David T. Lewis wrote:
> In any case, I can confirm that this same problem has happened one time
> to me. Unfortunately that I cannot reproduce it in other images, and it
> is hard to figure out what is wrong with the broken image because all the
> debugger windows have the same "red X" failure.

Try moving .sources and .changes out of the way. If it's in any way 
related to source file handling (I'm not convinced of that), this should 
avoid using them.

Cheers,
   - Andreas