From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754265AbZDEXlJ (ORCPT ); Sun, 5 Apr 2009 19:41:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753576AbZDEXk4 (ORCPT ); Sun, 5 Apr 2009 19:40:56 -0400 Received: from terminus.zytor.com ([198.137.202.10]:46638 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752937AbZDEXkz (ORCPT ); Sun, 5 Apr 2009 19:40:55 -0400 Message-ID: <49D9417D.8060309@zytor.com> Date: Sun, 05 Apr 2009 16:40:45 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Andi Kleen CC: linux-kernel@vger.kernel.org Subject: Re: 2.6.29-git12 breaks vga=0x0f07 on MSI/Intel GPU References: <20090405231425.GC17934@one.firstfloor.org> In-Reply-To: <20090405231425.GC17934@one.firstfloor.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andi Kleen wrote: > Hi, > > Something between 2.6.29 and 2.6.29-git12 broke vga=0x0f07 text mode > on one of my test boxes. The text mode display is still (barely)visible, > but the display contents continuous move over the screen horizontally while > flickering. Without the option in 80x25 mode it still works. 2.6.29 > also works fine. > > This is a MSI system with integrated Intel GPU. > > 00:02.1 Display controller: Intel Corporation: Unknown device 29c3 (rev 02) > > Please tell me if you need more information, i'm not sure > what I should collect. > vga=0xf07 (80x60) was broken until recently; it actually implemented the equivalent of "vga=0xf01" (80x50). Can you boot 2.6.22 with "vga=0xf07" on this box, and if so, how does it behave? -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.