I've just found a workaround to get the touch driver running. Replace the udev rule (/lib/udev/rules.d/69-wacom.rules/wacom.rules) by the old file from Ubuntu 14.04. It is attached to this post. Put it into /lib/udev/rules.d/.
** Attachment added: "69-xserver-xorg-input-wacom.rules" https://bugs.launchpad.net/ubuntu/+source/xf86-input-wacom/+bug/1392887/+attachment/4264135/+files/69-xserver-xorg-input-wacom.rules ** Tags added: touch touchscreen wacom -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xf86-input-wacom in Ubuntu. https://bugs.launchpad.net/bugs/1392887 Title: serial wacom devices gone after upgrade to utopic/14.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xf86-input-wacom/+bug/1392887/+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