From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935281AbXGLQfk (ORCPT ); Thu, 12 Jul 2007 12:35:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765305AbXGLQfP (ORCPT ); Thu, 12 Jul 2007 12:35:15 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:36246 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763981AbXGLQfM (ORCPT ); Thu, 12 Jul 2007 12:35:12 -0400 Date: Thu, 12 Jul 2007 18:33:41 +0200 From: Ingo Molnar To: Gregory Haskins Cc: jim.houston@ccur.com, joe.korty@ccur.com, rostedt@goodmis.org, tglx@linutronix.de, dwalker@mvista.com, David Bahi , Moiz Kohari , Sven Dietrich , dsaxena@plexity.net, williams@redhat.com, abogani@texware.it, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org Subject: Re: Forward port of latest RT patch (2.6.21.5-rt20) to 2.6.22 available Message-ID: <20070712163341.GA9622@elte.hu> References: <46961E080200005A000276AE@mcclure.wal.novell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46961E080200005A000276AE@mcclure.wal.novell.com> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -1.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Gregory Haskins wrote: > For the most part, it seems you guys have resolved most of the > issues that we ran into as well (e.g. early-flush-tlb, relocated > die-notifier, etc, come to mind). I found one patch that was missing > that allows debug configurations to build properly. Heres that patch: > > --- linux-2.6.21.orig/kernel/latency_trace.c > +++ linux-2.6.21/kernel/latency_trace.c > @@ -24,6 +24,7 @@ > #include > #include > #include > +#include i think this breaks PPC (which has no asm-offsets.h file). In any case i saw this build breakage too and the fix is in -rt2. > We did find a regression. I was mistaken earlier when I mentioned our > T60p laptops couldn't boot. It turns out that issue was resolved > somewhere along the way and our published patches based on 21.5-rt19 > do allow the laptop to boot event with acpi=on. With 22.1-rt1 the > laptop crashes unless acpi=off. Now that we have your queue we will > bisect this and post that fix as well. ok. Make sure you check rt2 as well - and note that it's not fully bisectable with PREEMPT_RT enabled (but should probably be fully bisectable with PREEMPT_RT disabled). So check out first whether the problem still persists with PREEMPT_RT disabled. Ingo