You have mounted /overlay and a different overlay fs (sizes differs). That is very strange! Better you start from the top with a clean installation and then just follow exactly the guide in the Wiki.
Kind regards, Johannes Morgenroth
Am 30.01.2014 16:36, schrieb Theodoros Bourchas:
root@OpenWrt:~# df Filesystem 1K-blocks Used Available Use% Mounted on rootfs 1088 1040 48 96% / /dev/root 2048 2048 0 100% /rom tmpfs 14608 764 13844 5% /tmp tmpfs 512 0 512 0% /dev /dev/mtdblock3 7822336 916 7821420 0% /overlay overlayfs:/overlay 1088 1040 48 96% / /dev/sda1 7822336 916 7821420 0% /overlay