Re: UBIFS recovery taking too long

[Shuah Khan]

Adding ubifs maintainers.

-- Shuah

On Mon, Dec 9, 2013 at 1:53 PM, David Mosberger-Tang
<dmosberger@xxxxxxxxx> wrote:
> I've had no luck getting any response from the linux-mtd mailing list
> regarding the issue reported below.
> I think it is a very serious issue since it can easily render an
> embedded system unusable.
>
>   --david
>
> ---------- Forwarded message ----------
> From: David Mosberger-Tang <dmosberger@xxxxxxxxx>
> Date: Thu, Nov 7, 2013 at 11:44 AM
> Subject: UBIFS recovery taking too long
> To: "linux-mtd@xxxxxxxxxxxxxxxxxxx" <linux-mtd@xxxxxxxxxxxxxxxxxxx>
>
>
> We recently encountered a strange issue where UBIFS recovery is
> suddenly taking a lot longer than usual (v3.7-based kernel).  In our
> case, recovery took about 30 seconds.  This caused a serious problem
> because our watchdog timer was set to 15 seconds, effectively
> rendering the devices unbootable.
>
> Does anybody know what triggers this slow recovery mode?  Also, how
> can we calculate a worst-case recovery time for a given flash
> chip-size.
>
> Thanks,
>
>   --david
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