Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756917AbXHBD6V (ORCPT ); Wed, 1 Aug 2007 23:58:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752866AbXHBD6O (ORCPT ); Wed, 1 Aug 2007 23:58:14 -0400 Received: from terminus.zytor.com ([198.137.202.10]:56240 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753207AbXHBD6N (ORCPT ); Wed, 1 Aug 2007 23:58:13 -0400 Message-ID: <46B1547F.3090403@zytor.com> Date: Wed, 01 Aug 2007 23:50:23 -0400 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.5 (X11/20070719) MIME-Version: 1.0 To: "Antonino A. Daplas" CC: Daniel Drake , Zwane Mwaikambo , Andrew Morton , Jan Beulich , linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: [PATCH] retrieve VBE EDID/DDC info independent of used video mode References: <4678191D.76E4.0078.0@novell.com> <4686D85B.6090803@gentoo.org> <20070630154230.4ad373fa.akpm@linux-foundation.org> <4690E65B.5050607@gentoo.org> <20070708111404.1486e73c.akpm@linux-foundation.org> <46912E09.2070806@zytor.com> <4692BC61.9070500@gentoo.org> <4692BDEE.8020802@zytor.com> <4693BF02.2050705@gentoo.org> <4693C0A1.8010901@zytor.com> <4693CAFF.4000609@gentoo.org> <4693CCC6.7050400@zytor.com> <46AFCCBB.70307@gentoo.org> <46AFDF3A.6080300@gentoo.org> <1185933291.4688.11.camel@daplas> <1186024158.4629.1.camel@daplas> In-Reply-To: <1186024158.4629.1.camel@daplas> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1560 Lines: 38 Antonino A. Daplas wrote: > On Wed, 2007-08-01 at 09:54 +0800, Antonino A. Daplas wrote: >> On Tue, 2007-07-31 at 21:17 -0400, Daniel Drake wrote: >>> Zwane Mwaikambo wrote: >>>> Sorry if this has been hashed out before, but could you point me towards >>>> the gentoo bugzilla entry? I'm trying to understand how your setup broke. >>>> Which version VBE does your system have? >>> Here's the bug: >>> http://bugs.gentoo.org/show_bug.cgi?id=181067 >>> >> Looking at the dmesg output of the working and failing kernel, it does >> seem that there's no EDID block available in the failing kernel. >> > > BTW, I looked at the above bug report, it seems his last dmesg does not > have fbcon enabled. Make sure that CONFIG_FRAMEBUFFER_CONSOLE=y before > doing more tests (the problem of lack of the EDID block in the failing > kernel still applies). > Okay, I'm royally puzzled why that would be. I've gone over the code quite a few times, and I do not see any way (other than VESA < 2.0) that could cause that. I look forward to getting the debug output; depending on what it is we might have to get some debugging output from the setup code. We can printf in the new setup code, although obviously that requires leaving the screen in text mode. However, EDID information should still be available. -hpa - 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/