linux-kernel - Re: X200: Brightness broken since 2.6.29-rc4-58-g4c098bc

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Message-ID: <20090213134336.GB26549@srcf.ucam.org>
Date:	Fri, 13 Feb 2009 13:43:36 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Nico Schottelius <nico-linux-20090213@...ottelius.org>,
	LKML <linux-kernel@...r.kernel.org>
Cc:	jbarnes@...tuousgeek.org
Subject: Re: X200: Brightness broken since 2.6.29-rc4-58-g4c098bc

> [ 129.935021] [drm] Initialized i915 1.6.0 20080730 on minor 0
> [ 129.988541] [drm:i915_initialize] *ERROR* can not ioremap virtual address for ring buffer

You need the intel drm for backlight control to work, and it appears to 
be aborting in initialisation. Cc:ing Jesse to get some idea what's 
going on here.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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