linux-kernel - Re: usb hdd problems with 2.6.27.2

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Message-ID: <20081027165306.GA3875@bit.office.eurotux.com>
Date:	Mon, 27 Oct 2008 16:53:06 +0000
From:	Luciano Rocha <luciano@...otux.com>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	James Bottomley <James.Bottomley@...senPartnership.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux-Kernel <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>,
	SCSI development list <linux-scsi@...r.kernel.org>
Subject: Re: usb hdd problems with 2.6.27.2

On Mon, Oct 27, 2008 at 11:38:13AM -0400, Alan Stern wrote:
> On Mon, 27 Oct 2008, Luciano Rocha wrote:
> 
> > Hm, where in the code can I change it to return less that what it thinks
> > is the last sector?
> 
> I can write a patch to do that for you.  However I'm more interested in 
> solving the "infinite-retry" problem first.
> 
> I did write some patches which might help.  They weren't meant as bug 
> fixes exactly, more as infrastructure cleanup.  But you ought to try 
> them out, because they do affect the logic in this area.
> 
> The patches are here:
> 
> 	http://marc.info/?l=linux-scsi&m=122443015406309&w=2
> 
> They are based on 2.6.27, not 2.6.28-rc.

I've tested them (on 2.6.27.4), but I still get the bug. That email mentions:
"Neither patch addresses the infinite-retry problem; I wanted
to keep the issues separate."

So am I missing some other patch?

2.6.28-rc2 is also buggy.

Thanks,
Luciano Rocha

-- 
Luciano Rocha <luciano@...otux.com>
Eurotux Informática, S.A. <http://www.eurotux.com/>
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