Pierre Neidhardt <mail@ambrevar.xyz> writes:

> Ludovic Courtès <ludo@gnu.org> writes:
>
>> Users are not supposed to see backtraces coming from the daemon or its
>> helpers (‘guix substitute’, ‘guix offload’, etc.).
>
> How are we supposed to debug Guix daemon errors?

You can run it directly from a shell, and/or attach a debugger.

I agree that if a failure happens on the daemon level, Guix should print
an actionable error message instead of a confusing back trace.