overlayfs for Jetson

[juerg]

@JerryChang I’ve reported the issue in a separate thread. Please note that this isn’t related to OverlayFS and the problem is much larger, /boot/initrd.img appears to be broken on JP 4.5 and newer:

/boot/initrd.img as generated by update-initramfs broken on JetPack 4.6

On a fresh SD-Card initialized with Jetson Nano Developer Kit SD Card Image JP v4.6, I am unable to switch from the default /boot/initrd to /boot/initrd.img, as generated by update-initramfs -u As soon as I change the setting in /boot/extlinux/extlinux.conf as follows, the system is caught in an endless loop during booting: Change from: INITRD /boot/initrd to: INITRD /boot/initrd.dmg Broken boot sequence as seen on TTL serial console (starting at U-Boot): U-Boot 2020.04-g46e46…