linux-kernel - Re: [PATCH RFT 7/7] firewire: sbp2: add workarounds for 2nd and 3rd generation iPods

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Message-Id: <200901301016.05012.jarod@redhat.com>
Date:	Fri, 30 Jan 2009 10:16:04 -0500
From:	Jarod Wilson <jarod@...hat.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	linux1394-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	Kristian Høgsberg <krh@...planet.net>
Subject: Re: [PATCH RFT 7/7] firewire: sbp2: add workarounds for 2nd and 3rd generation iPods

On Thursday 29 January 2009 16:28:57 Stefan Richter wrote:
> Alan Stern wrote:
> > On Thu, 29 Jan 2009, Stefan Richter wrote:
> >> Obviously they changed something in Ubuntu 8.10 which suddenly made 3rd
> >> gen iPods vulnerable too.  If the report is accurate, then this is /not/
> >> the READ CAPACITY 10 issue where device's capacity report is off by one.
> >> (The reported capacity without workaround is an even number and thus
> >> possibly correct.)
> > 
> > Don't make that assumption.  One of the small number of devices which 
> > really did have an odd number of sectors was an early iPod.
> 
> Ah, interesting.
> 
> (Jarod, didn't you see OS X report the same size on that 3rd gen. iPod
> as Linux without quirk flag, or did I dream this?  In any case this
> could of course simply mean that OS X uses a wrongly reported size...)

I don't think I looked at the 3rd-gen iPod's reported size under OS X,
the place I saw OS X size matching Linux size sans-quirk-flag was with
a 20GB 4th-gen iPod. I can certainly check the 3rd-gen too though.


-- 
Jarod Wilson
jarod@...hat.com
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