[Haskell-cafe] "Segmentation fault/access violation" when working with FFI

Hi, I has trying to use the portaudio [1] package to play some sound, and running the examples [2] and it results in the "Segmentation fault/access violation" error. Any idea? Thanks. [1] http://hackage.haskell.org/package/portaudio [2] https://github.com/sw17ch/portaudio/blob/master/examples/Example1.h