http://bugs.winehq.org/show_bug.cgi?id=23839
--- Comment #2 from Xavier Vachon xvachon@gmail.com 2010-07-30 11:54:37 --- Created an attachment (id=29922) --> (http://bugs.winehq.org/attachment.cgi?id=29922) log +devenum +dxdiagn
(In reply to comment #1)
Could you attach a +devenum,+dxdiag log when running Neverwinter Nights 2 with builtin devenum.dll and dxdiagn.dll?
There you go. d3dx9 was installed with winetricks beforehand.
Should you need more, just ask.