This bug was fixed in the package xorg-server - 2:1.17.2-1ubuntu5
--------------- xorg-server (2:1.17.2-1ubuntu5) wily; urgency=medium
* disable-rotation-transform-gpuscreens.patch: Revert back to disabling rotations on GPU screens. It won't work before 1.18. (LP: #1489696)
-- Timo Aaltonen <email address hidden> Wed, 02 Sep 2015 15:56:03 +0300
This bug was fixed in the package xorg-server - 2:1.17.2-1ubuntu5
---------------
xorg-server (2:1.17.2-1ubuntu5) wily; urgency=medium
* disable- rotation- transform- gpuscreens. patch: Revert back to disabling
rotations on GPU screens. It won't work before 1.18. (LP: #1489696)
-- Timo Aaltonen <email address hidden> Wed, 02 Sep 2015 15:56:03 +0300