Comment 22 for bug 173411

armin's method works. I get vertical scroll and everything.

One caveat. If you use it in tandem with a usb mouse, you can't use the mouse to open the men bar on top. this can be rectified by binding the windows/super key to the menu or clicking with the touchpad. strangely enough, the usb mouse can click within the menu once it is open.

Attached is my working xorg.conf