nfs 挂载

djtpaopao

我用的是飞凌的ok6410开发板
尝试着挂载nfs但是但完成最后一步的时候出现了一下错误
mmc0: new high speed SD card at address b368
mmcblk0: mmc0:b368 SMI   960 MiB
mmcblk0: p1
eth0: link down
IP-Config: Complete:
     device=eth0, addr=192.168.0.232, mask=255.255.255.0, gw=192.168.0.201,
     host=witech, domain=, nis-domain=com.cn,
     bootserver=192.168.0.231, rootserver=192.168.0.231, rootpath=
Looking up port of RPC 100003/2 on 192.168.0.231
eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1
Looking up port of RPC 100005/1 on 192.168.0.231
Root-NFS: Server returned error -13 while mounting /forlinux/root
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "nfs" or unknown-block(2,0)
Please append a correct "root=" boot option; here are the available partitions:
1f00             256 mtdblock0 (driver?)
1f01            3840 mtdblock1 (driver?)
1f02           81920 mtdblock2 (driver?)
1f03          176128 mtdblock3 (driver?)
b300          983040 mmcblk0 driver: mmcblk
  b301          982912 mmcblk0p1
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
请问高手应该如何解决