> I'm using Ubuntu 14.04, and this has been happening consistently for the last 5+ years. Might help updating to a modern version of Ubuntu with a modern kerne

> I'm using Ubuntu 14.04, and this has been happening consistently for the last 5+ years. Might help updating to a modern version of Ubuntu with a modern kernel and modern (and less buggy) GPU drivers? Browsers are increasingly using GPU-acceleration these days. If your GPU drivers are buggy, that can probably cause a whole lot of “fun”.