From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932986Ab0AFXA1 (ORCPT ); Wed, 6 Jan 2010 18:00:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932187Ab0AFXA0 (ORCPT ); Wed, 6 Jan 2010 18:00:26 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:40960 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932124Ab0AFXAZ (ORCPT ); Wed, 6 Jan 2010 18:00:25 -0500 From: "Rafael J. Wysocki" To: Matthew Garrett Subject: Re: [PATCH 4/12] PCI PM: Make it possible to force using INTx for PCIe PME signaling Date: Thu, 7 Jan 2010 00:00:41 +0100 User-Agent: KMail/1.12.3 (Linux/2.6.33-rc3-rjw; KDE/4.3.3; x86_64; ; ) Cc: Jesse Barnes , Len Brown , LKML , pm list , Alan Stern , ACPI Devel Maling List , Linux PCI , Oliver Neukum , Bjorn Helgaas , Shaohua Li , Francois Romieu References: <200912272057.10443.rjw@sisk.pl> <20100106135625.14b37f10@jbarnes-piketon> <20100106220214.GA25366@srcf.ucam.org> In-Reply-To: <20100106220214.GA25366@srcf.ucam.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201001070000.41807.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 06 January 2010, Matthew Garrett wrote: > On Wed, Jan 06, 2010 at 01:56:25PM -0800, Jesse Barnes wrote: > > > This scares me a little... seems like we're not restoring some state on > > resume that's needed for MSIs to work? Looks fine though. > > Yeah, that was my concern. We debugged this a little on IRC and didn't > get anywhere, though, so probably need to find someone who knows more > about MSIs... I'd rather say someone who knows more about ICH7. :-) MSIs work just fine after resume for the other devices in the same box, so I'd say it's a chipset issue. Rafael