Numonyx NOR and chip->mutex bug?

Anders Grafström grfstrm at users.sourceforge.net
Thu Feb 10 12:54:31 EST 2011


On 2011-02-10 17:43, Michael Cashwell wrote:
> On Feb 10, 2011, at 10:59 AM, Michael Cashwell wrote:
> Troublesome 65nm parts:
> run 1:
> NOR Flash: block erase suspended and resumed 29 times.
> buffered write fails.

Buffered write fails with SR[4] set?

Have you configured with CONFIG_MTD_UBI_DEBUG_PARANOID
so that UBI does the all 0xff check after erase?

I'm wondering if the blocks being written to are in a properly erased state.

/Anders



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