linux-kernel - Re: [bug] ata subsystem related crash with latest -git

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Message-ID: <20071018105633.GU5063@kernel.dk>
Date:	Thu, 18 Oct 2007 12:56:33 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Jeff Garzik <jeff@...zik.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [bug] ata subsystem related crash with latest -git

On Thu, Oct 18 2007, Ingo Molnar wrote:
> 
> * Jens Axboe <jens.axboe@...cle.com> wrote:
> 
> > > It would always be nice. For this case I don't think it's very 
> > > interesting, if we pursue the improved sg iteration setup.
> > 
> > BTW, I think it's pretty clear that ata_sg_is_last() is broken. It's 
> > likely a one-off in the n_iter test.
> 
> fixing that would be a -stable candidate, as a potential data corruptor 
> - or is it more benign?

I think it's safe to say that it was sg chaining introduced breakage, so
it should work fine in 2.6.23.x.

-- 
Jens Axboe

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