Hi Brad,

Works like a charm!

Also boots from an usb thumb drive in the powered usb hub.

Next stop: migrate :-)

thx again

- Fred

On Tue, Jul 13, 2021 at 3:16 PM Fred van Zwieten <fvanzwie@redhat.com> wrote:
Hi Brad,

Thanks! Will try this and report back

- Fred

Op di 13 jul. 2021 om 15:05 schreef Brad Smith <bradley.g.smith@gmail.com>
Hi Fred -

This thread ( https://www.raspberrypi.org/forums/viewtopic.php?f=51&t=292630 ) outlines an approach using UEFI that works well for me. I have not tried newer versions of the UEFI boot code yet as this has been stable on 4 RPi 4s (8 gb). This was done with F33. The update to F34 was smooth and without problem.


On Tue, Jul 13, 2021 at 5:42 AM Fred van Zwieten <fvanzwie@redhat.com> wrote:
Hi Brad,

Definitely interested!


- Fred

On Tue, Jul 13, 2021 at 2:36 PM Brad Smith <bradley.g.smith@gmail.com> wrote:
Good morning 

Another option is to bypass u-boot entirely. I can provide a link if interested.  Not at the computer with the bookmark otherwise i would just send.


On Tue, Jul 13, 2021, 04:43 Fred van Zwieten <fvanzwie@redhat.com> wrote:

So Fedora 34 minimal aarch64 boots and runs pretty good on my rpi4 4GB (great work!).

I have a powered USB 3 hub attached to it, and on that an arduino mega with rflink [1]. When I attach this after booting, it is recognised correctly, but when connected while booting, it runs into a boot-loop:


Others within the domotica community also have this issue and it seems to be related to the use of u-boot [2]. This is also why rapsbian based distros like dietpi boot without issue as they do not use u-boot afaik.

I am not familiar with u-boot at all. Is there a way to exclude this device from the boot device discovery somehow (as I suspect this is where it goes wrong). 


- Fred

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