(sorry for messing up people's threading of this thread but I deleted the original emails since I summarized it already in my rough draft of the next summary) I just created patch #729988 that I think fixes any possible hanging issues with test_logging in regards to it hanging after completing test 3 (its last test). I just switched the lock used from a Condition lock (which I think was sending its 'notify' faster than it took to reach the 'wait' call in the main thread) to an Event lock. It solves the hanging on my OS X box. The reason I didn't apply it is that I don't have much threading experience and I would rather be safe than sorry. I just need someone to sign off on it; I will apply it myself. -Brett