Pixhawk Pro lockup after mag cal

[RomanBapst]

I just flashed latest master on a pixhawk v3 pro and noticed the following behavior:

1. Selected airframe -> reboot
2. Calibrated gyro, calibrated accel
3. Did the mag calibration (internal only) and got a message like "Mag 1 fail: TOUT"
   Shortly after the board seemed to lock up (LED was solid red) and QGC lost connection.
   When I rebooted the board the sensors were still calibrated but the airframe parameter was set to 0.
   The second time I tried it everything was ok.

[sanderux]

Can't reproduce on my pixhawk pro

[sanderux]

Manually changing the CAL+MAG_XOFF did indeed crash the FC

[sanderux]

@klopezal could you have a look

[LorenzMeier]

@klopezal Can you re-try this on a current board?

[klopezal]

Can't reproduce with V1.3 modifications, but I'd like to instrument to make sure it is not a hidden problem.

[LorenzMeier]

Since the HW is not widely deployed and its unclear if this still persists moving out to next release.

[davids5]

I suspect this is related to #6740

Was this ever re-tested on V1.2 HW with the jumper on BYPASS_REG to ground?

Please close on receipt and validation of V1.3 HW

[klopezal]

Unable to reproduce on V1.2 with jumper, waiting for V1.3 to validate and close.