Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262915AbUKYBbh (ORCPT ); Wed, 24 Nov 2004 20:31:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262914AbUKYBbh (ORCPT ); Wed, 24 Nov 2004 20:31:37 -0500 Received: from fw.osdl.org ([65.172.181.6]:9889 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S262886AbUKYBb1 (ORCPT ); Wed, 24 Nov 2004 20:31:27 -0500 Date: Wed, 24 Nov 2004 17:18:05 -0800 From: Andrew Morton To: pawfen@wp.pl Cc: linux-kernel@vger.kernel.org Subject: Re: MTRR vesafb and wrong X performance Message-Id: <20041124171805.0586a5a1.akpm@osdl.org> In-Reply-To: <1101338139.1780.9.camel@PC3.dom.pl> References: <1101338139.1780.9.camel@PC3.dom.pl> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 718 Lines: 17 Pawel Fengler wrote: > > When I use boot option "video=vesafb:nomtrr" with any 2.6.x kernel, > Xserver performance is nearly as good as under 2.4.x kernel > and warning (in xorg.log) does not appear. > > It seems to be a problem with mtrr and vesafb described several times, > for example Jan 18, 2004 in thread "Overlapping MTRRs in 2.6.1" > but it was a long time ago. Please send the full dmesg output and the contents of /proc/mtrr for 2.6.10-rc2. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/