OpenWrt installation failure (3 replies)

I followed this guideline
https://openwrt.org/toh/seagate/goflexhome

for installing OpenWrt on a GoFlex Home unit but unfortunately on reboot it didn't boot OpenWrt :( ...

NAS>> reset


<------> -- NAS EXPLORER --
 _   _     ____              _
| | | |   | __ )  ___   ___ | |_.
| | | |___|  _ \ / _ \ / _ \| __|.
| |_| |___| |_) | (_) | (_) | |_.
 \___/    |____/ \___/ \___/ \__|.
 ** QSI BOARD: NAS-PLUG LE.

U-Boot 1.1.4 (Jun 10 2010 - 08:28:13) Marvell version: 3.4.27
QSI NAS version: 1.0.4

U-Boot code: 00600000 -> 0067FFF0  BSS: -> 006CFB00

Soc: 88F6281 A1 (DDR2)
CPU running @ 1200Mhz L2 running @ 400Mhz
SysClock = 400Mhz , TClock = 200Mhz.

DRAM CAS Latency = 5 tRP = 5 tRAS = 18 tRCD=6
DRAM CS[0] base 0x00000000   size 128MB.
DRAM Total size 128MB  16bit width
Addresses 8M - 0M are saved for the U-Boot usage.
Mem malloc Initialization (8M - 7M): Done
NAND:256 MB
Flash:  0 kB

CPU : Marvell Feroceon (Rev 1)

Streaming disabled.
Write allocate disabled

USB 0: host mode
PEX 0: interface detected no Link.
Net:   egiga0 [PRIME]
Hit any key to stop autoboot:  3 ^H^H^H 2 ^H^H^H 1 ^H^H^H 0.

NAND read: device 0 offset 0x100000, size 0x600000

Reading data from 0x100000 --   0% complete.Reading data from 0x10f000 --   1% complete.Reading data from 0x11e800 --   2% complete.Reading data from 0x12e000 --   3% complete.Read
 6291456 bytes read: OK
## Booting image at 00800000 ...
   Image Name:   Linux-2.6.22.18
   Created:      2010-06-17   5:37:59 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    2095148 Bytes =  2 MB
   Load Address: 00008000
   Entry Point:  00008000
   Verifying Checksum ... Bad Data CRC
NAS>> exit
Unknown command 'exit' - try 'help'
NAS>> ~
[EOT]

Any suggestions as to what happened or what to do?

Does this install require a particular U-Boot to be installed for it to work?

(Apologies if I've posted this in the wrong section)