*** This bug is a duplicate of bug 42553 *** Thanks for your report. A workaround may be to comment out the lines:
InputDevice "stylus" "SendCoreEvents" InputDevice "cursor" "SendCoreEvents" InputDevice "eraser" "SendCoreEvents" in /etc/X11/xorg.conf ** This bug has been marked a duplicate of bug 42553 X Error: BadDevice, invalid or uninitialized input device -- Failed to open device while starting any X program https://launchpad.net/bugs/47464 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs