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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 16:45:02 +0200
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Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>, linux-ide@vger.kernel.org,
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On Tuesday 29 July 2008, Bartlomiej Zolnierkiewicz wrote:
> On Tuesday 29 July 2008, Benjamin Herrenschmidt wrote:
> > On Tue, 2008-07-29 at 13:41 +0200, Bartlomiej Zolnierkiewicz wrote:
> > > > 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.
> > 
> > Ok, I will. I worked fine when I last tried your patches. I'll see if I
> > can track it down too. Been a bit too busy lately as you can imagine.
> > 
> > Do you have something that exercise the same code path you can use ?
> 
> I'll see if I can reproduce it with IDE warm-plug support later...

OK, I reproduced it here with IDE warm-plug support
(echo -n "1" > /sys/class/ide_port/ide*/delete_devices)
for devices driven by ide-cd.

It is also reproducible under qemu so I'm scripting it
into git-bisect run now...

Thanks,
Bart