From owner-freebsd-current@FreeBSD.ORG Mon Nov 24 13:49:15 2003 Return-Path: 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 9E7E316A4CE for ; Mon, 24 Nov 2003 13:49:15 -0800 (PST) Received: from blake.polstra.com (dsl081-189-066.sea1.dsl.speakeasy.net [64.81.189.66]) by mx1.FreeBSD.org (Postfix) with ESMTP id A018743FCB for ; Mon, 24 Nov 2003 13:49:14 -0800 (PST) (envelope-from jdp@polstra.com) Received: from strings.polstra.com (dsl081-189-067.sea1.dsl.speakeasy.net [64.81.189.67]) by blake.polstra.com (8.12.9p2/8.12.9) with ESMTP id hAOLnD8b024683; Mon, 24 Nov 2003 13:49:13 -0800 (PST) (envelope-from jdp@polstra.com) Message-ID: X-Mailer: XFMail 1.5.4 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <23528.1069709458@critter.freebsd.dk> Date: Mon, 24 Nov 2003 13:49:13 -0800 (PST) From: John Polstra To: Poul-Henning Kamp X-Bogosity: No, tests=bogofilter, spamicity=0.415167, version=0.14.5 cc: current@freebsd.org cc: Nate Lawson Subject: Re: PII SMP system hangs during boot with ACPI enabled X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Mon, 24 Nov 2003 21:49:15 -0000 On 24-Nov-2003 Poul-Henning Kamp wrote: > In message , John Polstra writes: >>I put kern.timecounter.hardware="i8254" into /boot/loader.conf, but >>it didn't make any difference. Are you sure it even works from >>loader.conf? From the sources it looks like this is a sysctl rather >>than a tunable. I could change it to a tunable, though, if you >>think it's worthwhile. > > It would be rather complicated to make it a tunable. Far easier to > go into the ACPI timecounter and just give it a negative quality, > that will disable it. Thanks for the tip! I did as you suggested, but it didn't cure the hanging problem. John