[fedora-arm] Re: armhf dnf is not working on aarch64 kernel

On Wed, Apr 27, 2016 at 1:18 PM, Chanho Park <parkch98@gmail.com> wrote:
> Hi all,
>
> I want to use the armhf fedora rootfs on the aarch64 bit kernel.

You can't, it's not a use case we support.

> When I ran the dnf command on the armhf image with aarch64 kernel, the
> dnf command was failed with below error.
>
> dnf -v install mesa
> cachedir: /var/cache/dnf
> DNF version: 1.1.6
> Failed to synchronize cache for repo 'rpmfusion-free-updates' from
> 'http://mirrors.rpmfusion.org/mirrorlist?repo=free-fedora-updates-released-22&arch=aarch64':
> Cannot prepare internal mirrorlist: No URLs in mirrorlist, disabling.
> repo: using cache for: fedora
> not found updateinfo for: Fedora 22 - aarch64
> repo: using cache for: updates
> not found deltainfo for: Fedora 22 - aarch64 - Updates
> not found updateinfo for: Fedora 22 - aarch64 - Updates
>
> Actually, armhf binaries/rootfs can be executed even aarch64
> kernel(fully compatible with armhf).
> Maybe the dnf command tries to find its repo from uname call.
> $ uname -m
> aarch64
>
> The rpm install was also failed because fedora doesn't have any rpm
> platform file
> So, I added below file. It is able to install armhf rpm file even
> aarch64 kernel.
>
> cat /etc/rpm/platform
> armv7hl-fedora-linux-gnu
>
> The question is 'how can I run 'dnf' command on armhf fedora with
> aarch64 kernel?'

No, the ARMv7 and aarch64 ABI aren't compatible, the only way we
support ARMv7 on aarch64 is via virtualisation. We will not be
supporting this or a "multilib" usecase.

Peter
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