From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756105AbYDAHmi (ORCPT ); Tue, 1 Apr 2008 03:42:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752805AbYDAHmb (ORCPT ); Tue, 1 Apr 2008 03:42:31 -0400 Received: from gate.crashing.org ([63.228.1.57]:39473 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752610AbYDAHma (ORCPT ); Tue, 1 Apr 2008 03:42:30 -0400 Subject: Re: nobody cared about IRQ 19 (firewire, on a HP 2510p notebook) From: Benjamin Herrenschmidt Reply-To: benh@kernel.crashing.org To: Thomas Gleixner Cc: Stefan Richter , Martin Michlmayr , linux1394-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Ingo Molnar , "H. Peter Anvin" In-Reply-To: References: <20080321153952.GA26354@deprecation.cyrius.com> <47E3E2CF.5070408@s5r6.in-berlin.de> <47EF757F.9080501@s5r6.in-berlin.de> <20080330161339.GC28821@deprecation.cyrius.com> <47EFD09D.3020906@s5r6.in-berlin.de> Content-Type: text/plain Date: Tue, 01 Apr 2008 18:41:13 +1100 Message-Id: <1207035673.10388.210.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2008-03-30 at 22:10 +0200, Thomas Gleixner wrote: > > I tend to believe it is a problem to be addressed in the x86 > platform support, > > not a driver problem. > > Depends. It might be unfixable. We had a similar bogus interrupt issue on GSI 19 with 965gm chipset on thinkpads recently that ended up being a BIOS issue misconfiguring something deep inside the chipset. We never knew what exactly, except that BIOS updates fixed it. Could be something similar. Ben.