From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:63559 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753897Ab1KOXHy (ORCPT ); Tue, 15 Nov 2011 18:07:54 -0500 Message-ID: <4EC2F0C7.9040804@redhat.com> Date: Tue, 15 Nov 2011 18:07:51 -0500 From: Don Dutile MIME-Version: 1.0 To: James Paradis CC: Bjorn Helgaas , Prarit Bhargava , linux-pci@vger.kernel.org, mstowe@redhat.com, matthew wilcox , jbarnes@virtuousgeek.org, Matthew Wilcox Subject: Re: [PATCH] pci: Workaround Stratus broken PCIE hierarchy References: <7913c5e8-ea95-4f6f-aa21-33b84e8b931f@zmail15.collab.prod.int.phx2.redhat.com> In-Reply-To: <7913c5e8-ea95-4f6f-aa21-33b84e8b931f@zmail15.collab.prod.int.phx2.redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-pci-owner@vger.kernel.org List-ID: On 11/15/2011 05:27 PM, James Paradis wrote: > > BTW - for everyone's edification, here is a report on fedoraforum.org > that looks suspiciously like the same problem we're dealing with: > > http://forums.fedoraforum.org/showthread.php?t=255025 > > The mobo worked with F13, broke with F14, nothing he did seemed to > bring the keyboard back, ended up fixing it by getting another > brand of motherboard. I'm going to see if I can find a copy of > that motherboard for testing... > > --jim > No, the original mobo worked on F13; new mobo broken on f13 & f14. It sounds like an intr-rewiring problem; note, that he got it booted once, (in the thread) and it took 30mins to do so. > ----- Original Message ----- >> On Fri, Nov 11, 2011 at 12:13 PM, Don Dutile >> wrote: >>> On 11/11/2011 12:41 PM, James Paradis wrote: >>>> >>>> Hmmm... would it be better to do this as a quirk or as a boot >>>> parameter? I've heard reports that other systems may be running >>> >>> Hearsay? if you have definite cases, then please share them, >>> so folks know when to flip the boot parameter on. note: it would >>> have to be >>> an early boot param as well. >> >> It'd definitely be good to know all the specific cases. >> >> But merely sharing them so folks will know when to use the parameter >> is a broken model. We should make it work automatically, either with >> some sort of machine-dependent quirk, or (preferably) with a change >> to >> the generic algorithm so it can handle these "broken" topologies >> along >> with all the correct ones. >> >> Bjorn >>