[fedora-arm] Re: Odroid C2

Please excuse my ignorance as I'm really an HPC researcher working on
building a small odroid-c2 cluster for parallel scaling research.

You're correct that the kernel should be working out of the box and I
don't believe that is my issue. It seems that u-boot isn't cooperating.
I flashed the minimal image
(https://download.fedoraproject.org/pub/fedora-secondary/releases/28/Spins/aarch64/images/Fedora-Minimal-28-1.1.aarch64.raw.xz)
to the eMMC card and then tried to install u-boot according to these
instructions https://wiki.odroid.com/odroid-c2/software/building_u-boot
for the provided sd_fusing.sh. This should be adding the u-boot binaries
to the beginning of the card; however, when I power the board on I
simply get a solid blue kernel LED which seems to suggest that u-boot is
starting but unable to boot the kernel.

I was able to find an older fedora 25 image using a modified 3.14 kernel
that boots so I'm attempting to go through the upgrade process for this
currently.


On 07/08/2018 08:05 AM, Peter Robinson wrote:
> On Sat, Jul 7, 2018 at 10:49 PM, Dr. Zenzic <dr.zenzic@gmail.com> wrote:
>> Hello All,
>>
>> Has anyone had any luck getting Fedora 28 to work on the Odroid C2?
> I've had a number of reports it works just fine. I don't have a device
> based on the same chipset to be able to confirm this though.
>
>> I've tried downloading the Fedora 28 Server aarch.raw.xz image which i
>> put onto my sd card. I then moved the Archlinux aarch64 boot parition
>> into boot along with the lib/modules and lib/firmware folders from
>> Archlinux. This has been to no avail. I'm working on building the
>> hardkernel kernel myself now but have never actually compiled a kernel
>> myself so I'm not sure what I fully need to get the Fedora rootfs to
>> boot with the kernel.
> The Fedora kernel should work just fine so I have no idea why you
> would even do anything you've attempted above.
>
>> If anyone has some guidance or a nice writeup on getting a bootable
>> kernel recognized by Fedora on the Odroid C2 that would be greatly
>> appreciated.
> The only thing you should have to do is deal with the U-Boot side of
> things, I believe that there's a need for a signed binary blob for the
> early part of u-boot and you can use that in combination with the
> Fedora build u-boot bit to boot the device but I've not got the exact
> details. You shouldn't have to modify the kernel except possibly if
> you want accelerated graphics but given you mention the Server image I
> suspect that's not the case.
>
> Peter
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