At least people from various kernel QA departments started to talk to each other in a last year or so. I suppose that there is enough funding already but the real problem is that every company works more or less in isolation. Maybe we can solve that with standard interfaces and components so that each company can plug in a hardware they care for into a virtual kernel testing lab, at least that seem to be a way things started to move slowly on. The problem now is that the problem is complex and as far as I can tell there is no significant manpower behind it.