This was actually a nautilus issue. I'm marking this bug as a duplicate of the (fixed) Nautilus bug.
-- [i945gm] Line at each horizontal edge of screen after interacting with desktop - i915 https://bugs.launchpad.net/bugs/508119 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
