nfs挂载文件系统出现Warning: unable to open an initial console.

NET: Registered protocol family 17

s3c2410-rtc s3c2410-rtc: setting system clock to 2062-12-25 21:05:22 UTC (2934306322)

eth0: link down

IP-Config: Unable to set interface netmask (-22).

Looking up port of RPC 100003/2 on 125.217.40.120

eth0: link up, 100Mbps, full-duplex, lpa 0x4DE1

Looking up port of RPC 100005/1 on 125.217.40.120

VFS: Mounted root (nfs filesystem) on device 0:11.

Freeing init memory: 156K

Warning: unable to open an initial console.

在文件系统的/dev目录下面，打开超级终端输入命令
mknod console c 5 1
mknod null c 1 3

之后又出现

VFS: Mounted root (nfs filesystem) on device 0:11.

Freeing init memory: 156K

hostname: permission denied. (are you root?)

mount: permission denied. (are you root?)

mount: permission denied. (are you root?)

mount: mounting none on /proc/bus/usb failed: No such file or directory

mount: permission denied. (are you root?)

/etc/init.d/rcS: line 20: can't create /proc/sys/kernel/hotplug: nonexistent directory

mdev: /sys/block: No such file or directory

mdev: /sys/class: No such file or directory

mount: permission denied. (are you root?)

mount: permission denied. (are you root?)

mount: permission denied. (are you root?)

mount: permission denied. (are you root?)

hwclock: can't open '/dev/misc/rtc': No such file or directory

[19/Nov/1926:14:45:23 +0000] log.c:73 - unable to dup2 the error log: Bad file descriptor

open device leds: No such file or directory

把权限给成

sudo chmod 777 -R rootfs之后成功挂载但是不知道后面是否会出现其它问题

我用的是vivi

[x] format NAND FLASH for Linux

[v] Download vivi

[k] Download linux kernel

[y] Download root_yaffs image

[a] Absolute User Application

Download Nboot for WinCE

[l] Download WinCE boot-logo

[w] Download WinCE NK.bin

[d] Download & Run

[z] Download zImage into RAM

[g] Boot linux from RAM

[f] Format the nand flash

[b] Boot the system

[s] Set the boot parameters

[u] Backup NAND Flash to HOST through USB(upload)

[r] Restore NAND Flash from HOST through USB

[q] Goto shell of vivi

[i] Version: 1026-2K

q之后挂载配置如下，大家可以用作参考

param set linux_cmd_line "console=ttySAC0 root=/dev/nfs nfsroot=125.217.40.120:/home/lxiang/workplace/arm_device_driver/nfs_root/rootfs/ ip=125.217.40.2:255.255.255.0:eth0:off console=ttySAC0,115200 init=/linuxrc"##### FriendlyARM
BIOS 2.0 for 2440 #####