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Re: [Xen-users] XCP: Support for driver domains

On Sat, Sep 24, 2011 at 8:03 PM, Jason Sonnek <jsonnek@xxxxxxxxx> wrote:
> Thanks, Todd! That appears to address half the problem. That parameter will
> (hopefully) allow me to assign a PCI device to an unprivileged driver
> domain; are you aware of any way to modify the configuration for a DomU so
> that it uses the driver domain as the backend for its virtual device instead
> of Dom0?
> In Xen, if I wanted to use domain X as the backend for a vif attached to
> Domain Y, for instance, I'd specify:
> vif = ['backend=X']
> in Y's configuration file and the network scripts would take care of the
> rest. AFAICT, there is no corresponding parameter for a vif in XCP/xe.

Did you try editing /boot/extlinux.conf so that iommu=1

Can you also check the other debugging steps such as check
/var/log/xensource.log, etc?

The thread I previously sent you to stated that it should work for PV
guests. Can you make sure that the NIC is not in use on dom0 and check
to see if there are any messages in the guest log too?


Todd Deshane

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