linux-kernel - Re: [REGRESSION] i915 KMS dual head broken on DELL latitude E6420 in 3.1-rc*

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Date:	Fri, 16 Sep 2011 18:30:50 +0200
From:	Samuel Thibault <samuel.thibault@...-lyon.org>
To:	Keith Packard <keithp@...thp.com>
Cc:	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [REGRESSION] i915 KMS dual head broken on DELL latitude E6420 in
 3.1-rc*

Keith Packard, le Thu 15 Sep 2011 09:22:48 -0500, a écrit :
> On Thu, 15 Sep 2011 10:12:59 +0200, Samuel Thibault <samuel.thibault@...-lyon.org> wrote:
> 
> > At home only. At work, with a different VGA screen, I'm still getting
> > the issue.
> 
> You're still having a problem with the LVDS screen at work with FBC
> disabled?

Yes, though it now seems random, sometimes it works, sometimes not.

> Can you send along a kernel log with drm.debug=5?

Here they are.

Samuel

View attachment "dmesg.bad" of type "text/plain" (126611 bytes)

View attachment "dmesg.good" of type "text/plain" (126615 bytes)