Re: SATA 3112 errors on 2.6.7

[George Georgalis <george@galis.org>]

On Sat, Jun 19, 2004 at 10:10:05PM +0200, R. J. Wysocki wrote:
>Apparently, we have:
>1) A serious error condition that occurs on Seagate SATA drives connected to 
>Silicon Image controllers.
>2) As of today we can say that it only occurs on Seagate drives (Ricky, do I 
>remember correctly that you see faulty behavior of such drives with a 3ware 
>RAID?).
>3) The error is reported by the kernel like that:
>
>ata1: DMA timeout, stat 0x1
>ATA: abnormal status 0x58 on port 0xCF819087
>scsi0: ERROR on channel 0, id 0, lun 0, CDB: Read (10) 00 00 03 ca 47 00 00 00 
>00
>Current sda: sense key Medium Error
>Additional sense: Unrecovered read error - auto reallocate failed
>end_request: I/O error, dev sda, sector 248391
>
>Afterwards, the drive blocks its SATA bus in a "busy" mode and cannot be 
>accessed by any means (ie. hardware reset is necessary).
>4) The most "reliable" way to trigger this condition is to copy a lot of data 
>(eg. 2 GB) to the drive in one shot.

I can't speak for other hardware. Sounds the same for me though,
accept I'm not getting any error from console or /proc/kmsg...
http://marc.theaimsgroup.com/?l=linux-kernel&m=108792673031602&w=2

running hdparm -Tt in a loop doesn't cause any problem.

// George

-- 
George Georgalis, Architect and administrator, Linux services. IXOYE
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