cathery

Try restarting your console

Just tested on 5.1.0 and I can confirm it doesn't work. The method used to detect DS3 specifically doesn't work on this version. You could either update to a newer...

Windows version launches arp internally to get all mac addresses. if that's not compatible with linux i guess you should look for a different solution?

Do you have any other sysmodules running on the system? If yes, does the system boot if you disable all sysmodules except sys-ftpd?

Do you have your SD card formatted as exFAT? It's known to cause random corruptions over time, so if you do, can you format it to FAT32 and check once...

I was initally going to suggest that your system may simply not have enough memory to run the entirety of sys-ftpd (a classic blackscreen on boot problem is running too...