Using my simpler testing I found that the problem first started occurring in 15.10
I also noticed this is also when the "Disable while typing" option was removed. I hope this helps, I will be able to test any new upstream releases pretty quickly (Now that I have done it once :) ) ** Tags removed: vivid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1584528 Title: Inspiron 3543 TouchPad cursor jumps to left edge unexpectedly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1584528/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs