xserver-xorg Recommends: discover1, so it is installed by default. You have removed it for some reason.
** Changed in: xorg (Ubuntu) Sourcepackagename: xserver-xorg-video-i810 => xorg -- discover1 did not get installed for xserver-xorg autodetection https://launchpad.net/bugs/98648 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
