From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264036AbTKDJv7 (ORCPT ); Tue, 4 Nov 2003 04:51:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264037AbTKDJv6 (ORCPT ); Tue, 4 Nov 2003 04:51:58 -0500 Received: from jaguar.mkp.net ([192.139.46.146]:42881 "EHLO jaguar.mkp.net") by vger.kernel.org with ESMTP id S264036AbTKDJv5 (ORCPT ); Tue, 4 Nov 2003 04:51:57 -0500 To: "Charles Martin" Cc: , Subject: Re: interrupts across PCI bridge(s) not handled References: <000001c3a254$043d88c0$c3507580@atdsputnik> From: Jes Sorensen Date: 04 Nov 2003 04:51:53 -0500 In-Reply-To: <000001c3a254$043d88c0$c3507580@atdsputnik> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Charles" == Charles Martin writes: Charles> They are now getting handled properly, i.e. I am receiveing Charles> interrupts from the boards located in the backplane extender. Charles> This is with 2.4.22. Charles> I didn't realize that ACPI is related to interrupt management Charles> as well as power control. Is there any downside to using Charles> ACPI? Yep it does ;-( IA64 relies exclusively on ACPI for irq routing and on x86 you are seeing more and more hardware that requires it as well, notably Sony laptops such as the R505 series will not see interrupts assigned to their cardbus bridge without ACPI interrupt routing. As for downsides, take a look at the ACPI spec and judge for yourself. I'll refrain from commenting ;-) Cheers, Jes