Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268723AbUJPNHy (ORCPT ); Sat, 16 Oct 2004 09:07:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268726AbUJPNHy (ORCPT ); Sat, 16 Oct 2004 09:07:54 -0400 Received: from relay.pair.com ([209.68.1.20]:9489 "HELO relay.pair.com") by vger.kernel.org with SMTP id S268723AbUJPNHw (ORCPT ); Sat, 16 Oct 2004 09:07:52 -0400 X-pair-Authenticated: 66.190.53.4 Message-ID: <41711D27.8010408@cybsft.com> Date: Sat, 16 Oct 2004 08:07:51 -0500 From: "K.R. Foley" User-Agent: Mozilla Thunderbird 0.8 (X11/20040913) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ingo Molnar CC: Rui Nuno Capela , Lee Revell , linux-kernel , mark_h_johnson@raytheon.com, Daniel Walker , Bill Huey , Andrew Morton , Adam Heath , Lorenzo Allegrucci , Andrew Rodland Subject: Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U3 References: <20041012195424.GA3961@elte.hu> <20041013061518.GA1083@elte.hu> <20041014002433.GA19399@elte.hu> <20041014143131.GA20258@elte.hu> <20041014234202.GA26207@elte.hu> <20041015102633.GA20132@elte.hu> <1097888438.6737.63.camel@krustophenia.net> <1097894120.31747.1.camel@krustophenia.net> <32812.192.168.1.5.1097922568.squirrel@192.168.1.5> <41711A08.7040905@cybsft.com> <20041016130450.GA8387@elte.hu> In-Reply-To: <20041016130450.GA8387@elte.hu> X-Enigmail-Version: 0.86.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1508 Lines: 40 Ingo Molnar wrote: > * K.R. Foley wrote: > > >>>>It builds fine if CONFIG_SMP is set. Am I really the only person >>>>running this on UP? >>> >>>I run both, on different machines. >>> >>>I'm actually running 2.6.9-rc4-mm1-U3 at this very moment, on my laptop >>>(P4 2.53Ghz/UP, Mdk 10.1c) and also on my desktop machine (P4 >>>2.80Ghz/SMP/HT, SuSE 9.1). >>> >>>However, on the desktop (SMP/HT) I could only made it boot/init >>>successfully with CONFIG_PREEMPT_REALTIME off. On my laptop (UP) is >>>running pretty well on full RT. >> >>I'm curious what you get when you try to boot the SMP system with >>REALTIME on? My SMP/HT system at the office works fine with this. >>Although there is one difference that jumps out at me. I have disabled >>ACPI. I don't have the config handy so I can't do a complete >>comparison, just going from memory. > > > one group of complaints seems to be related to SELINUX=y: it has hooks > all across the kernel deep within the locking hierarchy - and then > itself it does pretty complex stuff too. IPC is certainly broken due to > this, but some networking problems seem to be related too. > > Ingo > Well therein lies a big difference. I have disabled this on all the systems that I am testing on. kr - 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/