Virtualizer's stability

[Technologov]

After opening several bugs of different applications crashing under different guest OSes, a new question arises:

Is there any *universal* way to make virtualizers stable ? VMware stability is significantly highter than VirtualBox's - that's a fact - but why ? What magic they did on their product ? Can we do the same ?

I thought hardware-virtualization (Vanderpool-capable CPU) is silverbullet, the ultimate problem solution, with ultimately stable results, but after testing KVM, I know that it's not true. It has it's own share of bugs.

See bugs:
http://www.virtualbox.org/ticket/481
http://www.virtualbox.org/ticket/241

So - how to make _very stable_ virtualizer ?

-Alexey "Technologov"