Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759389AbYBUPJj (ORCPT ); Thu, 21 Feb 2008 10:09:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751539AbYBUPJc (ORCPT ); Thu, 21 Feb 2008 10:09:32 -0500 Received: from ms-smtp-01.nyroc.rr.com ([24.24.2.55]:50932 "EHLO ms-smtp-01.nyroc.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751393AbYBUPJb (ORCPT ); Thu, 21 Feb 2008 10:09:31 -0500 Date: Thu, 21 Feb 2008 10:08:14 -0500 (EST) From: Steven Rostedt X-X-Sender: rostedt@gandalf.stny.rr.com To: Mark Hounschell cc: Mark Hounschell , linux-kernel , Ingo Molnar , Thomas Gleixner , Jon Masters Subject: Re: 2.6.24-rt1 IRQ routing anomaly In-Reply-To: <47BD7D09.9050106@compro.net> Message-ID: References: <47BD6802.60604@cfl.rr.com> <47BD7D09.9050106@compro.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 960 Lines: 25 On Thu, 21 Feb 2008, Mark Hounschell wrote: > > > > To prove this is the problem, boot with noapic in the kernel command line. > > 1) the problem should disappear. > > 2) (I'm betting) you see that the eth and EMU10K1 share the same > > interrupt line. > > > > Yep, you were right. They do share the same IRQ and the problem does go away. > Unfortunately I can't run this machine with noapic. I need irq affinity. > Thanks for verifying. OK, I'll see if I can get the workaround on i386. I thought I saw a patch someplace where someone ported that workaround. I'm still sorting out bugs in -rt2 (why it is still not out). I'll see if I can find time to get the workaround to i386 for -rt2 as well. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/