Firstly, beware I am trying to do this as we speak. I've tried things. Some of them didn't work. But maybe it is just because I don't have a clue.
There are two issues here. One is I don't seem to get a choice as to what DomU I am running. The VM hosting provide couple and I choose one. If I want to work on it locally, I image it and have a fiddle. The essential point being, I can't choose one that suits KVM. On the other hand, if there is some magic way I can make any image run fine under KVM, and back again 100% reliably then I am mostly satisfied. Right now I haven't found that way. As I said, this is possibly because I need a clue.
Secondly, I would like to use the same tools for managing the DomU the hosting provider does - it just makes it so much easier to understand what is going on. In other words, I want to run the xen tools in a Linux Dom0. This is very much a secondary consideration for me though. It is possibly more important from the Xen world domination point of view as you want to make it as easy as possible for the hosting providers, and right now they have to be very picky about what they use as their Dom0.
Currently I can use Linux 2.6.26 as my Dom0. Sadly a big chunk of my peripherals aren't supported by 2.6.26. In fact some aren't stable under 2.6.29 (wireless causes the machine to freeze if I use it heavily), so right now I am eagerly awaiting each new kernel release. But porting the Xen patches to each and every kernel release is simply too much work.
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