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List: yaffs
Subject: Re: [Yaffs] Why does YAFFS skip the first block?
From: Charles Manning <manningc2 () actrix ! gen ! nz>
Date: 2005-08-15 21:19:46
Message-ID: 200508160919.46088.manningc2 () actrix ! gen ! nz
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On Tuesday 16 August 2005 07:36, Steve Wahl wrote:
> Specific instances of this would be upgrading to a new version of
> software, then downgrading to an old version; or, what we ran into: A
> bootloader that has yaffs code that skips block zero, that boots
> kernel code that doesn't skip block zero. Occasionally our kernel was
> writing boot images to the flash that the bootloader couldn't read
> (because a portion was in block zero)!
>
> You won't detect this until you try to read a file that uses block zero
> from older code...
An alternative is to set up your mtd partitioning so that block zero of NAND
is not seen by YAFFS.
-- CHarles
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