Hello Guix! After fixing https://issues.guix.gnu.org/36117 and reconfiguring my system with it, one thing bothered me: the 'ps -eFww | grep guix-daemon' would still show something like: --8<---------------cut here---------------start------------->8--- root 32139 1 0 3434 3504 0 10:28 ? 00:00:00 /gnu/store/rqif4yxa6ny4nxrdq6whnva2r089jm0c-guix-1.2.0-13.a53f711/bin/guix-daemon 11422 guixbuild --max-silent-time 0 --timeout 0 --log-compression none --discover=no --substitute-urls http://127.0.0.1:8080 https://ci.guix.gnu.org --max-jobs=4 --chroot-directory /gnu/store/mmhimfwmmidf09jw1plw3aw1g1zn2nkh-bash-static-5.0.16 --chroot-directory /gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31 --chroot-directory /gnu/store/01b4w3m6mp55y531kyi1g8shh722kwqm-gcc-7.5.0-lib --chroot-directory /gnu/store/zzkly5rbfvahwqgcs7crz0ilpi7x5g5p-ncurses-6.2 --chroot-directory /gnu/store/z1iyvbvnkd7zkjxsx157n6qx2iwzxq7p-alsa-lib-1.2.4 --chroot-directory /gnu/store/yg1qj1kzf7wwkvls8n5p9cjq96xrwx03-libcap-ng-0.8.2 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/gnu/store/qz3zdrz12rxawlkvah9qjhjyf6fh1v98-xkeyboard-config-2.31 --chroot-directory /gnu/store/dgs5apgmmbhgy9r901akix1h122dlh3g-libxkbcommon-1.0.3 --chroot-directory /gnu/store/bnfwds89wf2ffsagmpmq2m769p52s4i2-libxtst-1.2.3 --chroot-directory /gnu/store/s73zsgfawx0vrizi50y4jhwdq7k41f51-at-spi2-core-2.34.0 --chroot-directory /gnu/store/8jhflv0lv1vaa058ydzwdy64daw3s64m-at-spi2-atk-2.34.1 --chroot-directory /gnu/store/53j0cm2ws9g67a318bs5gplyiyjbnyqr-libxinerama-1.1.4 --chroot-directory /gnu/store/n2cnp2fivxq10kxqalcv2q41wzsyj9yd-gtk+-3.24.24 --chroot-directory /gnu/store/svplp9wl0g2ahlv5rf6bhmq3xvp4zzh3-eudev-3.2.9 --chroot-directory /gnu/store/pc6dg1giwmy8fx20rm0hmxs29h9b1ad1-libcap-2.45 --chroot-directory /gnu/store/k0qs5d487wvgcd0qy32fxi01xb8iryqb-speexdsp-1.2.0 --chroot-directory /gnu/store/cv3xvkpxdfkf5sm4yzn4cwfkhx37p5dh-bdb-6.2.32 --chroot-directory /gnu/store/8d016xp69bzag8vc4r3w3fg6y1p1gcn2-libsndfile-1.0.30 --chroot-directory /gnu/store/6j0110bhafaxy9ja1apldszpjjg57fja-libice-1.0.10 --chroot-directory /gnu/store/66qbwqdaw53pfim2yqqhjx5pbkdygdha-sbc-1.5 --chroot-directory /gnu/store/30lpkdz8bvs13ps2qf55mjzv09v08741-libsm-1.2.3 --chroot-directory /gnu/store/2rc3mpcdrc7ywrhpxyhx1rjpmifdw4md-jack-0.125.0 --chroot-directory /gnu/store/02z5vgdhgxw4gcjvhx51mvy1ax4lzxmp-fftwf-3.3.8 --chroot-directory /gnu/store/lpdwh8j6xpfgg716d4lny6j0mjdn1fis-pulseaudio-14.0 --chroot-directory /gnu/store/vkvsf3g91sfpxz9imlairxqm2hh8qlwb-libpcap-1.9.1 --chroot-directory /gnu/store/003ny8nsfmcbpm6mmivggyzj58ld9fzd-openssl-1.0.2u --chroot-directory /gnu/store/bymn22y4irfn9hkp6z8jc03xxbz3i6ly-vde2-2.3.2 --chroot-directory /gnu/store/6j8k26az3603pabrkgq5rilj07jmvxy9-libaio-0.3.112 --chroot-directory /gnu/store/2zq80i8hbhxv2z35h03hpyghlclsqfch-sdl2-2.0.12 --chroot-directory /gnu/store/xji0gbq0axvbk9fvk7hry48sshcji5y5-qemu-5.1.0 --8<---------------cut here---------------end--------------->8--- Even after restarting both the guix-daemon and qemu-binfmt services. The guix-daemon.scm service definition referenced by my system is this: $ guix gc -R /run/current-system | grep guix-daemon.scm /gnu/store/m3b1d3awnnjal093hqc5qjxhxskn5px2-shepherd-guix-daemon.scm --8<---------------cut here---------------start------------->8--- (eval-when (expand load eval) (let ((extensions (quote ())) (prepend (lambda (items lst) (let loop ((items items) (lst lst)) (if (null? items) lst (loop (cdr items) (cons (car items) (delete (car items) lst)))))))) (set! %load-path (prepend (cons "/gnu/store/hbvk7jym815f4xqhpkpjhqs3rh30y437-module-import" (map (lambda (extension) (string-append extension "/share/guile/site/" (effective-version))) extensions)) %load-path)) (set! %load-compiled-path (prepend (cons "/gnu/store/viyhk32c77k0bz0ww2r9kq44gj30gq25-module-import-compiled" (map (lambda (extension) (string-append extension "/lib/guile/" (effective-version) "/site-ccache")) extensions)) %load-compiled-path)))) (begin (use-modules (srfi srfi-1) (ice-9 match) (gnu build shepherd)) (make #:docstring (quote "Run the Guix daemon.") #:provides (quote (guix-daemon)) #:requires (quote (user-processes)) #:one-shot? (quote #f) #:respawn? (quote #t) #:start (lambda args (define proxy (or (getenv "http_proxy") #f)) (define discover? (or (getenv "discover") #f)) (fork+exec-command/container (cons* "/gnu/store/rqif4yxa6ny4nxrdq6whnva2r089jm0c-guix-1.2.0-13.a53f711/bin/guix-daemon" "--build-users-group" "guixbuild" "--max-silent-time" "0" "--timeout" "0" "--log-compression" "none" (string-append "--discover=" (if discover? "yes" "no")) "--substitute-urls" "http://127.0.0.1:8080 https://ci.guix.gnu.org" "--max-jobs=4" (append-map (lambda (file) (append-map (lambda (directory) (list "--chroot-directory" directory)) (call-with-input-file file read))) (quote ()))) #:pid (match args ((pid) (string->number pid)) (else (getpid))) #:environment-variables (append (list (string-append "GUIX_LOCPATH=" "/gnu/store/395pvii4bcjqxvdv7h0drq10lxi01sv1-glibc-utf8-locales-2.31" "/lib/locale") "LC_ALL=en_US.utf8") (if proxy (list (string-append "http_proxy=" proxy) (string-append "https_proxy=" proxy)) (quote ()))) #:log-file "/var/log/guix-daemon.log")) #:stop (make-kill-destructor) #:actions (make-actions (set-http-proxy "Change the HTTP(S) proxy used by 'guix-daemon' and restart it." (lambda* (_ #:optional proxy) (let ((environment (environ))) (if proxy (begin (format #t "changing HTTP/HTTPS proxy of 'guix-daemon' to ~s...~%" proxy) (setenv "http_proxy" proxy)) (begin (format #t "clearing HTTP/HTTPS proxy of 'guix-daemon'...~%") (unsetenv "http_proxy"))) (action (quote guix-daemon) (quote restart)) (environ environment) #t))) (discover "Enable or disable substitute servers discovery and restart the\n'guix-daemon'." (lambda* (_ status) (let ((environment (environ))) (if (and status (string=? status "on")) (begin (format #t "enable substitute servers discovery~%") (setenv "discover" "on")) (begin (format #t "disable substitute servers discovery~%") (unsetenv "discover"))) (action (quote guix-daemon) (quote restart)) (environ environment) #t)))))) --8<---------------cut here---------------end--------------->8--- It seems to be that service extensions are not unloaded when removed from the services that caused them to be loaded? Thanks, Maxim