The more I look into this I believe it may be a mixture of kernel driver and xorg interaction. See bug #582809 which I believe may be related.
With an external input device attached, rmmod'ing psmouse completely disables the touchpad (as expected), but enables all of the correct click functionality of the USB mouse. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/730823 Title: Input device button/click not working on fresh Natty Alpha 3 install -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs