bug#43143: Building iwd on armhf triggers kernel panic

[Maxim Cournoyer]

Hello,

[...]

> Using a more recent version of linux-libre-arm-generic@5.4, it failed to
> build on both the veyron-speedy (rk3288) and the novena (imx6). It
> doesn't necessarily *always* trigger a kernel panic; I haven't
> identified which conditions trigger the kernel panic, but so far I've
> only seen them on the veyron-speedy. I haven't seen it successfully
> build with any recent linux-libre-arm-generic kernel, though recent
> linux-libre@5.4 and @5.8 worked.
>
> So it seems something in iwd needs specific kernel features in order to
> build at all...
>
> Not sure when I'll get a chance to debug further, but figured I'd update
> about what I've tried so far.

Bordeaux managed to build it, according to 'guix weather
--system=armhf-linux iwd', hence I'm closing this old forgotten issue.
Please reopen if you still experience it on a standard Guix System
kernel.

Thanks,

Maxim