Back out r1.653; it turns out that the race (or at least the printf) is actually not hard to trigger, and it can cause a lot of console spam.
Back out r1.653; it turns out that the race (or at least the printf) is
actually not hard to trigger, and it can cause a lot of console spam.

Approved by:	kan

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase