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Re: [Libvir] <model>e1000</model> - Specifying model in XML Configs



On Tue, Apr 08, 2008 at 09:05:41AM +0100, Richard W.M. Jones wrote:
> On Mon, Apr 07, 2008 at 10:51:56PM +0100, Henri Cook wrote:
> > I just tried to port a few customers over to this libvirt setup i'm
> > hoping to run and I couldn't get their machines started because there's
> > no mechanism to specify a model in the XML!
> > 
> > I know redhat have changed KVM's default driver to e1000, which I think
> > is the one I like the most and almost if not all of my VMs use. Ubuntu
> > haven't done that yet however!
> > 
> > Is there a model directive in the latest version? In the works? Just so
> > I know which solution I should pursue (updating libvirt or harassing
> > ubuntu to change the default)
> 
> There isn't a way to select the model, but there ought to be.  In KVM
> 64 the following NIC models are supported:
> 
>   i82551 i82557b i82559er ne2k_pci pcnet rtl8139 e1000 virtio
> 
> Part of the problem with implementing this will be validating the
> model (unless we just pass the model string directly to qemu which
> could lead to errors).  The documentation suggests running qemu with
> '-net nic,model=?' to list the models, and there is code in
> qemu/hw/pci.c to implement this, but it just doesn't work for me.
> 

Then what happen if you pass a wrong string ? Is there any way to get a
meaningful error back from qemu and report it. Thet would IMHO be quite
better than tracking the evolution of the emulation in QEmu, plus the
added benefit of not being tied to a strict version of QEmu,

Daniel

-- 
Red Hat Virtualization group http://redhat.com/virtualization/
Daniel Veillard      | virtualization library  http://libvirt.org/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine  http://rpmfind.net/


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