From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pd0-x22f.google.com ([2607:f8b0:400e:c02::22f]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XaorM-0007em-KQ for linux-mtd@lists.infradead.org; Sun, 05 Oct 2014 16:40:40 +0000 Received: by mail-pd0-f175.google.com with SMTP id v10so2073341pde.20 for ; Sun, 05 Oct 2014 09:40:14 -0700 (PDT) In-Reply-To: <54317027.6040803@nod.at> References: <54316971.90502@nod.at> <54316B19.4060507@nod.at> <54317027.6040803@nod.at> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Subject: Re: Block numbers of BEB From: Woody Wu Date: Sun, 05 Oct 2014 23:40:07 +0700 To: Richard Weinberger Message-ID: Cc: "linux-mtd@lists.infradead.org" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On October 5, 2014 11:21:59 PM GMT+07:00, Richard Weinberger wrote: >Am 05.10.2014 18:17, schrieb Woody Wu: >> On October 5, 2014 11:00:25 PM GMT+07:00, Richard Weinberger > 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 It looks very knowledgeable. I've marked it for later reading soon. Thanks, Richard! > >Thanks, >//richard -- sent from mobile