I'm seeing this bug too with nouveau driver. I've set DisplaySize to 474 296.
At first it looks okay: [ 45437.510] (**) NOUVEAU(0): Display dimensions: (474, 296) mm [ 45437.510] (**) NOUVEAU(0): DPI set to (90, 90) and sets it to 96 dpi... [ 45437.530] (II) NOUVEAU(0): Setting screen physical size to 444 x 277 environment: Gentoo x86_64 Linux 3.0.4 Xorg Server 1.11.0 Nouveau DDX driver from GIT. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/521877 Title: [gm45] wrong screen size detected on X200s To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/521877/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs