Node totlen on flash

[Klemen Medical]

Hi Everyone!

I am using kernel 2.6.17 and mtd 1.0.0. PXA255 and intel flash 16MB.
Everything works fine, but when I start my custom application I get warning 
or error:
Node totlen on flash (0xffffffff != totlen from node ref (0x00000044)

Is this serious problem ? if yes, what could I do ?
I also get warning when I write file larger than 4kB:
Node CRC c369fc78 != calculated CRC 41c8679c for node at 00aa3b58

But I don't see, that would be something wrong with any file !

Thanks for advice!
regards
Klemen