Bad blocks in NAND
jo.omsl at googlemail.com
Thu Oct 23 02:20:47 CEST 2008
2008/10/23 Andy Green <andy at openmoko.com>
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> Somebody in the thread at some point said:
> | However, I get this messages when erasing the rootfs:
> | debian-gta02:/media/mmcblk0p6/Om2008.9# flash_eraseall /dev/mtd6
> | Erasing 128 Kibyte @ f600000 -- 99 % complete.
> | Skipping bad block at 0x0f620000
> | Skipping bad block at 0x0f640000
> | Skipping bad block at 0x0f660000
> | Skipping bad block at 0x0f680000
> | debian-gta02:/media/mmcblk0p6/Om2008.9#
> | Is it really always 128 kB that are marked as bad block? Anybody else
> | got bad blocks already? It looks like dfu-util isn't reporting these
> | errors from flash erase.
> There's a bad block table floating around at the end of the flash, it is
> falsely marked as being itself in bad blocks so it is left alone. I
> guess this is that.
Ah, I see.
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