I can confirm this on an Acer 5920. According to https://bugs.launchpad.net/hundredpapercuts/+bug/386017 this is an intentional behavior.
The workaround mentioned here and in the link above does not work for me. Synclient -l shows RTCornerButton = 0 and running the workaround results in RTCornerButton = 2 as expected but it still does not work. -- Tapping upper right corner no longer produces middle click in Karmic https://bugs.launchpad.net/bugs/447403 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

