Re: [Xen-users] How to use the PV driver for Linux HVM domU?

["Zhi Wang" <xenlando@xxxxxxxxx>]

I think virtio is supposed to support both Xen and KVM, in the future probably.

I tried the pv driver (xen-3.3.0/unmodified_driver/linux-2.6). I use 2.6.18.8 also
in the HVM domU. The PV network driver is OK. I compiled it, removed the old
8139cp driver, then insmod the xen-vnif.ko driver. I can still get online. 
Xen-3.3.0's PV drivers have some difficult to build on the 2.6.27.3 kernel. I 
didn't try other kernels.

On Wed, Oct 29, 2008 at 1:59 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

On Tue, Oct 28, 2008 at 11:07:59PM -0400, Zhi Wang wrote:
> Hi,
> I am trying to enable the PV driver for Linux HVM. dom0 is CentOS5.2, domU
> is a hvm Ubuntu server
> 8.04. I rebuild the kernel with 2.6.27.3, with all the unnecessary drivers
> removed. I noticed that there
> is a virtio driver for network/block device/balloon. I build these drivers
> as modules, and try to enable
> the virtio_net driver. I played with several combinations of vif=[...] but
> still no luck. Either there is no
> ethernet controller or it is the realtek 8139c. I am wondering if any one
> has some experience to enable
>  PV driver for a Linux HVM domU. Thanks
>

Hi.

I thought virtio drivers are for KVM, not for Xen.

You need Xen pv-on-hvm drivers..

-- Pasi

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