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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: benh@kernel.crashing.org
Subject: Re: ide pmac breakage
Date: Tue, 29 Jul 2008 13:41:14 +0200
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Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>, linux-ide@vger.kernel.org,
	petkovbb@gmail.com, linuxppc-dev@ozlabs.org
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On Tuesday 29 July 2008, Benjamin Herrenschmidt wrote:
> On Tue, 2008-07-29 at 14:17 +0900, FUJITA Tomonori wrote:
> > If q->elevator is NULL, the media-bay code might mess up the ref
> > counting of the request queue...
> 
> Well, all I do is call into Bart's new helpers to scan for or unregister
> devices ...

The switch to these helpers happened _before_ 2.6.26 and it shouldn't bring
such behavior change (ditto for new IDE host addition/removal helpers)...

Please try to git-bisect it when you have some time.

Thanks,
Bart