From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762248AbZBRWw3 (ORCPT ); Wed, 18 Feb 2009 17:52:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761867AbZBRWud (ORCPT ); Wed, 18 Feb 2009 17:50:33 -0500 Received: from smtp4.ono.com ([62.42.230.177]:52584 "EHLO resmaa15.ono.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758599AbZBRWub convert rfc822-to-8bit (ORCPT ); Wed, 18 Feb 2009 17:50:31 -0500 Date: Wed, 18 Feb 2009 23:50:22 +0100 From: "J.A. =?UTF-8?B?TWFnYWxsw7Nu?=" To: Linux-Kernel Subject: Re: Intel driver vs MTRRs conflict Message-ID: <20090218235022.1b5aba55@one.home> In-Reply-To: <499B64DC.2060600@zytor.com> References: <20090218002046.55c17814@werewolf.home> <499B64DC.2060600@zytor.com> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.15.4; i586-mandriva-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 17 Feb 2009 17:31:08 -0800, "H. Peter Anvin" wrote: > J.A. Magallón wrote: > > > > As I said, everything works. And even fast for the kind of machine, it's an > > Aspire One and gears gives 740 fps, and video playback is pretty smooth. > > But perhaps it would be faster if X could get that mtrr it claims ? > > > Sorry for the delay... > Which CPU? > Atom N270, 1.60GHz, hyperthreaded. 512Kb cache I have realized that I boot with video=intelfb:mtrr,ywrap. Could this be interferring ? Things in syslog I think are relevant: Feb 17 23:45:47 one klogd: x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 Feb 17 23:45:47 one klogd: original variable MTRRs Feb 17 23:45:47 one klogd: reg 0, base: 4194176KB, range: 128KB, type WP Feb 17 23:45:47 one klogd: reg 1, base: 4194048KB, range: 128KB, type UC Feb 17 23:45:47 one klogd: reg 2, base: 0GB, range: 256MB, type WB Feb 17 23:45:47 one klogd: reg 3, base: 256MB, range: 256MB, type WB Feb 17 23:45:47 one klogd: reg 4, base: 504MB, range: 8MB, type UC Feb 17 23:45:47 one klogd: reg 5, base: 502MB, range: 2MB, type UC Feb 17 23:45:47 one klogd: reg 6, base: 501MB, range: 1MB, type UC Feb 17 23:45:47 one klogd: reg 7, base: 0GB, range: 128KB, type UC Feb 17 23:45:47 one klogd: total RAM coverred: 501M Feb 17 23:45:47 one klogd: Found optimal setting for mtrr clean up Feb 17 23:45:47 one klogd: gran_size: 64K ^Ichunk_size: 16M ^Inum_reg: 4 ^Ilose cover RAM: 0G Feb 17 23:45:47 one klogd: New variable MTRRs Feb 17 23:45:47 one klogd: reg 0, base: 0GB, range: 512MB, type WB Feb 17 23:45:47 one klogd: reg 1, base: 501MB, range: 1MB, type UC Feb 17 23:45:47 one klogd: reg 2, base: 502MB, range: 2MB, type UC Feb 17 23:45:47 one klogd: reg 3, base: 504MB, range: 8MB, type UC Feb 17 23:45:47 one klogd: x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 Feb 17 23:45:47 one klogd: kernel direct mapping tables up to 1f500000 @ 7000-c000 ... Feb 17 23:45:47 one klogd: vesafb: framebuffer at 0x20000000, mapped to 0xdfd80000, using 1875k, total 7872k Feb 17 23:45:47 one klogd: vesafb: mode is 800x600x16, linelength=1600, pages=7 Feb 17 23:45:47 one klogd: vesafb: scrolling: redraw Feb 17 23:45:47 one klogd: vesafb: Truecolor: size=0:5:6:5, shift=0:11:5:0 Feb 17 23:45:47 one klogd: Console: switching to colour frame buffer device 100x37 Feb 17 23:45:47 one klogd: fb0: VESA VGA frame buffer device -- J.A. Magallon \ Software is like sex: \ It's better when it's free Mandriva Linux release 2009.1 (Cooker) for x86_64 Linux 2.6.27.5-desktop-1mnb (gcc 4.3.2 (GCC) #1 Sun Nov