I'm seeing this with very different hardware than what John is using, and as such am attaching xinput output as well. (Note that I manually enabled middle-mouse-button emulation to better cope with the issue).
** Attachment added: "mouse-xinput-inspection.txt" http://launchpadlibrarian.net/37728925/mouse-xinput-inspection.txt -- Middle mouse button not detected https://bugs.launchpad.net/bugs/443284 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-evdev in ubuntu. _______________________________________________ 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