Fresh 30.1 installation : spurious (void-variable ERROR:) messages and emacs working badly

I just finished upgrading a computer from debian bookworm to trixie, and 
have a lot of problems with emacs. At the begining I thought that the 
problem was lying in my config, but even with `emacs -q` The 
`*Messages*` buffer contains the following :

```
     Loading /etc/emacs/site-start.d/00debian.el (source)...done
     Loading /etc/emacs/site-start.d/50autoconf.el (source)...done
     Loading /etc/emacs/site-start.d/50dictionaries-common.el (source)...
     Loading debian-ispell...
     Loading /var/cache/dictionaries-common/emacsen-ispell-default.el 
(source)...done
     Loading debian-ispell...done
     Loading /var/cache/dictionaries-common/emacsen-ispell-dicts.el 
(source)...done
     Loading /etc/emacs/site-start.d/50dictionaries-common.el 
(source)...done
     Loading /etc/emacs/site-start.d/50latexmk.el (source)...done
     For information about GNU Emacs and the GNU system, type C-h C-a.
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/site-lisp/dictionaries-common/debian-ispell.el" nil 
late)) signaled (void-variable ERROR:)
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/30.1/lisp/emacs-lisp/rx.el.gz" nil late)) signaled 
(void-variable ERROR:) [66 times]
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/site-lisp/dictionaries-common/debian-ispell.el" nil 
late)) signaled (void-variable ERROR:) [9 times]
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/30.1/lisp/cus-edit.el.gz" nil late)) signaled 
(void-variable ERROR:) [96 times]
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/30.1/lisp/emacs-lisp/pp.el.gz" nil late)) signaled 
(void-variable ERROR:) [27 times]
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/30.1/lisp/cus-edit.el.gz" nil late)) signaled 
(void-variable ERROR:) [105 times]
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/30.1/lisp/emacs-lisp/icons.el.gz" nil late)) signaled 
(void-variable ERROR:) [17 times]
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/30.1/lisp/wid-edit.el.gz" nil late)) signaled 
(void-variable ERROR:) [209 times]
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/30.1/lisp/emacs-lisp/cl-lib.el.gz" nil late)) 
signaled (void-variable ERROR:) [30 times]
     Error muted by safe_call: (apply native--compile-async 
("/usr/share/emacs/site-lisp/debian-startup.el" nil late)) signaled 
(void-variable ERROR:) [4 times]
```


The problem is that after that, almost everything is broken. For 
example, running `packages-list-packages` gives another bunch of 
`(void-variable ERROR:)` in the `*Messages*` buffer and the package list 
never appear.

I tried to deactivate all files launched from `/etc/emacs/site-start.d` 
with no success.
I also tried to uninstall emacs with an `apt purge` command and 
reinstall it with no success.

I grepped recursively in all emacs dirs in search of this "ERROR:" string :

```
$ find /etc/emacs/ /usr/share/emacs /usr/share/emacsen-common/ 
/usr/lib/emacs /usr/lib/emacsen-common/ -exec grep -EHn -e 'ERROR:' '{}' 
';' 2>/dev/null
/usr/share/emacs/30.1/etc/ps-prin0.ps:106:    (# ERROR: )prnt errorname 
prnt nl
/usr/share/emacs/30.1/etc/compilation.txt:212: 
ERROR:/Users/salutis/src/AndroidSchemeExperiment/app/build/intermediates/incremental/debug/mergeDebugResources/stripped.dir/layout/item.xml:3: 
AAPT: error: '16dpw' is incompatible with attribute padding (attr) 
dimension.
/usr/share/emacs/30.1/etc/compilation.txt:628:*** ERROR: Spurious text 
after =cut at line 193 in file foo.pm
/usr/share/emacs/30.1/etc/compilation.txt:629:*** ERROR: =over on line 
37 without closing =back at line EOF in file bar.pm
/usr/share/emacs/30.1/etc/compilation.txt:630:*** ERROR: =over on line 1 
without closing =back (at head1) at line 3 in file x.pod
/usr/lib/emacsen-common/emacs-package-install:62:  die "ERROR: cannot 
unlink $::installed_package_state_dir/$pkg: $!, "
/usr/lib/emacsen-common/emacs-package-install:89:        print STDERR 
"ERROR: install script from $pkg package failed\n";
/usr/lib/emacsen-common/emacs-package-install:104:        print STDERR 
"ERROR: install script from $pkg package failed\n";
/usr/lib/emacsen-common/emacs-install:57:  die "ERROR: cannot unlink $f: 
$!, " unless (unlink($f) or $!{ENOENT});
/usr/lib/emacsen-common/emacs-install:90:    print STDERR "ERROR: 
install script from $pkg package failed\n";
/usr/lib/emacsen-common/emacs-package-remove:59:      print STDERR 
"ERROR: remove script from $pkg package failed\n";
/usr/lib/emacsen-common/emacs-package-remove:74:      print STDERR 
"ERROR: remove script from $pkg package failed\n";
/usr/lib/emacsen-common/emacs-package-remove:80:die "ERROR: cannot 
unlink $::installed_package_state_dir/$pkg: $!, "
/usr/lib/emacsen-common/lib.pl:40:      print STDERR "ERROR: $pkg is 
broken - called $script as an old-style add-on, but has compat file.\n";
/usr/lib/emacsen-common/lib.pl:48:      print STDERR "ERROR: $pkg is 
broken - called $script as a new-style add-on, but has no compat file.\n";
/usr/lib/emacsen-common/emacs-remove:69:    print STDERR "ERROR: remove 
script from $pkg package failed\n";
/usr/lib/emacsen-common/emacs-remove:75:die "ERROR: cannot unlink 
$pending_flavor: $!, "
/usr/lib/emacsen-common/emacs-remove:81:die "ERROR: cannot unlink 
$::installed_flavor_state_dir/$flavor: $!, "
```
I do not see any problem with this : occurrences of ERROR: are only in 
strings, so I cannot see any reference to an undefined ERROR: variable !

I'm completely stuck and urgently need my emacs to work again.

Does anybody have any idea of other directions to investigate ?
Thank you in advance.
Regards.

Eric


-- 
Éric Würbel
http://eric-wurbel.pedaweb.univ-amu.fr/extranet/
Enseignement: IUT R&T
Recherche: LIS CNRS, UMR7020
http://www.lis-lab.fr/