JFFS2 filesystem integrity issue

Duke ezbonites at gmail.com
Wed Mar 19 09:35:02 EDT 2008


On Tue, Mar 18, 2008 at 11:02 PM, Jamie Lokier <jamie at shareable.org> wrote:
> Duke wrote:
>  > For some reason it either seem to read the file incorrectly or the
>  > file is corrupt some how. When this happens I don't loose the
>  > calibration altogether but it is intermittent and sporadic at times.
>  > Has anyone seen something similar? Does the cause seem realistic?
>  > Has anyone had a possible corruption like this?
>
>  I have seen similar, and it was due to borderline timing or signal
>  integrity issues, possibly affected by what else the CPU was doing at
>  the time.

Didn't adjusting the timing of the banks help you any?

>  It was fixed in our case by improving the PCB design.

I'm doing a rev of the board but as far as improving the design, I
have no reason to adjust my memory design.
Perhaps you have something I can look for?

Thanks,
-D



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