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Date: Wed, 13 Nov 2013 21:23:09 +0100
From: =?ISO-8859-1?Q?Jean-S=E9bastien_P=E9dron?= <dumbbell@FreeBSD.org>
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To: freebsd-x11@freebsd.org
Subject: Re: AMD HD4250 on BETA3 / KMS does not wake up from screen saver
References: <1384353798.1876.36.camel@marcopolo.fritz.box>
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Le 13/11/2013 15:43, Mathias Picker a écrit :
> The hd4250 works ok, but on wakeup from screensaver it will not accept
> any input nor show any movement on the screen (e.g. the clock is stuck).
> I can still move the mouse.

If you have some time and if you're sure it won't burn your computer, 
can you try the following patch?
http://people.freebsd.org/~dumbbell/radeonkms/drm-timestamp-monotonic.patch

It fixes the problem for me.

-- 
Jean-Sébastien Pédron