On Wed, Sep 12, 2007 at 03:50:23AM +0100, Daniel P. Berrange wrote:
> Thanks. Mark Johnson pointed out that we get away with a 32-bit
> virt-install right now simply because the hypercall libvirt backend
> fails, and falls back to calling into xend. In general this works well,
> but seems to have at least one issue that means we might need to create
> a 64-bit virt-{install,manager} ...
That's odd - to be able to run a 32-bit userspace on 64-bit HV you must
be running a Xen 3.1 release or later. If using that, then libvirt should
We're using 3.0.4. I believe that virt-install is only using calls that
can be supplied by the xend backend, so the fact that the hypercall
backend doesn't work doesn't matter.
You really want to be letting libvirt use the HV because for calls
such
as listing guests, getting domain stats we get x100 to x1000 lower overheads
from talking to the HV instead of XenD. Talking to XenD you'll quickly see
Right. A 3.1 upgrade is planned soon, and we'll probably just do this to
resolve the issue.
regards,
john