From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750730AbWAXVRj (ORCPT ); Tue, 24 Jan 2006 16:17:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750728AbWAXVRj (ORCPT ); Tue, 24 Jan 2006 16:17:39 -0500 Received: from ms-smtp-04.nyroc.rr.com ([24.24.2.58]:59831 "EHLO ms-smtp-04.nyroc.rr.com") by vger.kernel.org with ESMTP id S1750730AbWAXVRi (ORCPT ); Tue, 24 Jan 2006 16:17:38 -0500 Subject: Re: [PATCH RT] kstopmachine has legit preempt_enable_no_resched (was: 2.6.15-rt12 bugs) From: Steven Rostedt To: Michal Piotrowski Cc: LKML , Ingo Molnar In-Reply-To: <6bffcb0e0601241300xd0b8d8dt@mail.gmail.com> References: <6bffcb0e0601230521l59b8360et@mail.gmail.com> <1138065822.6695.6.camel@localhost.localdomain> <6bffcb0e0601240533h3ba1a01ci@mail.gmail.com> <1138112388.6695.26.camel@localhost.localdomain> <6bffcb0e0601240737u3e77245g@mail.gmail.com> <1138126262.6695.29.camel@localhost.localdomain> <6bffcb0e0601241300xd0b8d8dt@mail.gmail.com> Content-Type: text/plain Date: Tue, 24 Jan 2006 16:17:30 -0500 Message-Id: <1138137450.6695.34.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2006-01-24 at 22:00 +0100, Michal Piotrowski wrote: > On 24/01/06, Steven Rostedt wrote: > > On Tue, 2006-01-24 at 16:37 +0100, Michal Piotrowski wrote: > [snip] > > > It's very hard to track down, because earlier versions of -rt ware too > > > buggy for me and most of them doesn't compile/boot. > > > > The 2.6.14-rtX series was pretty stable. How early did you go back? > > To 2.6.15-rt1 - it doesn't compile (ipv6 module). 2.6.15-rt2 gives me > wonderful series of oops/warnings/badness on boot ;). Ingo was busy at the time getting true mutexes into the kernel. So he was pushing the -rt stuff out before testing. So I created a tree to handle this: These are patches against Ingo's -rt patches, that should help make some of your problems work. http://home.stny.rr.com/rostedt/patches/archive/patch-2.6.15-rt1-sr2 http://home.stny.rr.com/rostedt/patches/archive/patch-2.6.15-rt2-sr3 http://home.stny.rr.com/rostedt/patches/archive/patch-2.6.15-rt3-sr1 http://home.stny.rr.com/rostedt/patches/patch-2.6.15-rt4-sr2 -- Steve