FWIW, I am currently experiencing this problem and wish to provide more information. This is my first bug report, so I'd appreciate some guidance.
The problem is exactly as described, on 14.04.1 LTS 64-bit on an Asus Zenbook with Elan touchpad. I've reported the outcome of the apport-collect command over at https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1398621 -- 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/726832 Title: Touchpad speed scales with multimonitor size per axis To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-driver-synaptics/+bug/726832/+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