挂载NFS：can't open /dev/tq2440_serial0: No such file or directory

为什么？
跟着手册一步步做的 网线连了（交换机上指示灯都亮了）；
NFS开启且防火墙关了；
为什么

手册上最后
Looking up port of RPC 100003/2 on 192.168.1.58
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
Looking up port of RPC 100005/1 on 192.168.1.58
VFS: Mounted root (nfs filesystem) on device 0:11.
Freeing init memory: 188K
hwclock: settimeofday: Invalid argument
[01/Jan/1970:00:00:07 +0000] boa: server version Boa/0.94.13
[01/Jan/1970:00:00:07 +0000] boa: server built Jul 29 2009 at 14:27:34.
[01/Jan/1970:00:00:07 +0000] boa: starting server pid=605, port 80
Please press Enter to activate this console.                                随后就启动了



我的是：Looking up port of RPC 100003/2 on 192.168.7.110
eth0: link up, 100Mbps, full-duplex, lpa 0x4DE1
Looking up port of RPC 100005/1 on 192.168.7.110
VFS: Mounted root (nfs filesystem) on device 0:11.
Freeing init memory: 240K
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
can't open /dev/tq2440_serial0: No such file or directory
为什么

楼主用的是光盘中的文件系统吗？

是的  重新烧写zImage和root_pda之后还是这个样子