linux-kernel - Re: sata_sil, writing bug with multiple cards?

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Date:	Wed, 04 Jul 2007 12:53:30 +0900
From:	Tejun Heo <htejun@...il.com>
To:	7091@...rgh.com
CC:	linux-ide@...r.kernel.org, jgarzik@...ox.com, ak@...e.de,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: sata_sil, writing bug with multiple cards?

7091@...rgh.com wrote:
> Apologies for the chain-replying to myself, just replying as I think of
> things to try.
> 7091@...rgh.com writes:
>> Here's an odd data point. 
>> I just broke that array, formatted all three of those partitions
>> seperately, mounted and did my ISO copy test. 
>> All three drives, run one at a time, function fine.  No corruption.
> 
> Here's another odd one.  I did the following:
> # Mount all 3 drives as individuals...
> mount /dev/sda1 /mnt/a
> mount /dev/sdb1 /mnt/b
> mount /dev/sdc1 /mnt/c
> # Copy the same file to all three drives at the same time
> cp KNOPPIX_V5.1.0CD-2006-12-30-EN.iso a/kn10.iso &
> cp KNOPPIX_V5.1.0CD-2006-12-30-EN.iso b/kn10.iso &
> cp KNOPPIX_V5.1.0CD-2006-12-30-EN.iso c/kn10.iso &
> Got massive corruption.

Hmmm... I don't think this is sata_sil driver bug.  cc'ing Andi Kleen
and lkml.  Andi, the original thread can be read from

http://thread.gmane.org/gmane.linux.ide/20213

Any ideas?

-- 
tejun
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