Quote:
Originally Posted by Alan Anderson
The vast majority of teams don't see this problem, but it's very frustrating for the few who do. It seems to be an interaction with specific roboRIOs. The team I helped with it couldn't/wouldn't move the Ethernet connector (they didn't want to change the way the radio was mounted). They eventually replaced the roboRIO and the problem went away.
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We thought the same thing on the field. Many robots had it plugged into the same port and worked, but this one absolutely refused. Seems weird that only a handful act up.
I actually misread the post - the OP is talking the comms light on the rio itself (I think). The one we had problems with wouldn't even have link lights on the ethernet connection light up - even if we unplugged the cable and reseated it. It seemed so much like a hardware problem, but the minor inconvenience of rebooting was better than trying to swap a rio. Then we tried the other radio port and the problem went away. Absolutely baffling that some work, some don't, even with the same firmwares all around.