From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 5/5]: [PCI]: Remove 3 incorrect MSI quirks. Date: Mon, 29 Oct 2007 15:13:48 +0900 Message-ID: <47257A1C.8050206@gmail.com> References: <20071025.011716.123998434.davem@davemloft.net> <9783dadb0710260356g4ef94e3dvadf69d4d263c2361@mail.gmail.com> <20071026.043833.88113848.davem@davemloft.net> <5CAB7B5D6F8AB84AA868A46B47A50705623160@sshaexmb1.amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.183]:34980 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751911AbXJ2GOF (ORCPT ); Mon, 29 Oct 2007 02:14:05 -0400 Received: by wa-out-1112.google.com with SMTP id v27so1977086wah for ; Sun, 28 Oct 2007 23:14:04 -0700 (PDT) In-Reply-To: <5CAB7B5D6F8AB84AA868A46B47A50705623160@sshaexmb1.amd.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Shane Huang Cc: David Miller , david.gaarenstroom@gmail.com, linux-kernel@vger.kernel.org, jeff@garzik.org, barkalow@iabervon.org, linas@austin.ibm.com, gregkh@suse.de, brice.goglin@gmail.com, linux-pci@atrey.karlin.mff.cuni.cz, linux-ide@vger.kernel.org, brice@myri.com, mchan@broadcom.com Shane Huang wrote: >> I would like those to be removed, but to be conservative we should >> first get some testing feedback that confirms this just like those >> provided to me from the AMD folks for the RS690, RX790 and RD580 >> cases. >> >> Otherwise the risk to break people's systems is very real. > > In fact, our team only has boards with RS690+SB700 and RX790+SB700, > I don't know why the RD580 MSI is disabled too by the patch > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commi > t;h=aea6a433f50cd89b9cbd10850fd0b32f961f9883 > Maybe Tejun can give us more information on this case, > I think the cause should be same as RS690 and RX790. I don't remember history of each quirk entry but they're either reported in a bug report and successfully worked around with pci=nomsi or one of AMD guys told me certain PCI IDs share the same problem. I can dig mail archive if you wanna know how it went down for RD580. -- tejun