I started xpinut to show the events, the attached is a series of events when this jump happens (around the last 5 or 10 events, it's very difficult to pinpoint the exact place).
The command I used is: xinput --test "SynPS/2 Synaptics TouchPad" ** Attachment added: "pad_events.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614265/+attachment/4723042/+files/pad_events.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614265 Title: Mouse pointer shows to the bottom on the screen on some pad touchs To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614265/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs