[U-Boot] UBIFS fails on SheevaPlug

[Prafulla Wadaskar]

> -----Original Message-----
> From: u-boot-bounces at lists.denx.de [mailto:u-boot-
> bounces at lists.denx.de] On Behalf Of Dimax
> Sent: 28 October 2012 20:18
> To: u-boot at lists.denx.de
> Subject: [U-Boot] UBIFS fails on SheevaPlug
> 
> HI,
> After power short u-boot fails to mount UBIFS and board stuck. Below
> is a
> trace of u-boot
> 
> Marvell>> boot
> 
> UBI: mtd1 is detached from ubi0
> 
> Creating 1 MTD partitions on "nand0":
> 
> 0x000000500000-0x000020000000 : "mtd=2"
> 
> UBI: attaching mtd1 to ubi0
> 
> UBI: physical eraseblock size:   131072 bytes (128 KiB)
> 
> UBI: logical eraseblock size:    129024 bytes
> 
> UBI: smallest flash I/O unit:    2048
> 
> UBI: sub-page size:              512
> 
> UBI: VID header offset:          512 (aligned 512)
> 
> UBI: data offset:                2048
> 
> UBI: attached mtd1 to ubi0
> 
> UBI: MTD device name:            "mtd=2"
> 
> UBI: MTD device size:            507 MiB
> 
> UBI: number of good PEBs:        4055
> 
> UBI: number of bad PEBs:         1
> 
> 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: 4055
> 
> UBI: number of PEBs reserved for bad PEB handling: 40
> 
> UBI: max/mean erase counter: 1/0
> 
> UBIFS: recovery needed
> 
> Error reading superblock on volume 'ubi:rootfs'!
> 
> UBIFS not mounted, use ubifs mount to mount volume first!
> 
> UBIFS not mounted, use ubifs mount to mount volume first!
> 
> Wrong Image Format for bootm command
> 
> ERROR: can't get kernel image!
> Marvell>>
> 
> To recover from this situation I boot from USB stick and simply mounts
> the
> same UBIFS partition:
> 
> root at debian:~# mount -t ubifs ubi0:rootfs /mnt
> [  306.205029] UBIFS: recovery needed
> [  309.341987] UBIFS: recovery completed
> [  309.345705] UBIFS: mounted UBI device 0, volume 0, name "rootfs"
> [  309.351738] UBIFS: file system size:   515192832 bytes (503118 KiB,
> 491
> MiB, 3993 LEBs)
> [  309.359789] UBIFS: journal size:       25804800 bytes (25200 KiB,
> 24
> MiB, 200 LEBs)
> [  309.367495] UBIFS: media format:       w4/r0 (latest is w4/r0)
> [  309.373352] UBIFS: default compressor: lzo
> [  309.377479] UBIFS: reserved for root:  4952683 bytes (4836 KiB)
> 
> As you can see mount manage to recover partition.
> Is where any way to make u-boot to recover UBIFS partition as well?
> What else can I do to make my system stable and survive power shorts?

Dear Dimax

Thanks for reporting this issue,
I am not UBIFS expert, but I will check this problem at my end.

Regards...
Prafulla . . .