Messages in this thread | | | From | "Roger Heflin" <> | Subject | RE: ata errors -> read-only root partition. Hardware issue? | Date | Wed, 11 Jan 2006 09:55:01 -0600 |
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> -----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 <jerome.lacoste@gmail.com> wrote: > > On 1/11/06, Alan Cox <alan@lxorguk.ukuu.org.uk> 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
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