On Fri, May 14, 2010 at 09:05:02PM +0100, Ian Tobin wrote:
> Oh right, thats new to me. Ive never had to do that before, is that new to
> the pv_ops?
>
It's not really pvops specific.. it's more about the fact that nowadays all/most
drivers are built as modules - so you need to have an initrd image to load them.
If you compiled all the xen* stuff as static/built-in then you wouldn't need an
initrd..
> Many thanks for the info, you learn something new everyday :)
>
Np.
-- Pasi
> Ian
>
>
> -----Original Message-----
> From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> Sent: 14 May 2010 20:50
> To: Ian Tobin
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] pv_ops Dom0 kernel for DomU?
>
> On Fri, May 14, 2010 at 08:45:03PM +0100, Ian Tobin wrote:
> > Ah ok, what would be the procedure to do that?
> >
> > Thanks
> >
>
> Usually it's best to generate the initrd image in the guest,
> and use the distro provided domU kernel.
>
> If you install the guest using the guest distro installer it'll do it for you
> automatically.
>
> You can also do it from dom0.. example for centos/rhel/fedora:
>
> mkinitrd -v -f --with-module=xenblk --with-module=xennet
> /boot/initrd-domU-version.img <kernelversion>
>
> -- Pasi
>
> > Ian
> >
> >
> >
> > -----Original Message-----
> > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > Sent: 14 May 2010 20:32
> > To: Ian Tobin
> > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > Subject: Re: [Xen-users] pv_ops Dom0 kernel for DomU?
> >
> > On Fri, May 14, 2010 at 08:27:50PM +0100, Ian Tobin wrote:
> > > Ok strange. I have set the DomU config to use the kernel i use for Dom0
> > > and when booting it gets so far to mount the root filesystem and then
> > > complains that it cant load the raid1 module which then says it can't
> > > load md0, md1, md2 and md3 which are my Dom0 software raid disks.
> > >
> > > When i use the 2.6.8.18 kernel the domU boots fine.
> > >
> > > I have in the config to use the initrd.img-2.6.32.12 ram disk but it
> > > doesn't work, am i missing something obvious?
> > >
> >
> > Are you using the dom0 initrd for domU?
> > If you are, you shouldn't.
> >
> > domU needs to have its own initrd that loads drivers for the virtual
> > hardware the Xen guest has..
> >
> > -- Pasi
> >
> > > Thanks
> > >
> > > Ian
> > >
> > >
> > > -----Original Message-----
> > > From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
> > > Sent: 14 May 2010 19:48
> > > To: Ian Tobin
> > > Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> > > Subject: Re: [Xen-users] pv_ops Dom0 kernel for DomU?
> > >
> > > On Fri, May 14, 2010 at 03:08:57PM +0100, Ian Tobin wrote:
> > > > Hi,
> > > >
> > > >
> > > >
> > > > Just wondered if we can use the pv_ops kernel in Jermeys tree for
> > > > linux PV
> > > > domU or do we need to get that one from kernel.org ?
> > > >
> > >
> > > Both will work.
> > >
> > > upstream kernel.org kernels do have basic Xen PV domU support
> > > out-of-the-box.
> > > Jeremy's tree has some additional features, like pcifront/pciback etc,
> > > that are not yet upstream.
> > >
> > > -- Pasi
> > >
> > > >
> > > >
> > > > Thanks
> > > >
> > > >
> > > >
> > > > Ian
> > > >
> > > >
> > > >
> > > >
> > >
> > > > _______________________________________________
> > > > Xen-users mailing list
> > > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > > http://lists.xensource.com/xen-users
> > >
> > >
> >
> >
>
>
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