ubiattach problem

[Oren]

HI,

I am trying to attached a ubi image to an MTD nand device.
I am using kerenl version 2.6.27.18.
using latest MTD-UTILS + ubi_utils.

For some reosone i get UBI error while trying to attache..
DO i miss someting?


dev:    size   erasesize  name
mtd0: 01000000 00020000 "NAND-block1"
mtd1: 01e00000 00020000 "jffs2"
mtd2: 05200000 00020000 "NAND-block2"
./ubinfo
UBI version:                    1
Count of UBI devices:           0
UBI control device major/minor: 10:63
ubiformat /dev/mtd0 -s 2048 -f ubi_ncomp.img
ubiformat: mtd0 (nand), size 16777216 bytes (16.0 MiB), 128 eraseblocks
of 131072 bytes (128.0 KiB), min. I/O size 2048 bytes
libscan: scanning eraseblock 127 -- 100 % complete  
ubiformat: 128 eraseblocks are supposedly empty
ubiformat: flashing eraseblock 16 -- 100 % complete  
ubiformat: formatting eraseblock 127 -- 100 % complete
ubiattach /dev/ubi_ctrl -m 0  
[42949485.550000] UBI error: ubi_read_volume_table: the layout volume
was not found
[42949485.560000] UBI error: ubi_attach_mtd_dev: failed to attach by
scanning, error -22
ubiattach: error!: cannot attach mtd0
           error 22 (Invalid argument)


Oren.