*FACEDESK*
Not another one of these...
See my sig? the big red letters?
here I'll do it for you even
http://www.gamesas.com/index.php?app=core&module=search&do=search&fromMainBar=1
Read my reply in all of those.
the reason quicksaving and quick loading affects it is the dragon is assigned a random state each time, sometimes hostile sometimes not. ITS NOT A BUG the bug they fixed was one where dragons would land and not attack.