Can't compile APM myself -- PANIC: failed to take bus->sem 100 times in a row, in APCompass_AK8963

@cstracq2 wrote:

I was having issues, so I reimaged my disk with the rpi linux given. I have the navio+ board and the RPi2ModelB. I cloned the github and did all of the steps directly on my pi as listed in these instructions: http://docs.emlid.com/navio/Navio-APM/building-from-sources/
I downloaded 4.8.4 of gcc, and update the find_tools.mk file as suggested.
After make navio I received the messahe Firmware is in ArduCopter.elf

The way to run the APM as listed in the basic instructions (sudo ArduCopter-quad -A ...) no longer works here, and as suggested above, I instead tried sudo ./ArduCopter.elf -A udp:GCSIP:14550 which returned the same error message again of PANIC: failed to take bus->sem 100 times in a row, in APCompass_AK8963

If there is a known reason or a solution to this, please let me know. Thank you!!

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