From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH] pci-quirks: disable MSI on RS400-200 and RS480, take #2 Date: Wed, 09 May 2007 17:50:52 +0200 Message-ID: <4641EDDC.1020102@gmail.com> References: <4641BD26.1020501@gmail.com> <4641EAA5.4030409@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from py-out-1112.google.com ([64.233.166.182]:16222 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755969AbXEIPvE (ORCPT ); Wed, 9 May 2007 11:51:04 -0400 Received: by py-out-1112.google.com with SMTP id a29so201575pyi for ; Wed, 09 May 2007 08:51:03 -0700 (PDT) In-Reply-To: <4641EAA5.4030409@redhat.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Chuck Ebbert Cc: Greg K-H , Jeff Garzik , linux-kernel , IDE/ATA development list , =?ISO-8859-1?Q?Mat=ED=ADas_Alejandro_Torres?= Chuck Ebbert wrote: > Tejun Heo wrote: >> MSI doesn't work on RS400-200 and RS480 requiring pci=nomsi kernel >> boot parameter for ahci to work. This patch renames quirk_svw_msi() >> to quirk_disable_all_msi() and use it to disable MSI on those chips. >> >> http://thread.gmane.org/gmane.linux.ide/17820 >> http://thread.gmane.org/gmane.linux.ide/17516 >> https://bugzilla.novell.com/show_bug.cgi?id=263893 >> > > FWIW several distros have turned off MSI by default and added > a "pci=msi" option to enable it. Yeah, it seem to cause a lot of problems on certain chips but I think the correct path is to add PCI quirks for those. Most MSI problems I've seen are on these ATI chips. Do you happen to know any other? Thanks. -- tejun