From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: IRQ "nobody cared...Disabling" errors on linux-3.0.10-rt27 on SMP AMD64 system Date: Wed, 7 Dec 2011 01:32:15 +0100 (CET) Message-ID: References: <1322691017.24563.9.camel@frodo> <4ED9EEB2.6070401@ripples.dyndns.org> <4EDAAEFD.9060209@ripples.dyndns.org> <4EDCC978.3060401@cedwards.geek.nz> <20111205181450.GK7834@aftab> <4EDD8314.3060904@cedwards.geek.nz> <20111206111703.GB17926@aftab> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Chris Edwards , Steven Rostedt , linux-rt-users To: Borislav Petkov Return-path: Received: from www.linutronix.de ([62.245.132.108]:34395 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753959Ab1LGAcZ (ORCPT ); Tue, 6 Dec 2011 19:32:25 -0500 In-Reply-To: <20111206111703.GB17926@aftab> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Tue, 6 Dec 2011, Borislav Petkov wrote: > On Tue, Dec 06, 2011 at 03:51:00PM +1300, Chris Edwards wrote: > > On 06/12/11 10:02, Thomas Gleixner wrote: > > >On Mon, 5 Dec 2011, Borislav Petkov wrote: > > >>On Mon, Dec 05, 2011 at 05:56:01PM +0100, Thomas Gleixner wrote: > > >> > > >>>You could try the following patch. Be aware that it might not work at > > >>>all, but I don't expect that you need a fire extinguisher :) > > > > No smoke or flames noted. :) And that appears to have solved the > > problem. Firewire audio works, and even after running NetPIPE a > > couple of times over that Ethernet interface, there's only a handful > > of interrupts on the Firewire IRQ (as seems to be normal): > > Oh ok, good. > > I started poking at hw people for comments, let's see what happens. Please let > us know should there be other issues. > > @tglx: You could give me a couple of days to confirm the workaround but > this is old stuff so don't hold your breath for too long :). Sure, I'm not in a hurry. It seems only Chris has one of these oddballs :)