search for: unregister_watch

...opportunity to implement suspend and resume in the frontend (and the backend to keep the code equivalent) though this is currently untested. I did a quick bit of testing and managed to mount the USB key again etc but had a few problems with module unload and reload. I think I maybe got hit by the unregister_watch deadlock then, after I killed the FE domain, the new xenbus code gave an error message when I tried to unload and reload the BE. I think there must have been some stale state in the store which was confusing the state machine in the new xenbus code. I''m using this state machine http://li...