I'm having the same problem, and disabling the synaptics driver also fixed it. I've just now update/dist-upgraded and still no improvement.
$ gnome-settings-daemon [...] The error was 'BadDevice, invalid or uninitialized input device'. (Details: serial 1395 error_code 171 request_code 151 minor_code 3) [...] -- gnome-settings-daemon not starting with 1:2.19.92-0ubuntu3 https://bugs.launchpad.net/bugs/140485 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs