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[Chase Douglas <chase.douglas@xxxxxxxxxxxxx>]

That's the definition of "kinetic" scrolling. The scroll has "momentum"
that persists after you stop the scrolling motion. You can hit the
issues outlined in the previous comments whenever you have kinetic
scrolling on. What should be happening is the toolkits should be
performing the momentum calculations, not the x input module. The input
module doesn't know what the state of the cursor, keyboard, or windows
on screen are. However, configuration across toolkits will be needed
before this can be fully realized.

If you want to disable kinetic scrolling for now, do the following:

$ xinput list
Find the id for your trackpad
$ xinput set-prop <device id> "Synaptics Coasting Speed" 0 0

This disables both vertical and horizontal kinetic scrolling.

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-input-synaptics in ubuntu.
https://bugs.launchpad.net/bugs/728643

Title:
  Kinetic scrolling implementation continues to send scroll event after
  physical action has stopped