From owner-freebsd-current@FreeBSD.ORG Sat Jul 9 13:27:33 2005 Return-Path: X-Original-To: freebsd-current@FreeBSD.org Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C084316A428; Sat, 9 Jul 2005 13:27:33 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id C924343D91; Sat, 9 Jul 2005 13:25:07 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from [192.168.254.11] (junior.samsco.home [192.168.254.11]) (authenticated bits=0) by pooker.samsco.org (8.13.3/8.13.3) with ESMTP id j69DV6XH044655; Sat, 9 Jul 2005 07:31:07 -0600 (MDT) (envelope-from scottl@samsco.org) Message-ID: <42CFD02A.6050204@samsco.org> Date: Sat, 09 Jul 2005 07:24:58 -0600 From: Scott Long User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.8) Gecko/20050615 X-Accept-Language: en-us, en MIME-Version: 1.0 To: John Baldwin References: <42C098B0.5060004@voicenet.com> <42C342F7.9080905@comcast.net> <42C34640.6040305@samsco.org> <200507090910.25502.jhb@FreeBSD.org> In-Reply-To: <200507090910.25502.jhb@FreeBSD.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.8 required=3.8 tests=ALL_TRUSTED autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on pooker.samsco.org Cc: rsh.lists@comcast.net, freebsd-current@FreeBSD.org, Adam K Kirchhoff Subject: Re: Portupgrade, -CURRENT & SMP X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Jul 2005 13:27:33 -0000 John Baldwin wrote: > On Wednesday 29 June 2005 09:09 pm, Scott Long wrote: > >>Sean wrote: >> >>>Scott Long wrote: >>> >>>>>Which, yes, is quite annoying and, IMHO, is a pretty critical bug >>>>>that needs fixing. It makes SMP on -CURRENT nearly unusable if you >>>>>want to regularly update your ports. >>>>> >>>>>Adam >>>> >>>>Well, you can disable SMP at boot via >>>> >>>>set hw.apic.0.disable=1 >>>> >>>>But yes, it's some sort of a bug and it needs to be fixed. I'll track >>>>the PR. >>>> >>>>Scott >>> >>>Scott, >>> >>>I checked and doing several searches through the sysctl options do not >>>see any such option as you list above, > set hw.apic.0.disable=1 >>> >>>I am running amd64, is this perhaps just an option for i386? >>>I do see a kern.smp.disabled: 0, would this instead be for amd64? >>> >>>Exactly how on boot do I break in to enter this option? >>>Or do I set it, then boot? >>>Then afterwards reset then boot again? >>> >>> Thanks >>> Sean >> >>Sorry, it's >> >>hw.apic.0.disabled=1 >> >>I missed the 'd'. It's not a sysctl, it's a tunable (they share the >>same namespace and often overlap, but not always). kern.smp.disabled >>works too. You'll need to either put these settings into >>/boot/loader.conf, or manually set them in the loader by hitting the >>space bar during the 10 second timeout. 5.x had a nice menu for doing >>this, but it because controversial over silly reasons and was removed. > > > And s/hw/hint/. I think the menu should be brought back though. The folks > who didn't want it had an easy knob to turn it off. > In order to do that I need to completely re-write it so that it does simple scrolling instead of screen addressing, and of course I need to remove the mascot. The first part isn't easy and hence hasn't been high on my priority list. Scott