From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756172AbYCaBH1 (ORCPT ); Sun, 30 Mar 2008 21:07:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754649AbYCaBHR (ORCPT ); Sun, 30 Mar 2008 21:07:17 -0400 Received: from mx1.redhat.com ([66.187.233.31]:36904 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754422AbYCaBHP (ORCPT ); Sun, 30 Mar 2008 21:07:15 -0400 From: Jarod Wilson Organization: Red Hat, Inc. To: linux1394-devel@lists.sourceforge.net Subject: Re: nobody cared about IRQ 19 (firewire, on a HP 2510p notebook) Date: Sun, 30 Mar 2008 21:06:41 -0400 User-Agent: KMail/1.9.9 Cc: Stefan Richter , Martin Michlmayr , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, "H. Peter Anvin" References: <20080321153952.GA26354@deprecation.cyrius.com> <20080330161339.GC28821@deprecation.cyrius.com> <47EFD09D.3020906@s5r6.in-berlin.de> In-Reply-To: <47EFD09D.3020906@s5r6.in-berlin.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200803302106.42624.jwilson@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sunday 30 March 2008 01:40:45 pm Stefan Richter wrote: > Martin Michlmayr wrote: > > * Stefan Richter [2008-03-30 13:11]: > >> Martin, please check whether the same happens if you disable > >> firewire-ohci in the kernel config (or blacklist it in the modprobe > >> config) and use the ohci1394 driver instead. > > > > Yes, I get essentially the same message with the ohci1394 driver: > > > > [ 895.455783] irq 19: nobody cared (try booting with the "irqpoll" > > option) [ 895.455783] Pid: 0, comm: swapper Not tainted 2.6.25-rc7-amd64 > > #1 [ 895.455783] > > [ 895.455783] Call Trace: > > [ 895.455783] [] > > :ohci1394:ohci_irq_handler+0x4b/0x76e [ 895.455783] > > [] __report_bad_irq+0x30/0x72 > > [ 895.455783] [] note_interrupt+0x1fd/0x23f > > [ 895.455783] [] handle_fasteoi_irq+0xa5/0xc8 > > [ 895.455783] [] do_IRQ+0x6d/0xd9 > > [ 895.455783] [] ret_from_intr+0x0/0x19 > > [ 895.455783] [] menu_reflect+0x0/0x75 > > [ 895.455783] [] > > :processor:acpi_idle_enter_simple+0x18d/0x1fe [ 895.455783] > > [] cpuidle_idle_call+0x7a/0xb3 [ 895.455783] > > [] cpuidle_idle_call+0x0/0xb3 > > [ 895.455783] [] cpu_idle+0xa9/0xd3 > > [ 895.455783] > > [ 895.455783] handlers: > > [ 895.455783] [] (ohci_irq_handler+0x0/0x76e > > [ohci1394]) [ 895.455783] Disabling IRQ #19 > > > > dmesg is attached. > > Thanks. > > I tend to believe it is a problem to be addressed in the x86 platform > support, not a driver problem. > > I Cc'd some random x86 folk... To rehash the issue: > > - Controller: Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 04) > Board: PM965/GM965/GL960 based > The R5C832 is known to work with ohci1394 according to > http://hardware4linux.info/component/14348/ and other reports. Its also known to work with the juju firewire stack -- that's the controller in my own laptop, as well as a few other folks here in the office, all running the new stack. -- Jarod Wilson jwilson@redhat.com