BeagleboardxM Rev[C] booting over NFS.linux-3.2.0

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hello All !

i am trying to boot my kernel-3.2.0 with NFS, but after a lot of
efforts i m not being able to;
Folowing are the details, all i have,please help me why i cant have
NFS in my beagleboardxM RevC.

host side: Ubuntu10.10
     NFS: nfs-kernel-server
     DHCP: dhcp3-server
     PORTMAP
    /etc/exports/:/tftpboot *(rw,sync,no_root_squash)
    /etc/dhcp3/dhcpd.conf: ddns-update-style none;
         option domain-name-servers 61.0.0.5,61.1.96.69,61.1.96.71
         default-lease-time 600;
         max-lease-time 7200;
        subnet 192.168.1.0 netmask 255.255.255.0 {
        option routers 192.168.1.10;
        option subnet-mask 255.255.255.0;
        }
        host anas {
            hardware ethernet 6c:f0:49:f3:b2:af;
            fixed-address 192.168.1.10;
            option host-name "anas";
            next-server 192.168.1.4;
            #filename "/tftpboot/uImage";
          }

        authoritative;
        log-facility local7;
************************************************************************************************
uEnv.txt:

usbethaddr=00:E0:4C:53:44:58
ethaddr=00:E0:4C:53:44:58
bootfile=uImage
loadaddr=80200000
hostname=anas
serverip=192.168.1.10
ipaddr=192.168.1.3
autoload=no
autostart=yes
dhcp=on
bootdelay=5
baudrate=115200
stdin=serial
stdout=serial
stderr=serial
nfsargs=setenv bootargs root=/dev/nfs nfsroot=192.168.1.10:/tftpboot
console=ttyO2,115200 rw

loadkernel=usb reset; tftp ${loadaddr} ${bootfile}
uenvcmd=run loadkernel;run nfsargs;bootm ${loadaddr}
************************************************************************************************

# boot
screenshot
U-Boot SPL 2011.12 (Jan 23 2012 - 18:42:29)
Texas Instruments Revision detection unimplemented
OMAP SD/MMC: 0
timed out in wait_for_bb: I2C_STAT=1000
reading u-boot.img

U-Boot 2011.12 (Jan 23 2012 - 18:42:29)

OMAP3630/3730-GP ES1.2, CPU-OPP2, L3-165MHz, Max CPU Clock 1 Ghz
OMAP3 Beagle board + LPDDR/NAND
I2C: ready
DRAM: 512 MiB
WARNING: Caches not enabled
NAND: 0 MiB
MMC: OMAP SD/MMC: 0
*** Warning - readenv() failed, using default environment

In: serial
Out: serial
Err: serial
Beagle xM Rev C
No EEPROM on expansion board
Die ID #08aa00029ff80000016830101600800a
Net: Net Initialization Skipped
No ethernet found.
Hit any key to stop autoboot: 0
The user button is currently NOT pressed.
SD/MMC found on device 0
reading uEnv.txt

570 bytes read
Loaded environment from uEnv.txt
Importing environment from mmc ...
Running uenvcmd ...
(Re)start USB...
USB: Register 1313 NbrPorts 3
USB EHCI 1.00
scanning bus for devices... 3 USB Device(s) found
        scanning bus for storage devices... 0 Storage Device(s) found
        scanning bus for ethernet devices... 1 Ethernet Device(s) found
Waiting for Ethernet connection... done.
Using sms0 device
TFTP from server 192.168.1.10; our IP address is 192.168.1.4
Filename 'uImage'.
Load address: 0x80200000
Loading:
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          ##########################################
done
Bytes transferred = 3540352 (360580 hex)
## Booting kernel from Legacy Image at 80200000 ...
    Image Name: Linux-3.2.0
    Image Type: ARM Linux Kernel Image (uncompressed)
    Data Size: 3540288 Bytes = 3.4 MiB
    Load Address: 80008000
    Entry Point: 80008000
    Verifying Checksum ... OK
    Loading Kernel Image ... OK
OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
[ 0.000000] Booting Linux on physical CPU 0
[ 0.000000] Linux version 3.2.0 (root@anas) (gcc version 4.6.1
(Sourcery CodeBench Lite 2011.09-2
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7),
cr=10c53c7d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
instruction cache
[ 0.000000] Machine: OMAP3 Beagle Board
[ 0.000000] Memory policy: ECC disabled, Data cache writeback
[ 0.000000] OMAP3630 ES1.2 (l2cache iva sgx neon isp 192mhz_clk )
[ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/400/600 MHz
[ 0.000000] PERCPU: Embedded 8 pages/cpu @c101e000 s10272 r8192
d14304 u32768
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on.
Total pages: 130048
[ 0.000000] Kernel command line: root=/dev/nfs nfsroot=/tftpboot rw
console=ttyO2,115200 rootwai1

Your NFS root is probably somewhere else (not in /tftpboot) !

-- Bas