From owner-freebsd-current@FreeBSD.ORG Fri Jul 9 17:45:33 2004 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 BD44116A4CE for ; Fri, 9 Jul 2004 17:45:33 +0000 (GMT) Received: from mail1.speakeasy.net (mail1.speakeasy.net [216.254.0.201]) by mx1.FreeBSD.org (Postfix) with ESMTP id 97EC543D2F for ; Fri, 9 Jul 2004 17:45:33 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 3846 invoked from network); 9 Jul 2004 17:45:33 -0000 Received: from dsl027-160-063.atl1.dsl.speakeasy.net (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender ) encrypted SMTP for ; 9 Jul 2004 17:45:32 -0000 Received: from 10.50.41.229 (gw1.twc.weather.com [216.133.140.1]) by server.baldwin.cx (8.12.11/8.12.11) with ESMTP id i69HjOx5088867; Fri, 9 Jul 2004 13:45:29 -0400 (EDT) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: freebsd-current@FreeBSD.org, noackjr@alumni.rice.edu Date: Fri, 9 Jul 2004 13:46:39 -0400 User-Agent: KMail/1.6 References: <20040705184940.GA2651@tybalt.greiner.local> <200407091315.16899.jhb@FreeBSD.org> <40EED38D.9010903@alumni.rice.edu> In-Reply-To: <40EED38D.9010903@alumni.rice.edu> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200407091346.39021.jhb@FreeBSD.org> X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on server.baldwin.cx cc: Taku YAMAMOTO Subject: Re: Native preemption is the culprit [was Re: today's CURRENT lockups] 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: Fri, 09 Jul 2004 17:45:33 -0000 On Friday 09 July 2004 01:19 pm, Jon Noack wrote: > On 07/09/04 12:15, John Baldwin wrote: > > My test machine is not a true SMP machine either, just HTT. It has been > > running a -j 256 worldloop overnight with no problems, so I committed a > > slightly modified version of the patch yesterday. > > Did you test with a UP kernel? After your latest commit I have been > experiencing regular hard locks on my pre-HTT P4 machine. Backing out > rev. 1.114 of sched_ule.c fixes it. See my previous message (Re: > FreeBSD keeps hanging......): > http://docs.freebsd.org/cgi/mid.cgi?40EECC49.3070501 No, it's running an SMP kernel. I have seen one hard lockup on a UP kernel on my laptop when trying to use xmms in KDE while using ULE. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org