[U-Boot] Problem loading boot script from ext4 mmc on sunxi H3

[Michal Suchanek]

Hello,

On 29 June 2016 at 10:45, Karsten Merker <merker at debian.org> wrote:
> On Wed, Jun 29, 2016 at 09:30:33AM +0200, Michal Suchanek wrote:
>
>> I tried loading system with recent u-boot but it does not work.
>>
>> Trying some ext4ls shows there is some problem accessing the filesystem.
>>
>> Not sure if this should be attributed to the ext driver or to the mmc
>> driver or something else entirely.
>
> I haven't tested that myself, but I have seen reports on other
> platforms that the u-boot ext4 driver has problems with ext4
> filesystems which use the "flex_bg" filesystem feature, as that
> causes certain changes to the on-disk layout compared to ext4
> without this feature.  From what people have reported, it appears
> that "flex_bg" is enabled by default on ext4 filesystems created
> with a recent mkfs.ext4 version.
>

Reformatting without flex_bg does not seem to have any effect.

However, ls seems to give some random stuff for directories other than
/ so some similar remapping feature could cause this.

Thanks

Michal