From: Woody Wu <narkewoody@gmail.com>
To: Richard Weinberger <richard@nod.at>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: Block numbers of BEB
Date: Sun, 05 Oct 2014 22:58:12 +0700 [thread overview]
Message-ID: <b2771230-18b6-4029-9d1e-e9dc59f7b445@email.android.com> (raw)
In-Reply-To: <54316971.90502@nod.at>
On October 5, 2014 10:53:21 PM GMT+07:00, Richard Weinberger <richard@nod.at> wrote:
>Am 05.10.2014 17:49, schrieb Woody Wu:
>> What I said of checking /proc is wrong. What I indeed checked was
>/sys/class/ubi as you mentioned. The problem is, under the
>/sys/class/ubi, there is no information about what blocks are marked as
>bad, there is only information about the total number of bad blocks.
>
>Ah, you don't want the number of bad blocks, you want a map of bad
>blocks.
Yes, exactly!
>IIRC UBI does not expose this information.
I am afraid, some initial bad blocks actually came with the Flash manufacturer and recorded in some starting blocks of the Flash, is that right?
>
>Thanks,
>//richard
--
sent from mobile
next prev parent reply other threads:[~2014-10-05 15:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-05 6:04 Block numbers of BEB Woody Wu
2014-10-05 15:41 ` Richard Weinberger
2014-10-05 15:49 ` Woody Wu
2014-10-05 15:53 ` Richard Weinberger
2014-10-05 15:58 ` Woody Wu [this message]
2014-10-05 16:00 ` Richard Weinberger
2014-10-05 16:17 ` Woody Wu
2014-10-05 16:21 ` Richard Weinberger
2014-10-05 16:40 ` Woody Wu
2014-10-06 7:53 ` Ricard Wanderlof
2014-10-06 8:41 ` Woody Wu
2014-10-06 8:59 ` Ricard Wanderlof
2014-10-06 11:25 ` Woody Wu
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