Putting "sleep 1" in /etc/init/lightdm.conf was enough.
When i look at dmesg it says
[ 2.263168] [drm] Initialized drm 1.1.0 20060810
[ 2.766592] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
so i guess xorg tries to use it at [ 2.497] in some partially initialized state or something
Putting "sleep 1" in /etc/init/ lightdm. conf was enough.
When i look at dmesg it says
[ 2.263168] [drm] Initialized drm 1.1.0 20060810
[ 2.766592] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
so i guess xorg tries to use it at [ 2.497] in some partially initialized state or something