Hi I have had this issue on one server but not others, the only difference I can think of being, the one with the issue is running 2.6.32-5-686 and the others are running 2.6.32-5-xen-amd64 -- is the issue related to the lack of support for "activate-noawait" in x86 kernal or something like that?
All the best Chris -- Webarchitects Co-operative http://webarchitects.coop/ +44 114 276 9709 @webarchcoop