From owner-freebsd-current@FreeBSD.ORG Mon Apr 3 15:55:33 2006 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 326BA16A501 for ; Mon, 3 Apr 2006 15:55:33 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by mx1.FreeBSD.org (Postfix) with ESMTP id 96FCA43D5F for ; Mon, 3 Apr 2006 15:55:31 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from localhost (john@localhost [127.0.0.1]) by server.baldwin.cx (8.13.4/8.13.4) with ESMTP id k33FtMoq043315; Mon, 3 Apr 2006 11:55:24 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: "Conrad J. Sabatier" Date: Mon, 3 Apr 2006 11:52:25 -0400 User-Agent: KMail/1.9.1 References: <20060329020527.f8f087a4.conrads@cox.net> <200603291315.56671.jhb@freebsd.org> <20060402060734.0cc8fdd0.conrads@cox.net> In-Reply-To: <20060402060734.0cc8fdd0.conrads@cox.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200604031152.27109.jhb@freebsd.org> X-Virus-Scanned: ClamAV 0.87.1/1369/Mon Apr 3 06:25:15 2006 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-3.9 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on server.baldwin.cx Cc: bms@spc.org, freebsd-current@freebsd.org Subject: Re: device atpic to be deprecated? 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: Mon, 03 Apr 2006 15:55:33 -0000 On Sunday 02 April 2006 07:07, Conrad J. Sabatier wrote: > On Wed, 29 Mar 2006 13:15:54 -0500 > John Baldwin wrote: > > On Wednesday 29 March 2006 12:08, Scott Long wrote: > > > John Baldwin wrote: > > > > > > > > I think that once the lapic timer stuff was added almost all of the APIC > > > > issues I was aware of went away on amd64 that were fixed by using device > > > > atpic instead. Most of the earlier problems were due to chipsets not > > > > setting up pin 0 as extint, etc. but all that is no longer relevant when > > > > we switched to using the lapic timer and stopped using irq0 and irq8 with > > > > APIC. This is the first I've heard since the lapic timer stuff that APIC > > > > didn't work on an amd64 box, and device atpic has been off by default in > > > > HEAD for quite a while now. If we were able to require APIC on amd64, then > > > > we might be able to try out some optimizations and other things I haven't > > > > bothered with since they wouldn't be feasible on i386. > > > > > > > > > > Fine, remove it. > > > > I have to make sure it really works for everyone first though before > > removing it would really be viable. :-/ > > So, would it be necessary to upgrade to HEAD in order to make sure that > this problem won't still occur on my box? Or has this stuff already > been merged to STABLE? This particular bunch of code is identical in HEAD and 6.x right now, so we can probably debug it on STABLE just fine. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org