From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161818AbXEATUj (ORCPT ); Tue, 1 May 2007 15:20:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161819AbXEATUj (ORCPT ); Tue, 1 May 2007 15:20:39 -0400 Received: from mx2.suse.de ([195.135.220.15]:41800 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161818AbXEATUh (ORCPT ); Tue, 1 May 2007 15:20:37 -0400 Date: Tue, 1 May 2007 21:20:36 +0200 From: Bernhard Walle To: Vivek Goyal Cc: Andrew Morton , linux kernel mailing list Subject: Re: 2.6.21-rc7-mm2 "irqpoll" seems to be broken Message-ID: <20070501192036.GA2117@suse.de> Mail-Followup-To: Vivek Goyal , Andrew Morton , linux kernel mailing list References: <20070426093620.GB2626@in.ibm.com> <20070426082405.67a0fdd2.akpm@linux-foundation.org> <20070430084833.GA16173@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20070430084833.GA16173@in.ibm.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello Vivek, * Vivek Goyal [2007-04-30 10:48]: > > > handle_edge_irq() already makes sure that desc->action is not null, still > note_interrupt() is receiving desc->action as null, that's strange. On my > system this is happening for irq 4 and /proc/interrupt shows that it is > coming from "serial". from reading the code I also cannot this. However, I'm trying to reproduce the problem here. I hope I find a machine where this also happens. Thanks, Bernhard -- SUSE LINUX Products GmbH Tel. +49 (911) 74053-0 Maxfeldstr. 5 GF: Markus Rex 90409 Nürnberg, Germany HRB 16746 (AG Nürnberg) OpenPGP DDAF6454: F61F 34CC 09CA FB82 C9F6 BA4B 8865 3696 DDAF 6454