about ubiformat mtdblock

[Artem Bityutskiy]

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)