Actually, I'm more inclined to think it was the xserver update at the same time than the intel driver.
http://cgit.freedesktop.org/xorg/xserver/commit/?h=server-1.6-branch&id=8d65439d5c950ea01ec8e1e4dd989aff0fb4c3f0
https://bugs.freedesktop.org/show_bug.cgi?id=21987
Actually, I'm more inclined to think it was the xserver update at the same time than the intel driver.
http:// cgit.freedeskto p.org/xorg/ xserver/ commit/ ?h=server- 1.6-branch& id=8d65439d5c95 0ea01ec8e1e4dd9 89aff0fb4c3f0
https:/ /bugs.freedeskt op.org/ show_bug. cgi?id= 21987