Booting from USB Problems (3 replies)

I cant boot Goflex Net from USB.
It stop with the following output error:

U-Boot 2011.12 (Apr 18 2012 - 23:08:20)
Seagate GoFlexNet

SoC: Kirkwood 88F6281_A1
DRAM: 128 MiB
WARNING: Caches not enabled
NAND: 256 MiB
In: serial
Out: serial
Err: serial
Net: egiga0
88E1116 Initialized on egiga0
Hit any key to stop autoboot: 3 ### 2 ### 1 ### 0
(Re)start USB...
................... omissis.....................

Found bootable drive on usb 0:1
Loading file "/boot/uImage" from usb device 0:1 (usbda1)
3154896 bytes read
Loading file "/boot/uInitrd" from usb device 0:1 (usbda1)
7179935 bytes read
## Booting kernel from Legacy Image at 00800000 ...
Image Name: Linux-4.4.0-kirkwood-tld-1
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 3154832 Bytes = 3 MiB
Load Address: 00008000
Entry Point: 00008000
Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at 01100000 ...
Image Name: initramfs-4.4.0-kirkwood-tld-1
Image Type: ARM Linux RAMDisk Image (gzip compressed)
Data Size: 7179871 Bytes = 6.8 MiB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
Loading Kernel Image ... OK
OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.


Error: unrecognized/unsupported machine ID (r1 = 0x00000831).


Available machine support:


ID (hex) NAME

ffffffff Generic DT based system

ffffffff Marvell Kirkwood (Flattened Device Tree)


Please check your kernel config and/or bootloader.

What is wrong.
Many thanks for help