Printer looses USB connection after PID Tuning

[bratan]

I'm curious if it's a bug of some sorts? Happens on all three M2 REV.E printers I have. When I run PID auto-tune procedure, it always looses USB connection (to Octoprint on RPi3s) at the end of the process. Super easy to replicate. Not a big deal, as I'm able to see values in the log.