U-Boot 2015.01 (Jan 28 2015 - 13:06:01) Allwinner Technology

CPU:   Allwinner A20 (SUN7I)
I2C:   ready
DRAM:  2 GiB
MMC:   SUNXI SD/MMC: 0
*** Warning - bad CRC, using default environment

Reserved 8192kB of RAM for Framebuffer.
In:    serial
Out:   serial
Err:   serial
SCSI:  SUNXI SCSI INIT
Target spinup took 0 ms.
AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
flags: ncq stag pm led clo only pmp pio slum part ccc apst
Net:   dwmac.1c50000
(Re)start USB...
USB0:   USB EHCI 1.00
scanning bus 0 for devices... 1 USB Device(s) found
USB1:   USB EHCI 1.00
scanning bus 1 for devices... 1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot:  0
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0...
Found U-Boot script /boot.scr
reading /boot.scr
377 bytes read in 22 ms (16.6 KiB/s)
## Executing script at 43100000
reading uImage
Error reading cluster
** Unable to read file uImage **
SCRIPT FAILED: continuing...