For me, the problem is fixed when applying the patches in http://xps13-9333.appspot.com/#touchpad
or https://askubuntu.com/questions/462135/touchpad-issue-jumping-cursor- while-typing-ubuntu-14-04-syndaemon-dont-help -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in Ubuntu. https://bugs.launchpad.net/bugs/1509776 Title: xubuntu 15.10 synaptics ps2 touchpad mouse cursor jumps To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/1509776/+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