*** Warning - bad CRC or NAND, using default environment

hello everyone,
     i found a strange behavior after creating "nand createbbt" and loading
u-boot later, upon checking for mtdparts i can view my nand partition, but
on uboot bootup it says  Flash is 0kb, plz guys help me.

U-Boot 1.3.2-mini2440 (Mar 17 2012 - 07:49:00)

I2C:   ready
DRAM:  64 MB
NOR Flash not found. Use hardware switch and 'flinit'
Flash:  0 kB
NAND:  Bad block table not found for chip 0
Bad block table not found for chip 0
1024 MiB
*** Warning - bad CRC or NAND, using default environment

USB:   S3C2410 USB Deviced
In:    serial
Out:   serial
Err:   serial
MAC: 08:08:11:18:12:27
Hit any key to stop autoboot:  0
MINI2440 #

i have also been thro other post which is similar but the only difference i
found is 

in my case is shows:
I2C:   ready
DRAM:  64 MB
NOR Flash not found. Use hardware switch and 'flinit'
Flash:  0 kB
NAND:  Bad block table not found for chip 0
Bad block table not found for chip 0
1024 MiB
*** Warning - bad CRC or NAND, using default environment

In Others Post:
I2C:   ready
DRAM:  64 MB
Flash:  2 MB
NAND:  Bad block table not found for chip 0
Bad block table not found for chip 0
128 MiB
*** Warning - bad CRC or NAND, using default environment


plz guys help me wit this..

Hi guys!

I have the same problem on mini2440:

U-Boot 1.3.2-mini2440 (Oct  6 2009 - 12:51:09)

I2C:   ready
DRAM:  64 MB
Flash:  2 MB
NAND:  128 MiB
Found Environment offset in OOB..
*** Warning - bad CRC or NAND, using default environment

How to solve?

Auto Reply:

Fixed saving boot parameters. 

cheers!

What?...
please elaborate

'Fixed saving boot parameters' ?????

don't be afraid to get technical

I also have same problem. Kindly reply. Is this a problem with nand flash,
corrupt or bad nand flash.