http://forum.ppcgeeks.com/showthread.php?t=93959
same thing, and as i was about to post this, bamm, i hit 10min, and it went down again.
One thing i am wondering is the new facebook sync with the contacts. I am not running a backup of any sort.
EDIT: It is still happening every 10min with the wifi connected. For me, all i do is leave the phone alone, and re-connect the laptop to the phone and everything is back running normally. Rather irritating!