Ubuntu boots but Xen hypervisor doesn't

[Steven Grace]

On 04/17/2013 04:00 PM, Aaron Dewell wrote:
>
> Having a problem with installing Xen on a server.  I have 13.04
> successfully running already, but when I try to boot the Xen 4.2
> Hypervisor, I get:
>
> WARNING! No console will be available to OS
>
> amongst the various grub boot messages (after "loading xen" and
> before "loading linux").
>
> This is on a Mac Mini, and I'm using grub-efi (which boots fine and
> is working).  I wouldn't mind removing the hybrid partition table at
> some point, but it's working for now and I'm less motivated due to
> that.  This also happened with 12.10 so I re-installed with raring
> (also the amd64+mac version) to see if it would work any better.
>
> I have the expected 6 options in my grub menu (Ubuntu, advanced, Xen,
> advanced, macos-32, macos-64).  The default Ubuntu works fine, boots
> quickly, gets a DHCP address and I can SSH in.  The Xen entry never
> boots dom0 I believe, though hard to confirm that because the display
> goes black and shows nothing.
>
> This Mini is in a rackmount chassis and is intended to be headless,
> so I don't actually care that the console won't work except that I
> can't reach dom0 over the network.  If I could SSH in and start
> configuring my VMs, I'd be happy.
>
> Any suggestions appreciated!  Thank you!

I'm not an expert on Xen but I believe I read something a few days ago 
that the message you're seeing can be eliminating by adding a boot 
parameter. Unfortunately I don't have a link and don't remember the details.