We found some cases in the field that some Nano boxes rebooted unexpectedly by software reset.
terminal emulator log
And then, on one of such devices, the reason (at least one of) was found as below.
As you can see, it says “GPU has disappeared from bus!!”.
There are a couple of similar posts here in the forum, but which were about desktop GPUs, not Jetson. Yet, anyway, they were about GPU temperature. So, I double checked the GPU temperature, and which was way below the threshold, 34 degrees Celsius in the most recent case (reported by tegrastats).
L4T is r32.3.1, running on a Nano carrier board, with our own LTE module (SIMCOM/Telit).
I would appreciate if I get some points we should check especially from the hardware design point’s of view.