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xen-devel
Re: [Xen-devel] Question on RHEL 6 support
On Thu, Oct 20, 2011 at 04:18:07PM +0530, Alok Sinha wrote:
> Hi,
Hello,
> I am trying to run RHEL 6 as guest over XEN (RHEL 5.6 as host)
> hypervisor.
> It seems that RHEL 6 loads the paravirt drivers by default and thus HVM
> mode is not working.
> Any idea on this?
What do you mean with "HVM mode is not working" ?
PVHVM drivers (for HVM guests) are there to make disk/net performance a LOT
better!
The default qemu-dm emulated ide controller and realtek nic are not very
efficient..
> I saw somewhere that including xen_emul_unplug=never will help. Is
> there any other way it can be avoided?
>
You can also disable the xen platform pci device for that VM from dom0,
then the VM will not activate PVHVM drivers.
-- Pasi
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