Prearm: internal errors 0x400 due to multiple GPS on the CAN bus?

ArduCopter Copter 4.0
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image722×541 150 KB

Hey all! This message prevented a client from flying today. I’ve heard it’s due to an error in the CAN code? Any help or suggestions appreciated. I’m running the latest master. Would it be ok to disable the system prearm check, or too risky?

mRo Location one GPS x2
hereflow
mRo control zero
Punkin final.param (17.3 KB)

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Please supply the dataflash log for this flight. We have additional
diagnostics in master recently, so hopefully your log will sort this :slight_smile:

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@peterbarker Well of course the bug didn’t come up, and we just get the prearm - yaw inconsistent now. Here’s the log from that.