[U-Boot] Need Help on *** Warning - bad CRC, using default environment

Heiko Schocher hs at denx.de
Thu Aug 4 13:31:04 CEST 2011


Hello Bala,

Bala Ss wrote:
> Hi,
> 
> I have got this contact from web when I actually searching for some
> solutions to get rid off the issue on "Warning - bad CRC, using default
> environment". And I have gone through the some of the mail thread.
> 
> Am also facing the same issue that when I hard reset the board, U-boot
> starts and stops at line as below *** Warning - bad CRC, using default
> environment. From your mail thread conversation, its almost clear that this
> is due to uninitialization env variables / non-matching CRC, hence it needs
> to be "saveenv". But now the actual problem here is am not getting the
> U-boot prompt (#) to enter uboot commands. As soon as the board hard
> rebooted it comes and hangs at the same line, so not able to enter any
> commands there.
> If anyone can suggest anything that helps to bring up, will be really great.
> Thanks in advance.
> 
> Uboot-logs:
> ===========
> Flash: 16 MB
> NAND:  No NAND device found!!!

I think that your Environment is in NAND, and as there is
no NAND, u-boot couldn;t find an environemnt ...

Please send the u-bot version and on which board you use, so we maybe
can help you!

bye,
Heiko
-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany


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