From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932446AbWAKSZ4 (ORCPT ); Wed, 11 Jan 2006 13:25:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932450AbWAKSZ4 (ORCPT ); Wed, 11 Jan 2006 13:25:56 -0500 Received: from smtp.osdl.org ([65.172.181.4]:22682 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932446AbWAKSZz (ORCPT ); Wed, 11 Jan 2006 13:25:55 -0500 Date: Wed, 11 Jan 2006 10:25:36 -0800 From: Andrew Morton To: Nils Rennebarth Cc: linux-kernel@vger.kernel.org Subject: Re: e100 in 2.6.15 fails unless irqpoll ist used Message-Id: <20060111102536.5d91fd92.akpm@osdl.org> In-Reply-To: <43C50ED4.3090707@packetalarm.com> References: <43C50ED4.3090707@packetalarm.com> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Nils Rennebarth wrote: > > An upgrade from 2.6.14.3 to 2.6.15 on my testmachine disabled my network cards: > no packets are sent or received. > > There is the following in dmesg: > > usbcore: registered new driver usbfs > usbcore: registered new driver hub > USB Universal Host Controller Interface driver v2.3 > irq 11: nobody cared (try booting with the "irqpoll" option) > [] __report_bad_irq+0x31/0x77 > [] note_interrupt+0x75/0x99 > [] __do_IRQ+0x65/0x91 > ... > > Rebooting with irqpoll will make the network cards work. The above message will > appeare nonetheless. This means that your IRQ routing broke and the card's interrupt requests are not getting through. This is likely to be an ACPI regression. Please raise a report at bugzilla.kernel.org, generate full `dmesg -s 1000000' output for both 2.6.14.3 and for 2.6.15 and attach them to the report, thanks.