[U-Boot] UBI / UBIFS booting from NAND support

[Heiko Schocher]

Hello Jose,

Am 27.11.2017 um 11:45 schrieb Jose Miguel Sanchez Sanabria:
> Hi everyone.
> 
> I was testing the booting process from NAND using an UBI/UBIFS image in an
> igepv2 board.
> However MLO tries to boot first kernel (falcon mode activated) and then
> falls back to u-boot (as expected anyway I just wanted to load u-boot from
> ubi) trying to load volume 0, but fails.
> 
> U-Boot SPL 2017.11-dirty (Nov 24 2017 - 14:29:26)
> Trying to boot from NAND
> UBI warning: LEB 0 of 1 is missing
> UBI warning: Failed to load volume 3
> UBI warning: LEB 0 of 1 is missing
> UBI warning: Failed to load volume 3
> UBI warning: Failed
> Loading Linux failed, falling back to U-Boot.
> UBI warning: LEB 0 of 1 is missing
> UBI warning: Failed to load volume 0
> UBI warning: LEB 0 of 1 is missing
> UBI warning: Failed to load volume 0
> UBI warning: Failed
> SPL: failed to boot from all boot devices
> ### ERROR ### Please RESET the board ###
> 
> I can however mount the ubi image but suspicious log appear:
> 
> u-boot:> ubifsmount ubi0:ubirootfs
> UBIFS assert failed in ubifs_change_lp at 540
> UBIFS assert failed in ubifs_release_lprops at 278
> UBIFS assert failed in ubifs_change_lp at 540
> UBIFS assert failed in ubifs_release_lprops at 278
> 
> This has to do with the discussion about ubifs null deference so I suppose
> it should not affect much to write operation.
> 
> I would finally like to know if the ubi/ubifs support is functional; which
> would mean I did not use the ubi tools correctly to create the ubi image.

I must admit, I have currently no working testsetup. I try to
reactivate my automated tbot tests [1] at the end of the week.

bye,
Heiko
[1] http://xeidos.ddns.net/buildbot/builders/ari_ubi
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