> Mmmh, I get what's going on in tests/processes.scm. It's an issue in
> (guix scripts processes) where argv0 is checked for "guix-daemon".
>
> When using --system my-system, argv0 is "qemu-my-system". So we need to
> check both argv0 and argv1 for "guix-daemon".
>
> I'll propose a patch.

Here it is. Please tell me what you think. Another solution would be to
accept that (guix process) is broken when guix-daemon is run via binfmt
and disable the tests in that case. However, I don't know how to detect
it properly for the test suite.

WDYT?

Mathieu