Re: [Xen-devel] [PATCH] qemu-xen-3.4-testing: Fix read-only image file handling

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Jun 07, 2010 at 03:36:44PM +0200, Michal Novotny wrote:
> Well,
> it doesn't seem to be that easy because I can't boot any of the guests.  
> No matter whether HVM or PV.
>
> For PV it's connected with the hotplugging:
>
> # xm create rhel5-32pv
> Using config file "./rhel5-32pv".
> Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

Make sure you have your tun module loaded (yeah, no need for it, but the
qemu-ifup might be touch it). Also you can take a look at
/var/log/xen/xen-hotplug to see what the error is.

> For HVM guests it's: 
.. snip..
>
> # xm create rhel5-32fv
> Using config file "./rhel5-32fv".
> Error: Not enough memory is available, and dom0 cannot be shrunk any further

Try xm mem-set 0 2048 before the start and see if that makes it work.

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