uboot UBIFS error

I recently had another (cheap) flash drive fail and after restoring a backup I noticed a "UBIFS error" message in the netconsole output. For all I know it's always been there and after doing a little research I think it's because it's trying to load a UBIFS image from the internal flash and there's none there. I believe it's harmless and/or normal, but I'd like to get some confirmation from the experts here.

U-Boot 2014.07-tld-2 (Sep 20 2014 - 01:10:10)
Seagate FreeAgent DockStar
gcc (Debian 4.6.3-14) 4.6.3
GNU ld (GNU Binutils for Debian) 2.22
Hit any key to stop autoboot:  0
(Re)start USB...
USB0:   USB EHCI 1.00
scanning bus 0 for devices... 4 USB Device(s) found
       scanning usb for storage devices... 2 Storage Device(s) found
** File not found /rescueme **
** Unrecognized filesystem type **
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=3"
UBI: MTD device size:            219 MiB
UBI: number of good PEBs:        1750
UBI: number of bad PEBs:         2
UBI: max. allowed volumes:       128
UBI: wear-leveling threshold:    4096
UBI: number of internal volumes: 1
UBI: number of user volumes:     0
UBI: available PEBs:             1729
UBI: total number of reserved PEBs: 21
UBI: number of PEBs reserved for bad PEB handling: 17
UBI: max/mean erase counter: 1/1
UBIFS error (pid 0): ubifs_get_sb: cannot open "rootfs", error -22
UBIFS error (pid 0): ubifs_mount: Error reading superblock on volume 'rootfs' er
rno=-22!

ubifsmount - mount UBIFS volume

Usage:
ubifsmount <volume-name>
    - mount 'volume-name' volume
1 bytes read in 461 ms (0 Bytes/s)
Found bootable drive on usb 0:1
2707144 bytes read in 318 ms (8.1 MiB/s)
6310882 bytes read in 472 ms (12.8 MiB/s)
## Booting kernel from Legacy Image at 00800000 ...
   Image Name:   Linux-3.16.0-kirkwood-tld-1
   Created:      2014-08-30  18:31:56 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    2707080 Bytes = 2.6 MiB
   Load Address: 00008000
   Entry Point:  00008000
   Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at 01100000 ...
   Image Name:   initramfs-3.16.0-kirkwood-tld-1
   Created:      2014-08-30  18:31:37 UTC
   Image Type:   ARM Linux RAMDisk Image (gzip compressed)
   Data Size:    6310818 Bytes = 6 MiB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK


Starting kernel ...

Thanks!

-JT

JT,

It is harmless. But if you want to reduce the noise, look for the run ubifs boot command in uboot envs and remove it.

-bodhi
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bohdi, as always, thank you!

-JT