I decided to give KDE a shot again after over a decade running minimal window managers, and while I really like the interface, it occasionally just freezes the

I decided to give KDE a shot again after over a decade running minimal window managers, and while I really like the interface, it occasionally just freezes the entire system for multiple seconds at a time. Screen stops updating, mouse and keyboard don't do anything. This is on an i7 laptop with 16 GB of memory. This never happened under StumpWM.