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@hexdump i installed latest ubuntu - armbian on sd card;

then i shrinked original partition rootfs; created now one; copied data from shrinked to the new one. And i want to boot from that new one.


ie if sd card was 


now its

sdf1 (old rootfs)

sdf2 (new rootfs)


And i want make uboot boot from sdf2




i think

boot/boot.scr has to be also updated ?


setenv devnum "0"
setenv rootdev "/dev/mmcblk${devnum}p1"


i believe uboot has to be somehow recompiled to point to /dev/mmcblk0p2 instead of /dev/mmcblk0p1

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