Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755325AbYH3TZ0 (ORCPT ); Sat, 30 Aug 2008 15:25:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752928AbYH3TZM (ORCPT ); Sat, 30 Aug 2008 15:25:12 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:57594 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752898AbYH3TZL (ORCPT ); Sat, 30 Aug 2008 15:25:11 -0400 From: "Rafael J. Wysocki" To: Linus Torvalds Subject: Re: Linux 2.6.27-rc5: System boot regression caused by commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd Date: Sat, 30 Aug 2008 21:29:23 +0200 User-Agent: KMail/1.9.9 Cc: Yinghai Lu , Linux Kernel Mailing List , Jeff Garzik , Tejun Heo , Ingo Molnar , David Witbrodt , Andrew Morton , Kernel Testers References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200808302129.24584.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1644 Lines: 42 On Saturday, 30 of August 2008, Linus Torvalds wrote: > > On Sat, 30 Aug 2008, Linus Torvalds wrote: > > > > We simply shouldn't try to compare the BAR start with randomly chosen > > things. > > Btw, looking at that bogus BAR#3 some more: I don't actually think it's > even an MCFG resource. > > I think it's literally the resource that describes the HT window for the > host bridge. So it's literally like the "root" resource - all external > MMIO resources that go over HT have to be in that window. > > IOW, I'm starting to think that it's not even broken. It is probably > perfectly real. It's not a "PCI bridge" in the sense that it doesn't > bridge one PCI bus to another, but it's a host bridge, and it bridges the > CPU memory accesses to another bus. > > The fact that the MCFG area happens to be at the start of that window is > probably just a random detail. > > Does anybody know how to find chipset docs for AMD/ATI chipsets? I find > CPU docs, and the GPU docs, but not the 790 chipset docs anywhere (yeah, > it looks promising with a link that says "AMD 790FX Chipset > Specifications", but the link just takes you to some trivial overview, not > any actual specs. > > Anybody? There are some at: http://www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_739_15137,00.html Well, that's 690/SB600 only and I'm not sure how useful this is. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/