I experienced the same problem (with touchpad records in Xorg.0.log) on my laptop MSI GP60 2PE. This: https://answers.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+question/176273 at #7 solved my problem.
I hope this helps. -- 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