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SubjectFwd: UBIFS recovery taking too long
From
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@gmail.com>
Date: Thu, Nov 7, 2013 at 11:44 AM
Subject: UBIFS recovery taking too long
To: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>


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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