CAN network failures - M8P CB2 EBB42

[cardoc]

@mykepredko

Swapping out parts.

1. You keep going back to the CB1/M8P interface (because of the error message, to be fair) but the 100pin connector interface and USB Hub circuitry is remarkably robust and I don’t think I’ve ever seen a problem here.

Sometimes removing and reinstalling a compute module has profound results. Scroll to the bottom of this recent thread.

Manta M5P not picking up USB devices (i.e. the MCU)

I just got a BTT Manta M5P I ordered and I am trying to flash Klipper to the MCU, but for some reason my board just doesn’t go into DFU mode, or at least it is not showing up on my CB1… I’ve tried everything, holding down the BOOT0 button and the pressing RESET while I have dmesg -HW on my screen in order to see if the USB device gets added, reflashing again and again using a SD card, which seems to work as the LED blinks rapidly and the file on the SD card is renamed to FIRMWARE.CUR. I also fo…