Maybe incorrect CMake flags? You need to build MPM with -DMPM_DEVICE=e31x
and UHD needs to -DENABLE_E300=On (although that's the default).

On Fri, Sep 3, 2021 at 1:06 AM <thebouleoffo...@gmail.com> wrote:

> I decided to tackle building an image from scratch, so I could pull in
> software packages with complicated dependencies a little easier. Everything
> basically worked, except the radio daughterboard. I did use the meta-ettus
> layer and correct machine, following the instructions at
> https://github.com/EttusResearch/ettus-docker/tree/master/oe-build . If I
> load the official sdimg from ettus the radio is detected and works fine.
>
> Looking through lsmod and dmesg on the working image, I don’t see anything
> obviously related to a radio or daughterboard. Does anyone know what kernel
> config or software package might be missing from my yocto build?
>
>
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