The document discusses issues encountered while debugging a problem with the Plex application blowing up on a system using LX zones. It appears the application's unit tests were bailing out and the author was not any closer to knowing what was broken. They tried using madvise(2) calls like MADV_DONTNEED and MADV_WTF but had the wrong semantics. The man page for madvise needed clarification. At one point they exclaimed "Tru64?!" likely referring to an old operating system.