Did you ever get this figured out?
--- In <> wrote:
>
> Hi
>
>
>
> I have a TS7250 and want to ask advice on bad eraseblocks. I have 128MB NAND
> flash on my TS7250 (which runs 24/7) and did not have any bad eraseblocks.
> Suddenly a few days ago the board seemed to have crashed. Upon further
> investigation I discovered that it report approx. 2300 bad eraseblocks
> (approx. 32MB) when I reboot it. All of these bad eraseblocks (except 1) is
> between 0x04000000 and 0x07d00000, which is the last approx. 61MB of the
> Linux MTD partition (/dev/mtd1). I would like to know the following:
>
> 1. Can the YAFFS file system have anything to do with these bad
> eraseblocks?
>
> 2. Can the Bad Block Table (BBT) of the flash become corrupted, or is it
> re-generated every time the device is booted?
>
> 3. Is there a utility to check/erase the entire /dev/mtdblock1 in an
> attempt to recover these bad eraseblocks?
>
>
>
> Any suggestions will be appreciated.
>
>
>
> Regards
>
> Wouter
>
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