Re: about ubiformat mtdblock

[tommy <jiujin.hong@mid-fun.com>]

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 ?

thanks !
On 五, 2009-06-26 at 13:46 +0300, Artem Bityutskiy wrote:
> On Fri, 2009-06-26 at 18:03 +0800, tommy wrote:
> > hi,dear all!
> > 
> > My kernel version is 2.6.24 ,patch ubifs !
> > 
> > I met error on ubiformat .
> > Following is my step!
> > 
> > 
> > # ./ubiformat /dev/mtd2 -f /ubi.img
> > ubiformat: mtd2 (NAND), size 654311424 bytes (624.0 MiB), 262144
> > eraseblocks of 262144 bytes (256.0 KiB), min. I/O size 2048 bytes
> > libscan: scanning eraseblock 2495 -- 100 % complete
> > ubiformat: 2496 eraseblocks have valid erase counter, mean value is 0
> > ubiformat: flashing eraseblock 383 -- 100 % complete
> > ubiformat: formatting eraseblock 2495 -- 100 % complete
> > # ./ubiattach /dev/ubi_ctrl -m 2
> > vmalloc is used.
> > 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: volume 0 ("ubifs0") re-sized from 407 to 2468 LEBs
> > UBI: attached mtd2 to ubi0
> > UBI: MTD device name:            "File System"
> > UBI: MTD device size:            624 MiB
> > UBI: number of good PEBs:        2496
> > 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:             0
> > UBI: total number of reserved PEBs: 2496
> > UBI: number of PEBs reserved for bad PEB handling: 24
> > UBI: max/mean erase counter: 2/1
> > UBI: background thread "ubi_bgt0d" started, PID 306
> > UBI device number 0, total 2496 LEBs (644087808 bytes, 614.2 MiB),
> > available 0 LEBs (0 bytes), LEB size 258048 bytes (252.0 KiB)
> > # mount -t ubifs ubi0_0 /tmp/
> > UBIFS error (pid 307): ubifs_read_superblock: on-flash format version
> > is 4, but software only supports up to version 3
> > mount: mounting ubi0_0 on /tmp/ failed: Invalid argument
> > 
> > 
> > can anyone help me ?thanks!
> 
> Could you please update your UBI/UBIFS:
> git://git.infradead.org/~dedekind/ubifs-v2.6.24.git
> 
> See here:
> http://www.linux-mtd.infradead.org/doc/ubifs.html#L_source
> 
> There were many serious bug-fixes, sou it is a good idea to update
> ubifs.
>