[ECOS] How can I write some data to FIS directoy in linux system?

Hamish Moffatt hamish@cloud.net.au
Wed Jul 4 13:48:00 GMT 2007

On Wed, Jul 04, 2007 at 08:21:27PM +0800, guzhiqiang wrote:
> so,compliing and burning to the flash ,now execute my program can write
> 4 bytes to "/dev/mtdblock/4" file.
> But give the error infomation is "end_request: I/O error, dev 1f:04
> (mtdblock), sector 2".
> after while,i cat /dev/mtdblock/4 > /mnt/4
> Use the hexedit open the "/mnt/4 " file, is same to before,in fact ,
> the file "/dev/mtdblock/4" not changed.why not write to the file?
> how can i write the file?

Did you unlock the partition? RedBoot likes to lock its partitions after
it changes them. Use flash_unlock to do it.

I have seen fconfig/fis updates fail from linux due to the locked
partition, although I don't recall seeing the particular error you

Hamish Moffatt VK3SB <hamish@debian.org> <hamish@cloud.net.au>

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