From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761630AbYDUTnI (ORCPT ); Mon, 21 Apr 2008 15:43:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758020AbYDUTm4 (ORCPT ); Mon, 21 Apr 2008 15:42:56 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:54531 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757331AbYDUTmz (ORCPT ); Mon, 21 Apr 2008 15:42:55 -0400 Date: Mon, 21 Apr 2008 21:43:36 +0200 From: Pavel Machek To: Andi Kleen Cc: Jesse Barnes , linux-pci@atrey.karlin.mff.cuni.cz, Jean Delvare , LKML , Tejun Heo , Tom Long Nguyen , Randy Dunlap , Jeff Garzik Subject: Re: PCI MSI breaks when booting with nosmp Message-ID: <20080421194336.GC32278@elf.ucw.cz> References: <200804172140.02311.jdelvare@suse.de> <200804171308.37328.jbarnes@virtuousgeek.org> <200804172225.14373.jdelvare@suse.de> <200804211043.10410.jbarnes@virtuousgeek.org> <87d4oj6o9a.fsf@basil.nowhere.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87d4oj6o9a.fsf@basil.nowhere.org> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 2008-04-21 20:45:05, Andi Kleen wrote: > Jesse Barnes writes: > > > > Ok, I see this too on my desktop machine. It looks like we're not getting > > interrupts setup correctly in the nosmp case. Still digging through to see > > why though... > > NoSMP disables the io-apic and a lot of modern systems don't work > without APIC. Are you sure? I still boot DOS on very recent boxes, and they seem to work. How can PC-compatible machine require an APIC? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html