Bug #868400 might be the same as this. Please run evtest on a virtual terminal (ctrl+alt+f2), ala `sudo evtest /dev/input/eventX`. If that shows events, then something in X (or higher up the stack) has failed; if it shows no events then need to look into the kernel.
** Changed in: xserver-xorg-input-synaptics (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/859455 Title: Touchpad random breakage To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/859455/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs