From owner-freebsd-questions@FreeBSD.ORG Thu Apr 7 13:48:12 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8CE8116A4CE for ; Thu, 7 Apr 2005 13:48:12 +0000 (GMT) Received: from mail24.sea5.speakeasy.net (mail24.sea5.speakeasy.net [69.17.117.26]) by mx1.FreeBSD.org (Postfix) with ESMTP id 53BEC43D55 for ; Thu, 7 Apr 2005 13:48:12 +0000 (GMT) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: (qmail 17520 invoked from network); 7 Apr 2005 13:48:12 -0000 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail24.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 7 Apr 2005 13:48:11 -0000 Received: by be-well.ilk.org (Postfix, from userid 1147) id 5806C52; Thu, 7 Apr 2005 09:48:11 -0400 (EDT) Sender: lowell@be-well.ilk.org To: Warren References: <200504062326.05136.shinjii@virusinfo.rdksupportinc.com> From: Lowell Gilbert Date: 07 Apr 2005 09:48:11 -0400 In-Reply-To: <200504062326.05136.shinjii@virusinfo.rdksupportinc.com> Message-ID: <44oecqn1es.fsf@be-well.ilk.org> Lines: 30 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-questions@freebsd.org Subject: Re: ad* read errors X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Apr 2005 13:48:12 -0000 Warren writes: > since i updated the ports/src/kernel 2 days ago i have had the followings > error splague me .. are these related or am i looking at hdd failure ? > ======================== > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=1519103 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=5266559 > ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=5266559 > ad0: FAILURE - READ_DMA timed out > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=15383527 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=1484415 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=25769279 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=5126031 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=25089095 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=26332807 > ad0: TIMEOUT - READ_DMA retrying (1 retry left) LBA=26332807 > ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=115046303 > ad1: TIMEOUT - READ_DMA retrying (2 retries left) LBA=189786975 It could well be disk failure, but check a couple of simpler things first. Number 1, make sure that you have turned on automatic sector remapping on that disk. How you do that can vary by disk manufacturer, but see the FAQ entry on bad block remapping. Number 2 is to get a new disk cable; cable problems are at least as common as disk failures in my experience, and it's *really* annoying to replace a disk and find that the problem wasn't the disk in the first place. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/