[Trac #1489] nandflash 'wipe' kills bad block table

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#1489: nandflash 'wipe' kills bad block table
---------------------------------+------------------------------------------
 Reporter:  dwmw2                |       Owner:  wmb at firmworks.com
     Type:  defect               |      Status:  new              
 Priority:  normal               |   Milestone:  Untriaged        
Component:  ofw - open firmware  |     Version:                   
 Keywords:                       |    Verified:  0                
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 {{{
 select /nandflash
 wipe
 copy-nand disk:\foo.img
 }}}

 Do this with B3 (with 1GiB NAND chips) and the kernel gets _very_ unhappy
 -- complains that all the blocks are bad. I think the BBT got eaten. This
 was with one of the chips which appears to be two 512MiB dies internally,
 I believe.

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Ticket URL: <http://dev.laptop.org/ticket/1489>
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