Description of problem: The cursor jumps a few centimeters ahead while I'm moving it. Its acceleration changes abruptly -- out of nowhere. I tried manually setting a .conf file and also turning a few knobs in touchpad settings on MATE. Changes are effective, but nothing gets rid of this strange behavior. Mouse is unaffected. Only touchpad is affected. How reproducible: Always. Additional info: Running Fedora 26 w/ MATE 1.18.0. Also affected Arch Linux with MATE 1.18.x (could be upstream).
yeah, that's a known issue but haven't figured out a fix for that yet. https://bugs.freedesktop.org/show_bug.cgi?id=100436 is the one I could quickly find but we're seeing these jumps with the old ps2 driver too
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