I just got my main save to the Battle for Hoover Dam. So far everything worked fine but the first time I played the battle it wouldnt stop loading when trying to go to that control room place or whatever(Im doing the Yes Man thing). I waited a few hours and started playing again and restarted the BfHD and going into the control place worked and everything worked fine. I got into the Legate Camp or whatever and I had to save and get off. A few hours after that I tried loading up the save in Legate Camp but it just wouldnt stop loading. I haven't tried playing again for a while, I just posted this cause I wondered if anyone else had this problem.

I've had the 'endless loading' problem a couple of times in the game, although after rebooting and trying again it was fine, but not at the end point - although it did freeze once in Legate Camp.
Hopefully the new patch (not sure if it's out yet) may help ...

Sorry - I'm playing on 360, but the issues are probably the same.