xenstore appears to be broken too. I'm hosed and lost. Other services/items are acting up too, including smartd and hotplug. Going to backup dev'd domUs, reformat drives and reinstall base Centos Xen Virtualization. [root at dom0 ~]# xenstored [root at dom0 ~]# FATAL: Failed to initialize dom0 state: Invalid argument full talloc report on 'null_context' (total 96 bytes in 3 blocks) struct domain contains 96 bytes in 2 blocks (ref 0) /local/domain/0 contains 16 bytes in 1 blocks (ref 0)