Adding the following to any controller:
causes all requests to hang.
Full scenario: http://intertwingly.net/tmp/live_hang.html#create_company
Thanks @rubys. I think this is a deadlock with the const missing / interlock stuff that @matthewd added. I am able to reproduce and get stack traces, but I'm not sure why we're deadlocking.
Yeah, this is my fault. I'll do a thing.