Bug#439914: xserver-xorg: backlight is not turned on resume, thinkpad x61s

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

> Thanks for investigating.  I have the same symptoms with 2:2.1.0-2,
> but then the chvt hack does not work (neither does restarting the X
> server), and it is convinced my external monitor is a TV with a max
> refresh of 30Hz.  The latter may be an unrelated xrandr issue.
>   

Could you try building the latest upstream git snapshot in case it got
fixed in the meantime? There's a how-to at
http://bgoglin.livejournal.com/10936.html

If it does not help, I will forward this bug upstream.

Brice