See also: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/612591 It looks like the ClickPad support is to blame... it treats the middle button as a left or a right, depending on where your finger is.
See also: https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/612591
It looks like the ClickPad support is to blame... it treats the middle button as a left or a right, depending on where your finger is.