I installed guix on my Fedora 23 machine according to
https://www.gnu.org/software/guix/manual/html_node/Binary-Installation.html#Binary-Installation.
After that, I don't recall installing anything but guile. When I attempt to
run the following command, I see a backtrace.

# guix package -u "*"
warning: failed to install locale: Invalid argument
Backtrace:
In ice-9/boot-9.scm:
 157: 16 [catch #t #<catch-closure 27e4d20> ...]
In unknown file:
   ?: 15 [apply-smob/1 #<catch-closure 27e4d20>]
In ice-9/boot-9.scm:
  63: 14 [call-with-prompt prompt0 ...]
In ice-9/eval.scm:
 432: 13 [eval # #]
In ice-9/boot-9.scm:
2401: 12 [save-module-excursion #<procedure 2801940 at
ice-9/boot-9.scm:4045:3 ()>]
4050: 11 [#<procedure 2801940 at ice-9/boot-9.scm:4045:3 ()>]
1724: 10 [%start-stack load-stack ...]
1729: 9 [#<procedure 2818ea0 ()>]
In unknown file:
   ?: 8 [primitive-load
"/gnu/store/85nyj4lz480mxaj5szffli3c1k2rbhfn-guix-0.8.3/bin/.guix-real"]
In guix/ui.scm:
1032: 7 [run-guix-command package "-u" "*"]
In ice-9/boot-9.scm:
 157: 6 [catch srfi-34 #<procedure 4142a20 at guix/ui.scm:378:2 ()> ...]
 157: 5 [catch system-error ...]
In guix/scripts/package.scm:
 995: 4 [#<procedure 4144150 at guix/scripts/package.scm:984:4 ()>]
 854: 3 [process-actions (# # # # ...)]
 566: 2 [options->installable (# # # # ...) #<<manifest> entries: #>]
In srfi/srfi-1.scm:
 664: 1 [filter-map #<procedure 413e5e0 at guix/scripts/package.scm:566:16
(expr)> ...]
In unknown file:
   ?: 0 [make-regexp "*"]

ERROR: In procedure make-regexp:
ERROR: In procedure make-regexp: Invalid preceding regular expression

# guix --version
warning: failed to install locale: Invalid argument
guix (GNU Guix) 0.8.3

-- 
Jan Synáček