Intel® Core™ i7-8550U CPU @ 1.80GHz × 8
Mesa Intel® UHD Graphics 620 (KBL GT2)
Guix System, 64 bits, GNOME 40.4, X11

After guix pull
-------------------------------------------------------------------------------------------
Computing Guix derivation for 'x86_64-linux'... \Backtrace:
          17 (primitive-load
"/gnu/store/9x5ixhawcvbyjcg23m2cwg7ja52x2f6l-compute-guix-derivation")
In ice-9/eval.scm:
    155:9 16 (_ _)
    159:9 15 (_ #(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#(#<directory (guile-u?> ?)
?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?) ?))
In ice-9/boot-9.scm:
    152:2 14 (with-fluid* _ _ _)
    152:2 13 (with-fluid* _ _ _)
In ./guix/store.scm:
  2129:24 12 (run-with-store #<store-connection 256.99 7f52432db140>
#<procedure 7f5229f8b6e0 at ./guix/self.scm:12?> ?)
   1966:8 11 (_ #<store-connection 256.99 7f52432db140>)
In ./guix/gexp.scm:
   300:22 10 (_ #<store-connection 256.99 7f52432db140>)
   1181:2  9 (_ #<store-connection 256.99 7f5236bf2fa0>)
   1047:2  8 (_ #<store-connection 256.99 7f5236bf2fa0>)
    893:4  7 (_ #<store-connection 256.99 7f5236bf2fa0>)
In ./guix/store.scm:
  2014:12  6 (_ #<store-connection 256.99 7f5236bf2fa0>)
   1406:5  5 (map/accumulate-builds #<store-connection 256.99 7f5236bf2fa0>
#<procedure 7f523368b320 at ./guix/stor?> ?)
  1421:15  4 (_ #<store-connection 256.99 7f5236bf2fa0>
("/gnu/store/gcvv1i5shqmkd6x1pjwjdrvr7z4lb5ss-guile-ssh-?" ?) ?)
  1421:15  3 (loop #f)
   733:11  2 (process-stderr #<store-connection 256.99 7f5236bf2fa0> _)
In ./guix/serialization.scm:
   102:11  1 (read-int #<input-output: file 10>)
     80:6  0 (get-bytevector-n* #<input-output: file 10> 8)

./guix/serialization.scm:80:6: In procedure get-bytevector-n*:
ERROR:
  1. &nar-error:
      file: #f
      port: #<input-output: file 10>
guix pull: error: You found a bug: the program
'/gnu/store/9x5ixhawcvbyjcg23m2cwg7ja52x2f6l-compute-guix-derivation'
failed to compute the derivation for Guix (version:
"b80ca672de936a76368de6e6ea0b28505e74d420"; system: "x86_64-linux";
host version: "0a64b629ae8512790d532158a72a4a25698e8157"; pull-version: 1).


-- 
Pedro Herrero García