From owner-cvs-all@FreeBSD.ORG Mon May 1 19:41:27 2006 Return-Path: X-Original-To: cvs-all@freebsd.org Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 640C016A4CE; Mon, 1 May 2006 19:41:27 +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 9D4E543D7C; Mon, 1 May 2006 19:41:26 +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 k41JfPFM020165; Mon, 1 May 2006 15:41:25 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: Maxim Sobolev Date: Mon, 1 May 2006 15:29:04 -0400 User-Agent: KMail/1.9.1 References: <200604280317.k3S3Hb3L017882@repoman.freebsd.org> <200605011124.09330.jhb@freebsd.org> <44565DC9.5020102@FreeBSD.org> In-Reply-To: <44565DC9.5020102@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200605011529.07817.jhb@freebsd.org> X-Virus-Scanned: ClamAV 0.87.1/1433/Mon May 1 04:10:05 2006 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on server.baldwin.cx Cc: cvs-src@freebsd.org, src-committers@freebsd.org, cvs-all@freebsd.org, Nate Lawson Subject: Re: cvs commit: src/sys/dev/sk if_sk.c if_skreg.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 May 2006 19:41:28 -0000 On Monday 01 May 2006 15:13, Maxim Sobolev wrote: > John Baldwin wrote: > > >> BTW, can you check the following URL, it's the changes intel has made > >> to ia32 manual after releasing Core Duo. Maybe you can spot something > >> there. There are some lapic-related changes. > >> > >> http://download.intel.com/design/Pentium4/specupdt/25204616.pdf > > > > None of the APIC-related changes affect us. We always access APIC > > registers using 32-bit loads and stores for example. > > I see, do you have any other ideas why it doesn't work on FreeBSD, while > works OOB on Linux 2.6 (reportedly) and definitely on Windows XP SP2? > Anything specific in our way of lapic/SMP handling? Nope. > BTW, I have noticed that we don't mark lapic page as noncacheable, which > seemingly required by the spec. I have made small change (3 lines), but > it doesn't help either. You can also try the PAT patch which would have the side effect of forcing the lapic to be mapped UC as well. > -Maxim > P.S. I will bring the laptop to BSDCan so that I can let you or anybody > else play with it if it helps to fix the problem. Ok, I'll be there. -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org