I have some problems on the mission : The world eater′s Eyrie, im about to set the dragon free that i captured to fly me to Alduins place, but when i set him free he goes bersek when it says i should talk to him, so cant really do it ;< need some help / hint why this is going bad

You should probably have put this in the spoilers section. And I think it's a quest glitch and you should wait for the patch.

see at the top of the general discussion board about not posting spoilers? the stickied post that is in all caps and red?