---------- Forwarded message ---------- From: Kamel BOUHARA Date: 2011/7/19 Subject: Re: Nand MTD IOError -5 To: Sascha Hauer 2011/7/18 Sascha Hauer > >> 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? > > No, it's not Im using it as a template because the fec, I've also post for it here :http://lists.infradead.org/pipermail/barebox/2011-July/003802.html Sorry, no idea. It just looks there are quite many bad blocks. Does it > work under Linux? It doesn't work on Linux or u-boot, same error, maybe I missed somethink, I will look to make it work on u-boot with advanced nand command first maybe... Thanks anyway ! :/ 2011/7/18 Sascha Hauer > 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 | > -- __________________________________ *Kamel BOUHARA* 7 rue Jules César 02100 SAINT-QUENTIN 06.17.83.29.04 -- __________________________________ *Kamel BOUHARA* 7 rue Jules César 02100 SAINT-QUENTIN 06.17.83.29.04