This bug is caused by a xorg commit in December which was reverted in the 1.7 branch [1] but not in the 1.9-branch of xorg-xserver.
A bug [2] is filed on the xorg bug tracker but it has no responses, except from the reporter that confirms that a revert of the commit fixes the situation. [1] http://cgit.freedesktop.org/xorg/xserver/commit/?h=server-1.7-branch&id=d77ffa9 [2] https://bugs.freedesktop.org/show_bug.cgi?id=35399 ** Bug watch added: freedesktop.org Bugzilla #35399 http://bugs.freedesktop.org/show_bug.cgi?id=35399 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/765850 Title: unable to rotate display left or right -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
