From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QihZI-0002Hr-2I for barebox@lists.infradead.org; Mon, 18 Jul 2011 06:44:45 +0000 Date: Mon, 18 Jul 2011 08:44:37 +0200 From: Sascha Hauer Message-ID: <20110718064437.GE20587@pengutronix.de> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: Nand MTD IOError -5 To: Kamel BOUHARA Cc: barebox@lists.infradead.org On Fri, Jul 15, 2011 at 01:21:21PM +0200, Kamel BOUHARA wrote: > Hello, > > Im having a trouble with my Nand Flash device wich is a 512MiB Micron with > 4GB capacity. > I get io error -5 for any erase/write operation on it like this : > > barebox@Phytec phyCard-i.MX27:/ update -t barebox -d nand Is this really a phycard or have you just used it as a template for your board? > > phy0: Link is up - 100/Full > host 192.168.0.2 is alive > > erasing partition /dev/nand0.barebox.bb > > > erase: I/O error > > flashing barebox.bin to /dev/nand0.barebox.bb > TFTP from server 192.168.0.2 ('barebox.bin' -> '/dev/nand0.barebox.bb') > write: I/O error > tftp failed: error -5 > And here is the device init at the boot runtime: > NAND device: Manufacturer ID: 0x2c, Chip ID: 0xac (Micron NAND 512MiB 1,8V > 8-bi) > > nand_read_bbt: Bad block at 0x17840000 > > nand_read_bbt: Bad block at 0x17860000 > > nand_read_bbt: Bad block at 0x1f0c0000 > > nand_read_bbt: Bad block at 0x1f0e0000 > > nand_read_bbt: Bad block at 0x1f6c0000 > > nand_read_bbt: Bad block at 0x1f6e0000 > > So it seems tge device is detect and bbt are correctly calculated... > Any idea of what could be the problem ? Sorry, no idea. It just looks there are quite many bad blocks. Does it work under Linux? Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox