linux-kernel - Re: PCI resources allocation problem on Toshiba Satellite A40

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Message-Id: <200908141935.41529.elendil@planet.nl>
Date:	Fri, 14 Aug 2009 19:35:39 +0200
From:	Frans Pop <elendil@...net.nl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	mano@...rinelk.homelinux.net, rjw@...k.pl, willy@...ux.intel.com,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	akpm@...ux-foundation.org, andrew.patterson@...com
Subject: Re: PCI resources allocation problem on Toshiba Satellite A40

On Friday 14 August 2009, Linus Torvalds wrote:
> So the fact that it "worked" for a few kernels was simply due to a
> kernel bug, where "pci_claim_resource()" incorrectly allowed the
> resource to be inserted into a resource window that wasn't actually its
> parent, and a crazy BIOS that did crazy things, together with a chipset
> where those crazy things just _happened_ to work because of how
> decoding was done.

OK. Thanks for taking a look. I'll happily ignore the error messages from 
now on. Luckily confirmation that things work correctly when faced with 
broken BIOSes can be useful too :-)

Cheers,
FJP
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