Could you try to blacklist the i2c_hid module? You can do that by "echo blacklist i2c_hid > /etc/modprobe.d/blacklist_i2c_hid.conf" and then reboot. This works for me on Fedora...., so might not work for you.
It looks to be related to this bug which is actually caused by the touchscreen. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1218973 -- 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/1263319 Title: Touchpad not detected on Dell XPS 13 (9333) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/1263319/+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
