今天参照文档38.3.1做了一个自己的文件系统，busybox制作，和文档一样操作，但是请看

sn3707 · 发表于 2019-11-22 13:07:43

simcom_wwan 1-1:1.5: wwan0: register 'simcom_wwan' at usb-musb-hdrc.0-1, SIMCOM wwan/QMI device, 3a:74:e6:5e:db:3c
drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
cpsw_slave_open:slave->slave_num=0,slave_port=1
net eth0: CPSW phy found : id is : 0x221619
PHY: 0:00 - Link is Up - 100/Full
IP-Config: Complete:
   device=eth0, addr=192.168.0.15, mask=255.255.255.0, gw=192.168.0.1,
   host=192.168.0.15, domain=, nis-domain=(none),
   bootserver=192.168.0.150, rootserver=192.168.0.150, rootpath=
VFS: Mounted root (nfs filesystem) on device 0:14.
Freeing init memory: 312K
can't run '/etc/init.d/rcS': No such file or directory
can't open /dev/tty4: No such file or directory

为啥文档没有提示到会有红色字体错误，，