Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268719AbUJPNDg (ORCPT ); Sat, 16 Oct 2004 09:03:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268723AbUJPNDg (ORCPT ); Sat, 16 Oct 2004 09:03:36 -0400 Received: from mx1.elte.hu ([157.181.1.137]:32953 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S268719AbUJPNDc (ORCPT ); Sat, 16 Oct 2004 09:03:32 -0400 Date: Sat, 16 Oct 2004 15:04:50 +0200 From: Ingo Molnar To: "K.R. Foley" 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 Message-ID: <20041016130450.GA8387@elte.hu> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <41711A08.7040905@cybsft.com> User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1360 Lines: 33 * 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 - 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/