USB ports going away during match

[MrForbes]

We had an interesting issue this weekend with our driver controls dropping out. Things had been working well previously, we attended the San Antonio regional and had only one instance that I can remember of the controllers (Logitech Gamepads) not working, we unplugged them and plugged them back in and they were fine. But this weekend at Arizona, they started acting up Friday afternoon, where they would appear to be connected, then just after the match started one or both would "go away". Sometimes they came back with a USB Rescan, other times they needed to both be unplugged and reconnected.

The problem got worse late Saturday, in our final few matches we had to Rescan several times during the match to keep driving.

There was one code change before the issue started Friday, we added a vi module to make one of the buttons act as a toggle.

Each gamepad is connected to a "real" USB port on the DS laptop, there is no external hub. The laptop is on it's 3rd year, and has been working well.