Re: guix system disk-image failure aarch64 -> armhf

[Efraim Flashner]

On Mon, Sep 14, 2020 at 11:32:42AM +0200, Andreas Enge wrote:
> Hello Mathieu,
> 
> thanks for your helpful reply!
> 
> On Wed, Sep 09, 2020 at 11:11:18AM +0200, Mathieu Othacehe wrote:
> > That does not really explain the error though, but that's another
> > issue. The pending patch here[1], will hopefully help users specify
> > their target image. It means that you should be able to write:
> > 
> > --8<---------------cut here---------------start------------->8---
> > guix system disk-image -t novena config.scm
> > --8<---------------cut here---------------end--------------->8---
> 
> That looks really interesting, but I cannot meaningfully comment on the
> bug report. Maybe it is time after the summer vacation season to poke
> people more competent on the subject to comment :)
> 
> > Until then, running something like:
> > --8<---------------cut here---------------start------------->8---
> > (run-with-store (open-connection)
> >   (mlet* %store-monad
> >       ((drv     (lower-object (system-image my-image "armhf-linux")))
> >        (build   (built-derivations (list drv))))
> >     (return #t)))
> > --8<---------------cut here---------------end--------------->8---
> 
> If by running you mean calling "guile the-above-file.scm", then I get
> strange results. I just did a "guix system reconfigure"; "which guile"
> returns "/run/current-system/profile/bin/guile". However then I get lots
> of suspicious messages of this kind:
> ;;; In procedure load-thunk-from-memory: incompatible bytecode version
> ;;; WARNING: compilation of 
> /run/current-system/profile/share/guile/site/3.0/guix/diagnostics.scm failed:
> ;;; Unbound variable: trivial-format-string?
> 
> How can byte codes be incompatible if on one hand they are part of the
> profile, on the other hand I am running guile from the same profile?
> 
> Andreas
> 

I'm not sure about the trivial-format-string? warning (we should
probably investigate that). Guix is built with guile 3.0.2 and we have
guile-3.0.4. There was an unfortunate soversion bump with guile-3.0.2
and we've been having the incompatible bytecode version since with guile
programs. I've noticed it when launching shepherd as my user.

-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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