Hey Ludo,

> Reverting 7d567af46b4e10ffafb1d0f76b524f5781460598 fixes the problem, so
> I guess this has to do with the fact that the previous partition objects
> (those listed in ‘initial-partitions’) are invalidated or something.

Yes I think that's what happened, even though I don't get why it didn't
cause an issue on x64.

>
> Now we need another way to address
> <https://issues.guix.gnu.org/issue/35731>.

I have a first draft, I'm about to test right now :)

Mathieu