Model Lamobo R1
Firmware Version LEDE Reboot 17.01.4 r3560-79f57e422d / LuCI lede-17.01 branch (git-17.290.79498-d3f0685)
I try to set the root password, but the result is still the same: Unknown Error, password not changed!
All other settings I could set and they works fine (ip adresses, port forwarding)
Tue Nov 7 20:11:16 2017 auth.err passwd: can't create '/etc/shadow+': File exists
Tue Nov 7 20:11:16 2017 auth.err passwd: can't update password file /etc/shadow
Cross check what you have done so far with the password questions that have been answered in the FAQ...
The problem was that ‘/etc/shadow+’ file was existing.
I found similar issue:
I removed this file and set new password by LuCI. It show error again, but however, the password was set correct and now seems all work fine
Just out of curiousity, and because it is mentioned in the stackoverflow page you posted: Can you please post the output of the
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 2560 2560 0 100% /rom
tmpfs 516648 692 515956 0% /tmp
/dev/loop0 257728 72392 169272 30% /overlay
overlayfs:/overlay 257728 72392 169272 30% /
tmpfs 512 0 512 0% /dev