I have a 4 GB BeagleBone Black, and a 64 GB microSD card that I am using to flash it. I set up the microSD card to be a flasher via sudo enable-beagle-flasher
During flashing, suddenly all four lights start flashing synchronously (see the below video):
From https://groups.google.com/g/beagleboard/c/AAejELmNoHg it seems like this means I ran out of space. Is that interpretation correct?