linux-kernel - Re: Mismatch in gmch_pfit.lvds_border

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Message-ID: <20140611054640.GA31892@sucs.org>
Date:	Wed, 11 Jun 2014 06:46:40 +0100
From:	Sitsofe Wheeler <sitsofe@...il.com>
To:	Jani Nikula <jani.nikula@...ux.intel.com>,
	David Airlie <airlied@...ux.ie>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: Mismatch in gmch_pfit.lvds_border_bits on EeePC 900

On Tue, Jun 10, 2014 at 08:26:55AM +0200, Daniel Vetter wrote:
> On Sun, Jun 08, 2014 at 10:30:15PM +0100, Sitsofe Wheeler wrote:
> > With a tree that is close to 3.15 final I'm regularly seeing the
> > following on my EeePC 900 when starting ioquake3:
> > 
> > [drm:intel_pipe_config_compare] *ERROR* mismatch in gmch_pfit.lvds_border_bits (expected 32768, found 0)
> 
> Hm, I've thought we've fixed that by now. Alas, no :(
> 
> Can you please add drm.debug=0xe to your kernel cmdline, reproduce the
> issue and attach the entire dmesg? Please make sure it contains everything
> since boot-up so that we can reconstruct the state properly (might need to
> grab it from logfiles if dmesg is cut off).

Please find kern.log.gz attached.

> Also, do you have any ideas when you reproduce this? Anything that changes
> the lvds output could be relevant ...

Doing
xrandr -s 800x600
xrandr -s 0

was enough to provoke the messages in the attached log.

-- 
Sitsofe | http://sucs.org/~sits/

Download attachment "kern.log.gz" of type "application/octet-stream" (31115 bytes)