Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753336AbYCMGZN (ORCPT ); Thu, 13 Mar 2008 02:25:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751718AbYCMGZA (ORCPT ); Thu, 13 Mar 2008 02:25:00 -0400 Received: from rv-out-0910.google.com ([209.85.198.184]:16743 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751715AbYCMGY7 (ORCPT ); Thu, 13 Mar 2008 02:24:59 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=LEEw6vKW/hJUmcxW0vXmI81nTX0tbrUQRoayfc7OLjsBJP3EtrNyk+ZOZvAwy/Bn/pgMWCRyG9PRLmE70Nau7NBvAnNfRBHOWHxfvutTvZZFd/LOMtI8qK96ofupZlVrJ9KKx1qQ6jl9WbOe5gml2pnLoKGeuSrmCrTW53rCFjg= Message-ID: <86802c440803122324w1de8dee2ud35c20c7a696b6b4@mail.gmail.com> Date: Wed, 12 Mar 2008 23:24:58 -0700 From: "Yinghai Lu" To: "Greg KH" Subject: Re: pcibios_scanned needs to be set in ACPI? (was Re: 2.6.25-rc5: Reported regressions from 2.6.24) Cc: "Linus Torvalds" , "Rafael J. Wysocki" , "Jeff Garzik" , LKML , "Adrian Bunk" , "Andrew Morton" , "Natalie Protasevich" , "Ingo Molnar" , "Len Brown" , "Guennadi Liakhovetski" In-Reply-To: <20080313054400.GA17102@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200803112341.42517.rjw@sisk.pl> <20080312203205.GB17187@kroah.com> <20080312212704.GA16836@kroah.com> <20080312213826.GA17101@kroah.com> <20080312225421.GA24449@kroah.com> <20080313054400.GA17102@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1878 Lines: 54 On Wed, Mar 12, 2008 at 10:44 PM, Greg KH wrote: > On Wed, Mar 12, 2008 at 04:09:17PM -0700, Linus Torvalds wrote: > > > > > > > On Wed, 12 Mar 2008, Greg KH wrote: > > > > > > I can't get a box here to produce both of those PCI: messages myself, > > > and neither can Len, so something is really odd here. > > Ok, stupid me, this was my fault. I was assuming that pci busses would > never be registered multiple times with the pci core. Obviously this > isn't true. The previous patch I proposed was only paying attention to > the PCI devices, and that logic is just fine (it's already protected > when it is attempted to be registered multiple times.) > > So, the patch below fixes the issue for me, and reboot seems to work as > well. > > Guennadi, can you test this out on your machine? > > thanks for your patience, > > greg k-h > > > From: Greg Kroah-Hartman > Subject: PCI: fix issue with busses registering multiple times in sysfs > > PCI busses can be registered multiple times, so we need to detect if we > have registered our bus structure in sysfs already. If so, don't do it > again. > > Thanks to Guennadi Liakhovetski for reporting > the problem, and to Linus for poking me to get me to believe that it was > a real problem. > > Cc: Linus Torvalds > Cc: Guennadi Liakhovetski > > Signed-off-by: Greg Kroah-Hartman wonder if http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-x86.git;a=commitdiff;h=fff07473e243989a2739b9d802d63e051ade7188 helps. YH -- 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/