Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751509AbWAKPpF (ORCPT ); Wed, 11 Jan 2006 10:45:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751508AbWAKPpF (ORCPT ); Wed, 11 Jan 2006 10:45:05 -0500 Received: from host27-37.discord.birch.net ([65.16.27.37]:20164 "EHLO EXCHG2003.microtech-ks.com") by vger.kernel.org with ESMTP id S1751497AbWAKPpE (ORCPT ); Wed, 11 Jan 2006 10:45:04 -0500 From: "Roger Heflin" To: "'jerome lacoste'" , "'Alan Cox'" Cc: "'Robert Hancock'" , "'linux-kernel'" Subject: RE: ata errors -> read-only root partition. Hardware issue? Date: Wed, 11 Jan 2006 09:55:01 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook, Build 11.0.5510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Thread-Index: AcYWwonrdZsNyJ9xQrmnZUKg+LCeBQABKe+Q In-Reply-To: <5a2cf1f60601110726r46805e1dl784f0a0ca20c128@mail.gmail.com> Message-ID: X-OriginalArrivalTime: 11 Jan 2006 15:38:42.0850 (UTC) FILETIME=[1A13A020:01C616C5] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2183 Lines: 61 > -----Original Message----- > From: linux-kernel-owner@vger.kernel.org > [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of > jerome lacoste > Sent: Wednesday, January 11, 2006 9:26 AM > To: Alan Cox > Cc: Robert Hancock; linux-kernel > Subject: Re: ata errors -> read-only root partition. Hardware issue? > > On 1/11/06, jerome lacoste wrote: > > On 1/11/06, Alan Cox wrote: > > > On Mer, 2006-01-11 at 09:30 +0100, jerome lacoste wrote: > > > > - scan for bad blocks > > > > > > Read the entire disk (write will hide and clean up errors by > > > reallocating) > > > > something like should be sufficient right? > > > > cat /dev/sdax > /dev/null > > I did something slightly different: > > root@manies:~# cat /dev/sda > /dev/null > cat: /dev/sda: Input/output error > > and in dmesg, problems show again: > > ata3: status=0x51 { DriveReady SeekComplete Error } > ata3: error=0x40 { UncorrectableError } > ata3: status=0x51 { DriveReady SeekComplete Error } > ata3: error=0x40 { UncorrectableError } > ata3: status=0x51 { DriveReady SeekComplete Error } > ata3: error=0x40 { UncorrectableError } > ata3: status=0x51 { DriveReady SeekComplete Error } > ata3: error=0x40 { UncorrectableError } > ata3: status=0x51 { DriveReady SeekComplete Error } > ata3: error=0x40 { UncorrectableError } > SCSI error : <2 0 0 0> return code = 0x8000002 > sda: Current: sense key: Medium Error > Additional sense: Unrecovered read error - auto reallocate failed > end_request: I/O error, dev sda, sector 39088832 Buffer I/O > error on device sda, logical block 4886104 > ata3: status=0x51 { DriveReady SeekComplete Error } > ata3: error=0x40 { UncorrectableError } > .... If it is repeatable on the exact same block(s)/sector(s) every time, and it reads lots of other blocks/sectors just fine, it is very unlikely to be anything but a disk error. Roger - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/