This is bug is still persist in Kubuntu 16.4 LTS. Every time, when my laptop (HP Pavilion 15 Notebook PC) wake up from sleep the point freezes. To get it work again I do:
xinput set-prop 12 "Device Enabled" 1 where 12 in my touch-pad device number. and sometime ctrl+alt+f2 then ctrl+alt+f7 to get the pad accepting the clicking. This is laptop has dual graphics cards (Nvidia GM108M [GeForce 840M] and intel) with default to Nvidia driver nvidia-361 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1220426 Title: [nvidia-prime]Freeze while using touchpad To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1220426/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp