由于脚本中调用了login程序,而该程序默认不编译到固件中,因此需要选定该软件包,选中menuconfig中的软件包
Base system/busy box/Login
Base system/busy box/Login/Run logged in session in a child process
Base system/busy box/Login/Support for PAM (Pluggable Authentication Modules)
Base system/busy box/Login/Support for login scripts
Base system/busy box/Login/Support for /etc/nologin
Base system/busy box/Login/Support for /etc/securetty