This spam message seems to happen on both 10.6 and 10.9, as long as cocoa is being used. It is not related to render buffers, I get it on a simple hello world program.
Still trying to figure out the keyboard input issue which is really the main game-breaking bug.
I cut out my keyboard input code here: [url]Assistance needed testing keyboard input code on OSX 10.9].
I tried updating to the latest source but it appears to no longer compile with Python 2.6 which we are still using.