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Message-ID: <462C441F.1070506@garzik.org>
Date:	Mon, 23 Apr 2007 01:29:03 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	alex=lists-linux-kernel@...iev.com
CC:	linux-kernel@...r.kernel.org
Subject: Re: SATA errors/messages after upgrade to 2.6.20.7

alex=lists-linux-kernel@...iev.com wrote:
> 
> It is a Samsung HD501LJ SATA drive connected to 631xESB/632xESB controller.
> Reading and writing every block of the drive does not generate any other
> errors/failures. This is observed in 2.6.20.7 like a clockwork on any
> badblocks -v run or rebuild of a MD raid1 array onto the disk. 
> 
> It, however, was not observed on 2.6.18 in 182 badblocks -v runs followed by
> rebuild of MD raid1 array.
> 
> Any idea what it might be?
> 
> Apr 23 14:45:34 stdsrv-x86-64bit kernel: ata4.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
> Apr 23 14:45:34 stdsrv-x86-64bit kernel: ata4.00: (irq_stat 0x40000008)
> Apr 23 14:45:34 stdsrv-x86-64bit kernel: ata4.00: cmd 60/80:00:14:16:c4/00:00:05:00:00/40 tag 0 cdb 0x0 data 65536 in
> Apr 23 14:45:34 stdsrv-x86-64bit kernel:          res 51/40:00:40:16:c4/6f:00:05:00:00/40 Emask 0x9 (media error)

Does 'smartctl -d ata -t long /dev/XXXXX' return errors?

Media error is typically just that...

	Jeff



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