I have the same problem in Asus A450LC with ubuntu 14.04.1 fresh installed.
I am sure it's not hardware issue. Touchpad works fine under windows.
** Attachment added: dmesg ~/dmesg
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1341537/+attachment/4181231/+files/dmesg
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You
** Attachment added: cat /proc/bus/input/devices ~/devices
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1341537/+attachment/4181241/+files/devices
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Sorry, I don't know how to attach 3 file on one comment.
** Attachment added: Xorg.0.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1341537/+attachment/4181242/+files/Xorg.0.log
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