seems to be an ATI driver issue, reassigning to xserver-xorg-driver-ati ** Changed in: ubuntulooks (Ubuntu) Sourcepackagename: ubuntulooks => xserver-xorg-driver-ati Assignee: (unassigned) => Ubuntu X SWAT Status: Needs Info => Unconfirmed -- Glitched scrollbar https://launchpad.net/bugs/42317