Uh oh, the certification problems seem to have hit me. I was an Apprentice until just recently, but now I'm down to an Observer.
In other news, source to the K42 operating system has been released. K42 is a highly scalable 64-bit OS designed for NUMAs and large SMPs. It is binary compatible with Linux (i.e. it runs Linux apps), although only mips64 and ppc64, which are pretty rare. Mind the disclaimer, though: "Please recognize this is still a very early version of the source and much has changed since we constructed this tar file, and much needs to change before it is ready general use."