Re: [Xen-users] no pci support in xen-3.0.1 with gentoo?

[Bobber Cheng <bobber.cheng@xxxxxxxxx>]

Petersson, Mats wrote:
> > -----Original Message-----
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> > Bobber Cheng
> > Sent: 10 February 2006 11:27
> > To: Kneschke.Lars
> > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-users] no pci support in xen-3.0.1 with gentoo?
> >
> > Kneschke.Lars wrote:
> >     
> > > Bobber Cheng <bobber.cheng@xxxxxxxxx> schrieb: 
> > >   
> > >       
> > > > Any suggestion?
> > > >     
> > > >         
> > > The virtual machine has no PCI devices, until you assign some PCI 
> > > slots to this machine.
> > > And the assignment of PCI slots is also not working in 3.0.1
> > >       
> > So you mean I could not use pci devices such as ethernet 
> > device with xen 3.0.1? if it's true, that's too bad cause a 
> > Linux without network function is nothing.
> >     
> You can certainly get network functionality in DomU - you just can't get
> directly to the actual physical PCI device. 
>
> Generally, the DomU is linked to the rest of the world through a
> "bridge" device - which is just a piece of software that transfers the
> data to Dom0, where Dom0 decides whether it's going to send it to the
> Ethernet card or just transfer it to another domain - or perhaps answer
> itself (in case you ping dom0 for instance). 
>
>   
Could you tell me how to use bridge with xen?
> But if you really want to have direct access to the real hardware from a
> DomU, then you need to use either Xen 2.0.x, or wait for the PCI
> assignment feature in 3.0 to appear - I did see some patches a few days
> ago, but I'm not sure if they are applied to unstable or not. There were
> several comments and a bit of toing and froing on the patch, IIRC. 
>
> --
> Mats
>   
> > Bests,
> > Bobber
> >
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> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >
> >
> >     
>
>
>   

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