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xen-users
[Xen-users] RE: run domU w/ higher kernel version as dom0
>From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
>[xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Thomas Pöhler
>[tp@xxxxxxxxxxxxxxxxxxxxxxx]
>Sent: 22 September 2011 18:40
>To: xen-users@xxxxxxxxxxxxxxxxxxx
>Subject: [Xen-users] run domU w/ higher kernel version as dom0
>
>Hey folks,
>
>Currently I am running a domU with 2.6.26-2-xen-amd6 on a 2.6.18-5-xen-amd64
>host. I didn’t expect it to work but atm it runs without errors.
>Am I right when saying that this will only be a problem if certain xen calls
>are made which are available to the child but are not in the host? Do I have
>to expect an unstable DomU?
>Thanks for helping me understand.
>
>Regards
>Thomas
Hi there,
looks like the DomU is Debian Lenny. :) There's no issue with different DomU
and Dom0 kernels. Xen is baremetal hypervisor and that means that all DomUs and
also Dom0 are virtualized. DomUs talk to hypervisor, not to the privileged
Dom0. Privileged Dom0 is for Xen hypervisor to communicate with actual hardware
in computer. As far as you don't stumble on any bugs , you should be OK!
Regards
Matej
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