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如何利用NFS网络挂载ROOTFS根文件系统?
将uboot的bootargs设置为
setenv bootargs console=ttyS0,115200n0 noinitrd rw root=/dev/nfs ip=192.168.1.108 nfsroot=192.168.1.100:/rootfs,nolock mem=30M
并且在内核中开启了root file system on nfs选项,但仍旧不能从网络上启动根文件系统?哪位大侠可以指教一下?
出现的错误情况:
......
Looking up port of RPC 100003/2 on 192.168.1.100
RPC: sendmsg returned error 128
portmap: RPC call returned error 128
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 192.168.1.100
RPC: sendmsg returned error 128
portmap: RPC call returned error 128
Root-NFS: Unable to get mountd port number from server, using default
RPC: sendmsg returned error 128
mount: RPC call returned error 128
Root-NFS: Server returned error -128 while mounting /tftpboot/rootfs
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
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) |
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