From owner-freebsd-current@FreeBSD.ORG Fri Jul 9 17:19:12 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 B522216A4CF for ; Fri, 9 Jul 2004 17:19:12 +0000 (GMT) Received: from smtp001.bizmail.yahoo.com (smtp001.bizmail.yahoo.com [216.136.172.125]) by mx1.FreeBSD.org (Postfix) with SMTP id 891EC43D2F for ; Fri, 9 Jul 2004 17:19:12 +0000 (GMT) (envelope-from noackjr@alumni.rice.edu) Received: from unknown (HELO optimator.noacks.org) (noackjr@supercrime.org@70.240.179.20 with login) by smtp001.bizmail.yahoo.com with SMTP; 9 Jul 2004 17:19:12 -0000 Received: from localhost (localhost [127.0.0.1]) by optimator.noacks.org (Postfix) with ESMTP id A8970618F; Fri, 9 Jul 2004 12:19:11 -0500 (CDT) Received: from optimator.noacks.org ([127.0.0.1]) by localhost (optimator.noacks.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 03140-07; Fri, 9 Jul 2004 12:19:10 -0500 (CDT) Received: from compgeek.noacks.org (compgeek [192.168.1.10]) by optimator.noacks.org (Postfix) with ESMTP id 792ED6157; Fri, 9 Jul 2004 12:19:10 -0500 (CDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by compgeek.noacks.org (8.12.11/8.12.11) with ESMTP id i69HJ9EL010504; Fri, 9 Jul 2004 12:19:09 -0500 (CDT) (envelope-from noackjr@alumni.rice.edu) Message-ID: <40EED38D.9010903@alumni.rice.edu> Date: Fri, 09 Jul 2004 12:19:09 -0500 From: Jon Noack User-Agent: Mozilla Thunderbird 0.7.1 (X11/20040629) X-Accept-Language: en-us, en MIME-Version: 1.0 To: John Baldwin References: <20040705184940.GA2651@tybalt.greiner.local> <200407081317.53981.jhb@FreeBSD.org> <20040709111955.2901ce5b.taku@tackymt.homeip.net> <200407091315.16899.jhb@FreeBSD.org> In-Reply-To: <200407091315.16899.jhb@FreeBSD.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at noacks.org cc: Taku YAMAMOTO cc: freebsd-current@FreeBSD.org 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 Reply-To: noackjr@alumni.rice.edu 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 17:19:12 -0000 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 Jon