Hi Daan, I've test 4.4.1 with the systemvm from bac.o[1] on xenserver and it's working better than 4.4.0 so far. no more pause issue, version is correct, java as well.
[1] http://jenkins.buildacloud.org/view/4.4/job/cloudstack-4.4-systemvm64/87/ Pierre-Luc