Hi I wanna put rootfs on a tiny4412 .I made a rootfs with this instruction: make_ext4fs -s -l 314572800 -a root -L linux rootfs_qtopia_qt4.img rootfs_qtopia_qt4 and now I see this error when my board is booting: switch root : bad init /linuxrc:permission denied ... would you help me how can I correct it ,pleass?