Ah, and I removed the two or three input devices relating to graphics tablets, which I don't have and which generate spurious warnings which bugged me...
-- Radeon Mobility 7500: poor 2D performance, abysmal 3D performance https://launchpad.net/bugs/56692 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs