Wamm K. D. 写道：
>> substitute: updating substitutes from 
>> 'https://ci.guix.gnu.org'... 100.0%
>
> I haven't let it run for longer than an hour but it just sits 
> there and
> doesn't progress any further. When I run ~guix upgrade~, it 
> halts,
> similarly, after listing which programs it's going to upgrade.
>
> Anyone, possibly, know what this is (or, at least, how I might 
> get
> around it)?

Sure: 
<https://lists.gnu.org/archive/html/guix-devel/2022-05/msg00243.html>

Use ‘--substitute-urls=https://ci.guix.gnu.org’ (i.e., remove 
bordeaux from the default list) until it's resolved.

Kind regards,

T G-R