bit flip

[Matt Reimer]

On 10/10/07, catboat at texas.net <catboat at texas.net> wrote:
> Quoting David Woodhouse <dwmw2 at infradead.org>:
>
> > On Wed, 2007-10-03 at 14:32 -0500, catboat at texas.net wrote:
> > > A NAND card flipped a bit and caused a data CRC problem in a data node.
> > > When I cat the file, this region is zeroes. cat exits with rc 0.

How big were the chunks of zeroes? I'm seeing something similar here
on a 128KB/2KB NAND flash part, where a 4KB chunk incorrectly reads as
zeroes.

Is there some kind of utility to map from a jffs2 inode to an offset
in flash? That would help me track down the corruption I'm seeing.

Matt