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Subject: Re: [PATCH] retrieve VBE EDID/DDC info independent of used video
	mode
From: "Antonino A. Daplas" <adaplas@gmail.com>
To: Daniel Drake <dsd@gentoo.org>
Cc: Zwane Mwaikambo <zwane@infradead.org>, "H. Peter Anvin" <hpa@zytor.com>,
       Andrew Morton <akpm@linux-foundation.org>,
       Jan Beulich <jbeulich@novell.com>, linux-kernel@vger.kernel.org,
       Andi Kleen <ak@suse.de>
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Date: Wed, 01 Aug 2007 09:54:51 +0800
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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.

> How can we identify the VBE version?

If vesafb works, then it is at least VBE 2.0. To confirm, you can use X
+ the 'vesa' driver and check /var/log/X*.log. 

Tony