Same problem. Using kubuntu 14.04, Nvidia GeForce GT 650M. Screen freezes frequently using the trackpad. Using Ctr-Alt-f6 and then Ctr-Alt-f7 fixes the freeze.
Same problem. Using kubuntu 14.04, Nvidia GeForce GT 650M. Screen freezes frequently using the trackpad. Using Ctr-Alt-f6 and then Ctr-Alt-f7 fixes the freeze.