Guillaume Gardet wrote:

Hi,

...

-----Original Message----- From: Per Jessen Sent: 19 April 2020 10:39

Question - the multiple kernels feature ought to have retained my dtb directory contents in /boot/dtb-4.12.14-lp150.12.48/ ? Or not ?

AFAIK, there is no multiversion support for DTB. And DTB should even be kernel version agnostic, but I know this is not really the case.

Your /boot/dtb-4.12.14-lp150.12.48/ folder should have been dropped (if there was no *.old file inside) and a new /boot/dtb-4.12.14-lp150.12.82/ should have been created with the update of your DTB package. Is it missing?

Hi Guillaume 12.48 was not dropped as I had a file named *.old in there - I also had my working DTB in here, and that was gone. The new 12.82 directory only had the openSUSE supplied DTB which does not work (sufficiently well). I was happy when I noticed the 12.48 directory, thinking I can just quickly copy the old DTB over .... -- Per Jessen, Zürich (19.3°C) http://www.cloudsuisse.com/ - your owncloud, hosted in Switzerland. -- To unsubscribe, e-mail: opensuse-arm+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-arm+owner@opensuse.org

Matthias Brugger wrote:

Can you try if you put your custom dtb into /boot/dtb/current/ I suppose this directory does not get overwritten when updating the kernel.

Would be nice to get feedback on this :)

I'll see what I can do - I have a third nanopi that needs updating, I think. -- Per Jessen, Zürich (15.9°C) http://www.hostsuisse.com/ - virtual servers, made in Switzerland. -- To unsubscribe, e-mail: opensuse-arm+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse-arm+owner@opensuse.org

Ah, this board still uses boot.script. We should switch it to standard distro boot, if the board supports it. That way, it will look for all defined folders: https://github.com/openSUSE/u-boot/commit/5637f1acf10c604ef8f25d43eb4d4fa1d6... Cheers, Guillaume

-----Original Message----- From: Per Jessen Sent: 28 April 2020 12:25 To: opensuse-arm@opensuse.org Subject: Re: [opensuse-arm] keeping multiple kernels on ARM systems ?

Per Jessen wrote:

...

Matthias Brugger wrote:

...

Can you try if you put your custom dtb into /boot/dtb/current/ I suppose this directory does not get overwritten when updating the kernel.

Would be nice to get feedback on this :)

I'll see what I can do - I have a third nanopi that needs updating, I think.

Looking at boot.script from the jeOS image:

http://download.opensuse.org/ports/armv7hl/distribution/leap/15.0/appliances /openSUSE-Leap15.0-ARM-JeOS-nanopineo.armv7l-2018.07.02- Buildlp150.1.1.raw.xz.

it does not look at /boot/dtb/current. On my nanopis, I have hardcoded 'fdtfile' = 'sun8i-h3-nanopi-neo-air.dtb', but I see no search order, only one 'ftdfolder' (= /boot/dtb)

-- Per Jessen, Zürich (15.8°C) http://www.dns24.ch/ - free dynamic DNS, made in Switzerland.

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