[ts-7000] Boot to NFS root file system

["guibiao" <>]

Hi, I tried to boot my TS-7260 board to NFS root file system from 
reboot as:

fis load vmlinux
exec -c "console=ttyAM0,115200 ip=192.168.0.50 
nfsroot=192.168.0.1:/exports/tsroot

but, I got an error message as following. Can anybody please help 
me? Thanks!

Guibiao


Creating 3 MTD partitions on "NAND 32MiB 3,3V 8-bit":
0x00000000-0x00004000 : "TS-BOOTROM"
0x00004000-0x01d04000 : "Linux"
0x01d04000-0x02000000 : "RedBoot"
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 4096 bind 8192)
enable_irq(39) unbalanced from c02cd254
IP-Config: Guessing netmask 255.255.255.0
IP-Config: Complete:
      device=eth0, addr=192.168.0.50, mask=255.255.255.0, 
gw=255.255.255.255,
     host=192.168.0.50, domain=, nis-domain=(none),
     bootserver=255.255.255.255, rootserver=192.168.0.1, rootpath=
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NetWinder Floating Point Emulator V0.97 (double precision)
Looking up port of RPC 100003/2 on 192.168.0.1
Looking up port of RPC 100005/1 on 192.168.0.1
Root-NFS: Server returned error -13 while mounting /exports/tsroot
VFS: Unable to mount root fs via NFS, trying floppy.
VFS: Cannot open root device "" or 02:00
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 02:00








 
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