1) No idea, I haven't tested it on older releases. BUT, it happens on 16.04! 2) No impact.
** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1538205 Title: Touchpad lock button locks mouse completely on Acer Aspire 7540 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1538205/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs