[Testing] 11.2.0 build 23 available for testing

Frederick Grose fgrose at gmail.com
Sat Jun 18 17:21:35 EDT 2011


On Sat, Jun 18, 2011 at 4:23 PM, Mitch Bradley <wmb at laptop.org> wrote:

> That is a huge number of bad blocks.
>
> Two possibilities:
>
> Either this NAND is close to complete failure, or else the bad block
> table has become corrupted.
>
> You could try recreating the bad block table as follows:
>
> ok select /nandflash  scrub!  unselect
>

Temporary documentation update:
http://wiki.laptop.org/go/XO_Flash_Bad_Blocks#Something_different?<http://wiki.laptop.org/go/XO_Flash_Bad_Blocks#Something_different.3F>


>
> On 6/18/2011 12:19 AM, forster at ozonline.com.au wrote:
> >> If you tell us the addresses of the first 10-or-so bad blocks, we
> >> could set up a laptop in the same way and try to reproduce. You can do
> >> this by booting with the game-key-up cheat code
> >> (http://wiki.laptop.org/go/Cheat_codes) and then using the arrow keys
> >> to move to the first red block. When you get there it will say
> >> something like "28f Marked bad in Bad Block Table". 28f is the
> >> address. Then collect addresses of the next 9.
> >
> > rocker up gave me pong but scan-nand works
> >
> > bad blocks:
> > a
> > 1a
> > 2a
> > 3a
> > 4a
> > ... the a's through to fa
> >
> > then ok for a while
> >
> > the a's  30a thru to 3ba
> > the a's  50a thru to 5ca
> >
> > first bad block thats not 'a' is at 6b1
>
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