DMA on this device >ata2: setting up DMA failed >g_vfs_done():ad4s1f[READ(offset=12103825408, length=2048)]error = 5 >ad4: WARNING - READ_DMA requeued due to channel reset LBA=705199 >ata2: FAILURE - already active DMA on this device >ata2: setting up DMA failed > >(which then repeats many times with different LBA and offset values.) > >Similar messages appear after bootup is completed and I've logged in. >They seem to appear whenever any process accesses the hard drive. > >I reverted back to my previous build of the kernel, dated 3 Feb 2011, >and these messages no longer appear. > >smartctl reports that the drive is running without any errors or >incipient failures. > >So my question is, what's going on here? Is this something I should >worry about? If it's a problem with my kernel config, what parameters >should I be looking at? > >Motherboard: Intel D510MO with builtin IDE controller (NM10). Anyone? If this isn't the best forum for this question, I'd appreciate a redirection.