From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from smtp.nokia.com ([192.100.122.230] helo=mgw-mx03.nokia.com)
	by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux))
	id 1MKW9U-0007XL-SC
	for linux-mtd@lists.infradead.org; Sat, 27 Jun 2009 11:33:07 +0000
Subject: Re: about ubiformat mtdblock
From: Artem Bityutskiy <dedekind@infradead.org>
To: tommy <jiujin.hong@mid-fun.com>
In-Reply-To: <1246074583.4250.4.camel@tommy-desktop>
References: <1246010592.12367.0.camel@tommy-desktop>
	<1246013172.9487.66.camel@localhost.localdomain>
	<1246074583.4250.4.camel@tommy-desktop>
Content-Type: text/plain; charset="UTF-8"
Date: Sat, 27 Jun 2009 14:32:52 +0300
Message-Id: <1246102372.9487.80.camel@localhost.localdomain>
Mime-Version: 1.0
Content-Transfer-Encoding: 8bit
Cc: linux-mtd@lists.infradead.org
Reply-To: dedekind@infradead.org
List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>,
	<mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/linux-mtd>
List-Post: <mailto:linux-mtd@lists.infradead.org>
List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>,
	<mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>

On Sat, 2009-06-27 at 11:49 +0800, tommy wrote:
> HI,dear sir !
> 
> i have pathed my 2.6.24 BSP with ubifs-2.6.24-git!
> 
> It work ok ,but when kernel booting  ,it also say error:
> 0x00000000-0x00040000 : "Bootloader"
> 0x00040000-0x00840000 : "Kernel"
> 0x00840000-0x13440000 : "Rootfs"
> 0x13440000-0x40000000 : "data"
> UBI: attaching mtd2 to ubi0
> UBI: physical eraseblock size:   262144 bytes (256 KiB)
> UBI: logical eraseblock size:    258048 bytes
> UBI: smallest flash I/O unit:    2048
> UBI: VID header offset:          2048 (aligned 2048)
> UBI: data offset:                4096
> UBI: attached mtd2 to ubi0
> UBI: MTD device name:            "Rootfs"
> UBI: MTD device size:            300 MiB
> UBI: number of good PEBs:        1200
> UBI: number of bad PEBs:         0
> UBI: max. allowed volumes:       128
> UBI: wear-leveling threshold:    4096
> UBI: number of internal volumes: 1
> UBI: number of user volumes:     1
> UBI: available PEBs:             5
> UBI: total number of reserved PEBs: 1195
> UBI: number of PEBs reserved for bad PEB handling: 12
> 
> UBIFS: mounted UBI device 0, volume 0, name "rootfs"
> UBIFS: file system size:   301916160 bytes (294840 KiB, 287 MiB, 1170
> LEBs)
> UBIFS: journal size:       14966784 bytes (14616 KiB, 14 MiB, 58 LEBs)
> UBIFS: media format:       w4/r0 (latest is w4/r0)
> UBIFS: default compressor: lzo
> UBIFS: reserved for root:  4952683 bytes (4836 KiB)
> VFS: Mounted root (ubifs filesystem).
> 
> UBIFS error (pid 628): ubifs_get_sb: cannot open "rootfs", error -22
> 
> when it mount ok,also say error "cannot open 'rootfs' ",sir ?

-22 is -EINVAL, not sure what happened. Try to send a better bug report,
see here:
http://www.linux-mtd.infradead.org/doc/ubifs.html#L_how_send_bugreport

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)