Something happened to my armbian, I executed rather simple find --execute grep ... troughout the whole sd card, it froze and will not boot any more .. attached a hdmi display (orangepi one is the board in question) and I see it boots the kernel and then just "rebooting..." and reboots and does that in a loop...   on a normal linux running grub bootloader I'd stop the boot and add "single" to the kernel parameters, it will ignore all the boot scripts and after booting the kernel would d