Just upgraded to the new Jessie image 4.4.1.

Is there any concern with this bad CRC  warning?

Do I need to update the u-boot.img? If so, how.

 

U-Boot SPL 2013.10-rc4 (Feb 03 2016 - 16:37:42)
Boot Device: SD1
spl: error reading image u-boot.img, err - -1
Load image from RAW...


U-Boot 2013.10-rc4 (Feb 03 2016 - 16:37:42)

CPU:   Freescale i.MX6Q rev1.5 at 792 MHz
Reset cause: POR
Board: MX6-CuBox-i
DRAM:  2 GiB
MMC:   FSL_SDHC: 0
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Net:   FEC [PRIME]
Hit any key to stop autoboot:  0
mmc0 is current device
** File not found /boot.scr **
** File not found /uEnv.txt **
** File not found /zImage **
** File not found /uImage **
563 bytes read in 131 ms (3.9 KiB/s)
Running bootscript from mmc ...
## Executing script at 10800000
33996 bytes read in 252 ms (130.9 KiB/s)
4325272 bytes read in 342 ms (12.1 MiB/s)
Kernel image @ 0x10800000 [ 0x000000 - 0x41ff98 ]
## Flattened Device Tree blob at 18000000
   Booting using the fdt blob at 0x18000000
   Using Device Tree in place at 18000000, end 1800b4cb

Starting kernel ...

Uncompressing Linux... done, booting the kernel.

Debian GNU/Linux 8 cubox-i ttymxc0

cubox-i login

That's perfectly OK

http://www.denx.de/wiki/view/DULG/WarningBadCRCUsingDefaultEnvironment

Thanks for the quick response.