I have a similar problem but on a MacBook 2,2. Everything was fine until I had the keyboard/mouse replaced, so I suspect although I have an older Mac that I am experiencing the same problem on new Macs. I found the following command fixes the problem:
xinput set-prop appletouch "Synaptics Finger" 9 15 100 The output from lsusb states: Bus 002 Device 002: ID 05ac:021a Apple, Inc. Internal Keyboard/Trackpad (ANSI) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/416516 Title: Touchpad isn't sensitive enough on MacBook 5,2 To manage notifications about this bug go to: https://bugs.launchpad.net/mactel-support/+bug/416516/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
