See cleanbb.py below mistakenly killing vi:
Wed May 15 17:52:27.605 [signalProcessingThread] closeAllFiles() finished Wed May 15 17:52:27.605 [signalProcessingThread] journalCleanup... Wed May 15 17:52:27.605 [signalProcessingThread] removeJournalFiles Wed May 15 17:52:27.605 [signalProcessingThread] shutdown: removing fs lock... Wed May 15 17:52:27.605 dbexit: really exiting now cwd [/Users/rassi/work/mongo] num procs:119 killing: 13689 ttys003 0:00.37 vi src/mongo/bson/bson-inl.h num procs:117