[U-Boot] UBI and UBIFS on ARM64

[Adam Oleksy]

Hi Heiko,
Thank you, and I understand that you can't say nothing more about this.
Anyway, I've found workaround... I've just disabled compression for
ubifs, and problem disappeared.
I believe I can live with it:).

2016-09-07 6:49 GMT+02:00 Heiko Schocher <hs at denx.de>:
> Hello Adam,
>
>
> Am 07.09.2016 um 06:39 schrieb Heiko Schocher:
>>
>> Hello Adam,
>>
>> Am 06.09.2016 um 16:44 schrieb Adam Oleksy:
>>>
>>> Dear U-Boot community,
>>> I'm developing software for Xilinx ZynqMP platform, which is made in
>>> 64-bit architecture. I would like to store every artifact needed to
>>> boot up on the UBIFS partition. I faced problem, that u-boot does not
>>> want to compile with enabled UBI/UBIFS support, due to lack of some
>>> atomic operations on longs. So, I've written them (see
>>> http://pastebin.com/ibp0Zt99). Please note, that I've written only
>>> that functions, which are needed by UBI/UBIFS. Then UBIFS started work
>>> on the target. Almost... because I've found that large files (~20MiB)
>>> can't be read. I've enabled debug messages, but I don't know how to
>>> interpret them (please see http://pastebin.com/gByDcdvw). Maybe you
>>> are able to help me?
>>> I've also checked how the UBIFS behaves in the Linux, and the result
>>> is that everything works as expected. It means that I can write large
>>> files to UBIFS, and read them back successfully.
>>> Should you need any further information, please do not hesitate to
>>> contact me.
>>
>>
>> Hard to say ... here an extract of your debug log:
>>
>> UBI DBG io (pid 1): read 509 bytes from PEB 1059:10040
>> UBIFS error (ubi0:0 pid 0): ubifs_check_node: bad magic 0x61018ce,
>> expected 0x6101831
>>
>> Here begin your problem ... for some reasons you do not read the
>> correct magic number ... I tend to say some problem with your nand
>> driver and/or io functions, maybe cache setup? Sorry, more I cannot say
>> ...
>
>
> I am quite sure now:
> bad magic 0x61018ce, expected 0x6101831
>                  ^^                  ^^
>
> 0xce = !0x31
>
> You have read problems ...
>
> bye,
> Heiko
>
>
>> UBIFS error (ubi0:0 pid 0): ubifs_check_node: bad node at LEB 417:9912
>> Not a node, first 24 bytes:UBIFS error (ubi0:0 pid 0): ubifs_read_node:
>> expected node type 1
>> UBIFS DBG tnc: key (67, data, 4679)
>> UBIFS error (ubi0:0 pid 0): do_readpage: cannot read page 4679 of inode
>> 67, error -117
>> Error reading file 'rfsw-image_ramdisk.itb'
>> UBI DBG gen (pid 1): close device 0, volume 0, mode 1
>>
>> bye,
>> Heiko
>
>
> --
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany



-- 
Pozdrawiam,
Adam Oleksy