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From: Richard Weinberger <richard@nod.at>
To: Woody Wu <narkewoody@gmail.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: Block numbers of BEB
Date: Sun, 05 Oct 2014 18:21:59 +0200	[thread overview]
Message-ID: <54317027.6040803@nod.at> (raw)
In-Reply-To: <c6533374-3747-4f92-a7e6-65c2fc1dc55f@email.android.com>

Am 05.10.2014 18:17, schrieb Woody Wu:
> On October 5, 2014 11:00:25 PM GMT+07:00, Richard Weinberger <richard@nod.at> wrote:
>> Am 05.10.2014 17:58, schrieb Woody Wu:
>>> 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?
>>
>> You mean the BBT, yes.
>> But what has this to do with exposing this map to userspace?
> 
> If I.know the location of the BBT, maybe I can read it out using a user space tool, right?

I'm not sure if this is what you want.
There are also bad block markers.
Please see http://wiki.openmoko.org/wiki/NAND_bad_blocks

Thanks,
//richard

  reply	other threads:[~2014-10-05 16:22 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
2014-10-05 16:00         ` Richard Weinberger
2014-10-05 16:17           ` Woody Wu
2014-10-05 16:21             ` Richard Weinberger [this message]
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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