Ah, invalidating this bug cause it was caused by user error of blacklisting of i2c_hid module.
** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1386523 Title: After upgrade from Ubuntu 14.04 to 14.10, I can't use touchpad To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1386523/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs