linux-kernel - Re: Bug in libata

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Message-ID: <48386DFB.2090607@garzik.org>
Date:	Sat, 24 May 2008 15:35:23 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Klaus Ethgen <Klaus@...gen.de>
CC:	linux-kernel@...r.kernel.org,
	Linux IDE mailing list <linux-ide@...r.kernel.org>
Subject: Re: Bug in libata

Klaus Ethgen wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Dear Jeff, dear Kernel developers,
> 
> after several time I decided to update the kernel on my IBM ThinkPad
> T43p to the newest one (2.6.25.4). After doing so my system was unable
> to boot. I always got the following error:
>    ata_piix 000:00:1f.2: failed to request/iomap BARs for port 0 (errno=-16)
> 
> After doing some regressions tests I got the wrong commit. Git commit
> 8cdfb29c0cd8018f92214c11c631d8926f4cb032 which is from Jeff Garzik
> introduce the bug that makes the system unbootable at all.
> 
> As I am not subscribed to the kernel-devel list please hold me in Cc
> about this bug.
> 
> Regards
>    Klaus Ethgen
> 
> Ps. Thanks to Linus for git-bisect. It costs me one day but without it I
> think I had have much longer to find the problematic patch.

This is a configuration problem.  You need to pick one driver or the 
other, not both, as that commit's description indicates.

	Jeff



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