UBIFS trouble

UBIFS trouble

[Juergen Borleis]

Hi,

with an older barebox (2015.08) I can see in my NOR:

barebox@board: ls -l /mnt/nor0.file-system.ubi.rootfs/boot/
-rw-r--r--    1686716 System.map-4.1.0-none-board
-rw-r--r--      67615 config-4.1.0-none-board
lrwxrwxrwx         30 initrd.img -> initrd.img-4.1.0-none-board
-rw-r--r--    2180972 initrd.img-4.1.0-none-board
lrwxrwxrwx         67 oftree -> ../usr/lib/linux-image-4.1.0-none-board/omap3-mfr-board.dtb
-rw-r--r--    3375248 vmlinuz-4.1.0-none-board
-rw-r--r--    3426056 vmlinuz-ptx-board
lrwxrwxrwx         15 zImage -> vmlinuz-ptx-board

A 4.1 Linux kernel sees this filesystem in the same manner:

root@board:~# ll /boot/
total 10496
-rw-r--r-- 1 root root 1686716 Jul 11  2016 System.map-4.1.0-none-board
-rw-r--r-- 1 root root   67615 Jul 11  2016 config-4.1.0-none-board
lrwxrwxrwx 1 root root      30 Oct 24  2016 initrd.img -> initrd.img-4.1.0-none-board
-rw-r--r-- 1 root root 2180972 Oct 24  2016 initrd.img-4.1.0-none-board
lrwxrwxrwx 1 root root      67 Oct 24  2016 oftree -> ../usr/lib/linux-image-4.1.0-none-board/omap3-mfr-board.dtb
-rw-r--r-- 1 root root 3375248 Jul 11  2016 vmlinuz-4.1.0-none-board
-rw-r--r-- 1 root root 3426056 Oct  1  2016 vmlinuz-ptx-board
lrwxrwxrwx 1 root root      15 Oct  1  2016 zImage -> vmlinuz-ptx-board

A fresh barebox (2016.11.0) sees this filesystem differently:

barebox@board:/ ls -l /mnt/nor0.file-system.ubi.rootfs/boot/
-rw-r--r--        1686716 System.map-4.1.0-none-board
-rw-r--r--          67615 config-4.1.0-none-board
-rw-r--r--        2180972 initrd.img
-rw-r--r--        2180972 initrd.img-4.1.0-none-board
/mnt/nor0.file-system.ubi.rootfs/boot//oftree: No such file or directory
-rw-r--r--        3375248 vmlinuz-4.1.0-none-board
-rw-r--r--        3426056 vmlinuz-ptx-board
-rw-r--r--        3426056 zImage

Any idea?

jb

-- 
Pengutronix e.K.                              | Juergen Borleis             |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |

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Re: UBIFS trouble

[Juergen Borleis]

FYI: soft links are broken since 2016.05.0.

jb

-- 
Pengutronix e.K.                              | Juergen Borleis             |
Industrial Linux Solutions                    | http://www.pengutronix.de/  |
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Re: UBIFS trouble

[Sascha Hauer]

On Tue, Nov 29, 2016 at 03:04:41PM +0100, Juergen Borleis wrote:
> FYI: soft links are broken since 2016.05.0.

Most likely this goes down to:

a63059d ubifs: update implementation from u-boot v2016.03

U-Boot resolves links in each filesystem implementation whereas barebox
handles links natively. Have a look at a63059d, identify the link
resolving code and revert this to the previously working barebox code.

Sascha


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Pengutronix e.K.                           |                             |
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