The bug affects me as well, same machine. In the mean time, to avoid rebooting, you can reload the module, as super user: modprobe -r psmouse modprobe psmouse This fix the problem for me.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1722478 Title: Two-finger scrolling no longer works after resuming from suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1722478/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
