DHCP problem

["Srivatsan" <srivatsan@deccanetworld.com>]

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Hi all,
 
    I am having a MPC8280 based Freescale evaluation board (A & M
rattler) running U-boot. It is successfully getting the ip address using
DHCP. (in Uboot).
 
When I am trying to boot the board with Linux, it continuously sends
DHCP request. The boot args which I am giving are:
 
bootargs=root=/dev/nfs nfsroot=10.203.105.123:/tftpboot/ppc_root ip=on
 
Linux Boot sequence problem at:
ide: Assuming 50MHz system bus speed for PIO modes; override with
idebus=xx
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 1024 bind 2048)
Sending DHCP requests ...... timed out!
IP-Config: Retrying forever (NFS root)...
Sending DHCP requests ...... timed out!
IP-Config: Retrying forever (NFS root)...
Sending DHCP requests ...... timed out!
 
If bootargs is set as follows:
bootargs=root=/dev/nfs nfsroot=10.203.105.123:/tftpboot/ppc_root
ip=10.203.105.1
18:10.203.106.3:10.203.105.1:255.255.255.128:rattler:eth0:off
 
Linux boot sequence problem at:
IP-Config: Complete:
      device=eth0, addr=10.203.105.118, mask=255.255.255.128,
gw=10.203.105.1,
     host=rattler, domain=, nis-domain=(none),
     bootserver=10.203.106.3, rootserver=10.203.105.123, rootpath=
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
Looking up port of RPC 100003/2 on 10.203.105.123
portmap: server 10.203.105.123 not responding, timed out
Root-NFS: Unable to get nfsd port number from server, using default
Looking up port of RPC 100005/1 on 10.203.105.123
portmap: server 10.203.105.123 not responding, timed out
Root-NFS: Unable to get mountd port number from server, using default
 
 
The system is not able to get the DNS domain name properly. Can anybody
tell me why is this happening? When I switched on ETHEREAL I am able to
see a DHCP discover packet corresponding to my targets MAC address. Any
pointers would be highly appreciated.
 
With Regards,
C.R.Srivatsan
 
 
 
 
 

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