From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andre Schwarz Date: Fri, 04 Mar 2011 11:46:36 +0100 Subject: [U-Boot] issue with 'ubi part' In-Reply-To: <201103041134.41172.sr@denx.de> References: <4D6E63AD.1040101@matrix-vision.de> <201103041100.37867.sr@denx.de> <4D70BC12.3060904@matrix-vision.de> <201103041134.41172.sr@denx.de> Message-ID: <4D70C30C.1080406@matrix-vision.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Stefan, > Andre, > > On Friday 04 March 2011 11:16:50 Andre Schwarz wrote: >>>> => ubi part root >>>> Creating 1 MTD partitions on "nand0": >>>> 0x000000000000-0x000040000000 : "mtd=0" >>>> UBI: attaching mtd2 to ubi0 >>>> UBI error: io_init: unaligned VID header shift 2 >>>> UBI error: ubi_init: cannot attach mtd2 >>>> UBI error: ubi_init: UBI error: cannot initialize UBI, error -22 >>>> UBI init error -22 >>>> exit not allowed from main input shell. >>>> => >>> Did you erase the flash partition before trying to attach UBI on it? >> yes - the ubi volume has been created by linux and is working fine : >> >> ubiformat /dev/NAND -y >> ubiattach /dev/ubi_ctrl -m 9 >> ubimkvol /dev/ubi0 -N rootfs -m >> mount -t ubifs ubi0:rootfs /mnt/nand >> >> Actually I'm running Linux with rootfs on this very ubi volume. >> >> All I wanna do is get the kernel + dtb from this volume for stand-alone >> boot. >> Meanwhile I'm getting both files using tftp from the server - but that's >> no long term solution. > I have no real idea then why this fails in U-Boot, sorry. What versions of U- > Boot and Linux are you using? I'm running TOT with kernel 2.6.34.7 > I suggest you debug a bit, to see where this error results from. ok - so no obvious mistakes. Will try a bisect because it has been working back in November 2010. > >> I'm still curious why we get >> >> 0x000000000000-0x000040000000 : "mtd=0" -> 0 ! >> and >> UBI error: ubi_init: cannot attach mtd2 -> 2 ! >> >> >> Is this the expected behaviour ? > IIRC, it's because the NOR flash partitions are enumerated first. So 2 NOR > partitions (0...1) makes the first NAND partition #2. ok - will have a look. -- Regards, Andre MATRIX VISION GmbH, Talstrasse 16, DE-71570 Oppenweiler Registergericht: Amtsgericht Stuttgart, HRB 271090 Geschaeftsfuehrer: Gerhard Thullner, Werner Armingeon, Uwe Furtner