Malcolm - I believe XenServer 6 is the first version to be certified with Lucid (10.04) as a DomU. Are you at liberty to test that version pairing? Then if 11.10 doesn't work as a DomU then we need to have a look. 11.10 should also work as a Dom0 on XS 6.
Malcolm - I believe XenServer 6 is the first version to be certified with Lucid (10.04) as a DomU. Are you at liberty to test that version pairing? Then if 11.10 doesn't work as a DomU then we need to have a look. 11.10 should also work as a Dom0 on XS 6.