ZyXEL NSA325 booting problem (2 replies)

I have a serial cable and trying to boot from USB because of impossible
to boot from NAND after flashed uboot.2016.05-tld-1.nsa325.bodhi.tar
USB was formatted as ext4 with boot flag and rootfs label, then just copied
a content from Debian-4.4.0-kirkwood-tld-1-rootfs-bodhi.tar.bz2

U-Boot 2016.05-tld-1 (Jun 12 2016 - 13:48:40 -0700)
ZyXEL NSA325 2-Bay Power Media Server

SoC: Kirkwood 88F6282_A1
DRAM: 512 MiB
WARNING: Caches not enabled
NAND: 128 MiB
*** Warning - bad CRC, using default environment

In: serial
Out: serial
Err: serial
Net: egiga0
MV88E1318 PHY initialized on egiga0
Hit any key to stop autoboot: 0
starting USB...
USB0: USB EHCI 1.00
scanning bus 0 for devices... 3 USB Device(s) found
scanning usb for storage devices... 1 Storage Device(s) found

Partition Map for USB device 0 -- Partition Type: DOS

Part Start Sector Num Sectors UUID Type
1 2048 122912768 000dc84e-01 83 Boot
loading envs from usb 0 ...
** File not found /boot/uEnv.txt **
3154896 bytes read in 311 ms (9.7 MiB/s)
7179935 bytes read in 501 ms (13.7 MiB/s)
## Booting kernel from Legacy Image at 00800000 ...
Image Name: Linux-4.4.0-kirkwood-tld-1
Created: 2016-02-19 5:55:25 UTC
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
Created: 2016-02-19 7:33:04 UTC
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
Using machid 0x118f from environment

Starting kernel ...

Uncompressing Linux... done, booting the kernel.

Error: unrecognized/unsupported machine ID (r1 = 0x0000118f).

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.