Link to originating patch: https://lists.x.org/archives/xorg-devel/2016-January/048460.html Link to git.altlinux.org repo with applied patch: http://git.altlinux.org/people/lakostis/packages/?p=xorg-server.git;a=commit;h=2083d9399ea8e625c17af3bc4a4ee9eecb6682f3 This patch is really useful with recent mesa (11.2) and doesn't hurt anyone. Cheers
Fixed in 1.18.1-alt1.