Yang (self)

Recover NVMe SSD /boot by dd if of partition in Pinebook Pro

After happy with Installing a NVMe SSD in the PineBook Pro for a while, the day finally came: the rolling update breaks /boot partition to this look.

Screenshot of mass /book

After lsblk and blkid, golden commands mount and ls came to rescue. They told me the partition is probably gone, but the root disk looked fine. So? I did these with few possible solutions here:

dd if=/dev/mmcblk2p1 of=boot_backup.img
dd if=boot_backup.img of=/dev/mmcblk1p1
mount /dev/mmcblk1p1 /mnt
# Write back NVMe PARTUUID shown by `blkid`
vim /mnt/extlinux/extlinux.cfg

My SSD Pinebook Pro booted back! What a memorial day.