Jffs2 issue on latest mtd for Sibley NOR
jaredeh at gmail.com
Sat Dec 3 17:01:19 EST 2005
On 11/22/05, Todd Poynor <tpoynor at mvista.com> wrote:
> Menon, Nishanth wrote:
> > Sibley: buffer write error (status 0x190)
> According to the datasheet that looks like:
> SR SR SR
> 0 1 1 = Error - Attempted rewrite to Object Mode region
> but I've no clue what causes it...
> Linux MTD discussion mailing list
Oh you used the MTD's flash_eraseall -j /dev/mtdX. Yeah...
That would do it. That's got me before too I think. This writes a
header to each block and then JFFS2 with writebuffer will step on that
already written to Programming Region and you give you this error.
For M18 you can't do Word Programs to a Programming Region (1KB
region) after a Buffered Program has been done there _unless_ your
Buffered Program had a data pattern that puts the Programming Region
in Object Mode. More details at
Moral of the story: Don't write to the same 1KB chunk of M18 unless
you know very well what you are doing. If you get 0x190 that what you
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