Removed service extensions are not unloaded from Shepherd upon reconfiguring

DoneSubmitted by Maxim Cournoyer.
Details
2 participants
  • Ludovic Courtès
  • Maxim Cournoyer
Owner
unassigned
Severity
normal
M
M
Maxim Cournoyer wrote on 22 Feb 2021 21:37
(name . bug-guix)(address . bug-guix@gnu.org)
874ki3alfe.fsf@gmail.com
Hello Guix!

After fixing https://issues.guix.gnu.org/36117and reconfiguring my
system with it, one thing bothered me: the 'ps -eFww | grep guix-daemon'
would still show something like:

Toggle snippet (282 lines)
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
--chroot-directory
/gnu/store/xwl0p4m34bcan0v9vkjkyzwi6znsv4dm-pixman-0.38.4
--chroot-directory
/gnu/store/zqr3v3czlqlsamlp5kvvf15q0h13g6jn-orc-0.4.32
--chroot-directory
/gnu/store/vfr3y4j0hqrf2vg8cdb7999604gg6xwc-libjpeg-turbo-2.0.5
--chroot-directory
/gnu/store/rykm237xkmq7rl1p0nwass01p090p88x-zlib-1.2.11
--chroot-directory
/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16
--chroot-directory
/gnu/store/q5s876bc5yghh6na3ibvfxlvj6fcj17l-mit-krb5-1.18
--chroot-directory
/gnu/store/jdsrgf5k9xys81z4mwnwm94mk73h160h-opus-1.3.1
--chroot-directory
/gnu/store/knp4rkdm39ph4brkbzsp07q248nfffi1-readline-8.0.4
--chroot-directory
/gnu/store/imh5xxqw10dql4crlngbbjh4r24raf4j-expat-2.2.9
--chroot-directory
/gnu/store/bw15z9kh9c65ycc2vbhl2izwfwfva7p1-libffi-3.3
--chroot-directory
/gnu/store/a9f7wmc75hbpg520phw9z4l9asm3qvsw-bzip2-1.0.8
--chroot-directory
/gnu/store/9h9153akbd6g2520mcl2d0vgbvyfi5qm-openssl-1.1.1i
--chroot-directory /gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4
--chroot-directory
/gnu/store/807c6g9xqrxdjyhm8wm1r6jjjmc8q4vs-sqlite-3.31.1
--chroot-directory
/gnu/store/5yjp2rlvhjbxn02w5vby35ymrs0fmcjb-gdbm-1.18.1
--chroot-directory
/gnu/store/rz42ba0my9vrgbkjpkzr2drmnjk5ah50-python-3.8.2
--chroot-directory /gnu/store/k0aqiy7yx8n28dvm3f0a04ka5sd8y950-pcre-8.44
--chroot-directory
/gnu/store/8nh0hbrr8iaz6qkwavcnzi0824f3xb68-libsepol-3.0
--chroot-directory
/gnu/store/mp73dgyk8r3nhzk4dyx0iyvak9nk8y4n-libselinux-3.0
--chroot-directory
/gnu/store/a45p39mgqvfd8kjwibyr0q42k1mw7gmf-util-linux-2.35.1-lib
--chroot-directory
/gnu/store/h7sy4hr7arjknbyy1aq0xwv6fksnzw9n-libxau-1.0.9
--chroot-directory
/gnu/store/cqwj25wxzzs8frz5c9alqns24bcfspqz-libbsd-0.10.0
--chroot-directory
/gnu/store/6cdl970wcv4jhvpgbh8sdj54a5gwhmwj-libxdmcp-1.1.3
--chroot-directory
/gnu/store/3x6y8kpbwjmzpndjfhdbn654g7dm85cp-libxcb-1.14
--chroot-directory
/gnu/store/fx3979c88s9yxdbchyf36qryawgzpwb5-libx11-1.6.10
--chroot-directory
/gnu/store/12ws549m1rj0ca3ara0fxvnms7yi6bpx-dbus-1.12.16
--chroot-directory
/gnu/store/4vmhbc31cpbnlw3c96kcc094ihmaf7dv-glib-2.62.6
--chroot-directory
/gnu/store/9if71w58d5mkxfxyc7fpz289qssnkqsv-gstreamer-1.18.2
--chroot-directory
/gnu/store/yrb8dfcf1ay6wfaqcr3y9k4bb94cyxld-cdparanoia-10.2
--chroot-directory
/gnu/store/qrs0p8j3wq6q5a4dm0ndjdavk9gyal5q-libxext-1.3.4
--chroot-directory
/gnu/store/krpyb0zi700dcrg9cc8932w4v0qivdg9-pkg-config-0.29.2
--chroot-directory
/gnu/store/i8h2pcxqdq07ijm3ibkka8f4smn1w48v-bzip2-1.0.8
--chroot-directory
/gnu/store/3x2kak8abb6z2klch72kfff2qxzv00pj-libpng-1.6.37
--chroot-directory
/gnu/store/j3f5hx6yvhlj3sapiipigkwg05b49nwn-freetype-2.10.4
--chroot-directory
/gnu/store/7y3lvk3xf4im8n44337mc6y0ccysvfia-font-dejavu-2.37
--chroot-directory
/gnu/store/skxf0dmvgrw84pb2yzi1g1hwn0swv9kx-fontconfig-2.13.1
--chroot-directory
/gnu/store/cw69is9wbbllwx95wky4pmbcsk4vvbpd-libxrender-0.9.10
--chroot-directory
/gnu/store/na0x00biq02fm5cyj5a8r67qwsnsskw8-cairo-1.16.0
--chroot-directory
/gnu/store/16v7w5z5h5dxvi23q096qarhdngvkwmh-libogg-1.3.4
--chroot-directory
/gnu/store/lksia9ig14j9xb7nib531nhli2yf2g74-libtheora-1.1.1
--chroot-directory
/gnu/store/kvdycbqq60r6wsqcwjsbj97r3pkrn44p-libxv-1.0.11
--chroot-directory
/gnu/store/zravcm0vwdj733ipalw07cg2gwzjlljh-libxft-2.3.3
--chroot-directory
/gnu/store/izyah9qg6d7y1l4w8h01qh15grqn5d8x-graphite2-1.3.13
--chroot-directory
/gnu/store/ckwyq3y43i33s5fl9hb6c51418rh1qwj-icu4c-66.1
--chroot-directory
/gnu/store/rfdjzqvdawlz68ikd7zqn325h7xs716j-harfbuzz-2.6.4
--chroot-directory
/gnu/store/llccvnpm1dm94d7lndrhs2m6421p45pd-fribidi-1.0.9
--chroot-directory
/gnu/store/6afij9jsvy30gk0yswd1n5f3xg5wx9mj-pango-1.44.7
--chroot-directory
/gnu/store/36jss745s64r1xrzi2f463y4j522f977-libvorbis-1.3.7
--chroot-directory
/gnu/store/6yayj1vy1k76rmf06izwxk4kfd5klgdf-gst-plugins-base-1.18.2
--chroot-directory /gnu/store/6hffmlj7g2961fxs0gkgqax4s8ykc4rp-lz4-1.9.3
--chroot-directory
/gnu/store/20bgydwiszx3wrdqg7py2lby20dz09bg-cyrus-sasl-2.1.27
--chroot-directory
/gnu/store/xfmwvyclihlbzc6qssgwsy505gsins73-spice-0.14.3
--chroot-directory
/gnu/store/n10y99pf7pq8qh7sfb7fg80yyjjy1g32-libusb-1.0.24
--chroot-directory
/gnu/store/wra4kly9j4hb1lay28f077cczljz9b77-usbredir-0.8.0
--chroot-directory
/gnu/store/w668dl13dac6gpxvyhic21dnifrrijp6-libseccomp-2.5.1
--chroot-directory
/gnu/store/57xj5gcy1jbl9ai2lnrqnpr0dald9i65-coreutils-8.32
--chroot-directory
/gnu/store/8zvc5mvk0xm3ygrxsgpyy5ilxb5rzjry-perl-5.30.2
--chroot-directory /gnu/store/pi8p64hkx6mwmpyskc5hr8jqx924p55i-nspr-4.29
--chroot-directory /gnu/store/i7vlz7adx5aapdg9cgwjqwvaqlacxh14-nss-3.59
--chroot-directory
/gnu/store/w44ijf3y2bfwr02l03q9rs4c9xjq448v-libcacard-2.7.0
--chroot-directory
/gnu/store/rv567nsh90bqz5gfh6sh1g84jccxcifa-llvm-11.0.0
--chroot-directory /gnu/store/r7k859hmcnkazf492fasqvk25jflnfk6-xz-5.2.4
--chroot-directory
/gnu/store/c8w9z48vvx2a3q3k44ch9yn00wk1qwhb-libxml2-2.9.10
--chroot-directory
/gnu/store/qwxfy2jyhq2744s4ljcqk3hwcpsf93aq-wayland-1.18.0
--chroot-directory
/gnu/store/lgcdxkgj7ld2pwilncc2z9gyzrc7nr4a-elfutils-0.182
--chroot-directory /gnu/store/i363a64l5kd77z3q91v5gh3hh4214byp-kmod-27
--chroot-directory
/gnu/store/6libjsymzjbmq96mbx3hbbgxad588g6h-pciutils-3.7.0
--chroot-directory
/gnu/store/vkwzprr8pdmyb9vapfqcq3zp3ylaiddb-libpciaccess-0.16
--chroot-directory
/gnu/store/kx58xc3hxa9b0mp1hl7pzz43bl7gh18h-libdrm-2.4.103
--chroot-directory
/gnu/store/jwga98k68l0h5c45jx7z4jdjzhfc34vm-libxshmfence-1.3
--chroot-directory
/gnu/store/c3zbbynb590yxrpwcxrkll80mn66h3kf-libxxf86vm-1.1.4
--chroot-directory
/gnu/store/acv2khs5q9c8azzyq93dakzbkjdl0glb-libxvmc-1.0.12
--chroot-directory
/gnu/store/9z9gd76la5bww3sqgg2ax0h00msl28k6-libxfixes-5.0.3
--chroot-directory
/gnu/store/2wysr1lr7b5mc444m39qz107n92xm5xq-libxdamage-1.1.5
--chroot-directory
/gnu/store/1jjl5ggl676malqkx9nxfvnm5wmnv70m-libxrandr-1.5.2
--chroot-directory
/gnu/store/7disnxqw8i3n4zhw5s0xj9kkdckkmr1p-mesa-20.2.4
--chroot-directory
/gnu/store/jk6cs3bvrg1hr3w6zz8vpqn3zcllvzwi-libepoxy-1.5.4
--chroot-directory
/gnu/store/sr1smpijax5kk8256c5vsv7hhzzghwh7-virglrenderer-0.6.0
--chroot-directory
/gnu/store/ngfzj8sjvavwqvnmxi4l27xi9sgayqr1-libevent-2.1.11
--chroot-directory
/gnu/store/hgr362nvsjrm8nli47waxl8q7ymi6h9s-libcap-2.31
--chroot-directory
/gnu/store/ggwz99h5m080bkgyj1w653ps5864vqiy-libdaemon-0.14
--chroot-directory /gnu/store/s69jhnl7avgcp8bnmhj82nm93hc8nipx-avahi-0.8
--chroot-directory
/gnu/store/q0111brhf73if977f8c31rpjnwjvzsrd-libpaper-1.1.24
--chroot-directory
/gnu/store/hbqlzgd8hcf6ndcmx7q7miqrsxb4dmkk-gs-fonts-8.11
--chroot-directory
/gnu/store/d80nhbm9g2y246ajx7q6mpmwh5fssiwq-libtiff-4.1.0
--chroot-directory
/gnu/store/zg126cjicrpm2p6zc08ra5vh4ddag7ww-libgc-8.0.4
--chroot-directory
/gnu/store/vb12knxd3cdrgnk548l4f6m628ikg8pf-libtasn1-4.16.0
--chroot-directory
/gnu/store/4i9lvjz9z9j4kj412jpqv4zxjcik9qcb-libunistring-0.9.10
--chroot-directory
/gnu/store/pzm72ywfyqv1g0h4571p6zlhg566cwwd-libidn2-2.3.0
--chroot-directory /gnu/store/35afkywncrr5xsb4cxcljf6rpjcb7f61-gmp-6.2.0
--chroot-directory
/gnu/store/mz5fvdfks10rmwxf29n95bp9bim6wq7g-nettle-3.5.1
--chroot-directory
/gnu/store/i5a9qb07y9xjh9ry8hp6km43kji16nmd-libltdl-2.4.6
--chroot-directory
/gnu/store/fvhj74pghapbjvsvj27skvkra1by1965-bash-minimal-5.0.16
--chroot-directory
/gnu/store/18hp7flyb3yid3yp49i6qcdq0sbi5l1n-guile-3.0.2
--chroot-directory
/gnu/store/198dw01d3mp26ghdxym5hsi60lfynm9m-gnutls-3.6.15
--chroot-directory
/gnu/store/78rc8isxy90n5xs0ci84ym14fxkpc2ap-cups-minimal-2.3.3
--chroot-directory
/gnu/store/4gwakx3vkmyzpk72dap8mpckyzhlf1jk-jbig2dec-0.18
--chroot-directory
/gnu/store/yf81h4xdajc6jbxs5amqajai9w0yfixb-ghostscript-with-cups-9.52
--chroot-directory
/gnu/store/yav4zlcwczvpq26s8q149if8n6amvkyi-qpdf-10.0.1
--chroot-directory /gnu/store/86p77x91sx6a702f9s4a3a43yf0i03kj-lcms-2.9
--chroot-directory
/gnu/store/vywzrxkjrna28jmdjc4crl4hyf7gpghc-openjpeg-2.3.1
--chroot-directory
/gnu/store/06waislc8ix5xy6xli5ibcgc9753991v-cairo-1.16.0
--chroot-directory
/gnu/store/fc1rxw5sfzxyrxbgami9yr4mylhqas91-poppler-0.86.1
--chroot-directory
/gnu/store/dxsdv7nnq2in28ppbh07hli0p17znjni-cups-filters-1.27.4
--chroot-directory
/gnu/store/yndxxc2b9lyfdsvwwlxz2piy1k4p98zf-cups-2.3.3
--chroot-directory
/gnu/store/x3sgkg38hrawbwnlmvv6k2lq9hkbq631-libxcursor-1.2.0
--chroot-directory
/gnu/store/k1nzzz06q1byj60n3m8m6wx4kp3i4x47-libxi-1.7.10
--chroot-directory
/gnu/store/j8r1yfa36g3vlxlbrmkx4q3m5r53s5d7-libcroco-0.6.13
--chroot-directory
/gnu/store/6x1fca88scbzql6844xpf7pk1hs6xacp-pango-1.42.4
--chroot-directory
/gnu/store/0676qmb2pdi3kh37sjgba3g826sqzfsk-gdk-pixbuf-2.40.0
--chroot-directory
/gnu/store/3a6vlmijrccam7m1xbds13xq35lxv8a0-librsvg-2.40.21
--chroot-directory
/gnu/store/irjan5wq7j25fa2m6n2xhl8mglsaqxn4-gdk-pixbuf+svg-2.40.0
--chroot-directory
/gnu/store/dkm59bch3zdnhsxdqv13gvx7sf9h0zp0-atk-2.34.1
--chroot-directory
/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

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

Toggle snippet (147 lines)
(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 <service> #: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))))))

It seems to be that service extensions are not unloaded when removed
from the services that caused them to be loaded?

Thanks,

Maxim
L
L
Ludovic Courtès wrote on 23 Feb 2021 16:34
(name . Maxim Cournoyer)(address . maxim.cournoyer@gmail.com)(address . 46712@debbugs.gnu.org)
87a6ru4x3e.fsf@gnu.org
Hi!

At the Shepherd level, there’s no notion of service extension.
Normally, after reconfiguring, “herd restart guix-daemon” (really
“restart”, not “stop” + “start”) should start the new service, which
doesn’t have all these ‘--chroot-directory’ options.

Note that the guix-daemon process you should seems to be a child process
(presumably because there was still a client running when you restarted
the service), not the main guix-daemon process.

You should check the command line of the main process, the one returned
by “herd status guix-daemon”.

HTH!

Ludo’.
M
M
Maxim Cournoyer wrote on 25 Feb 2021 14:35
(name . Ludovic Courtès)(address . ludo@gnu.org)(address . 46712-done@debbugs.gnu.org)
87tuq08e31.fsf@gmail.com
Hello!

Ludovic Courtès <ludo@gnu.org> writes:

Toggle quote (7 lines)
> Hi!
>
> At the Shepherd level, there’s no notion of service extension.
> Normally, after reconfiguring, “herd restart guix-daemon” (really
> “restart”, not “stop” + “start”) should start the new service, which
> doesn’t have all these ‘--chroot-directory’ options.

FTR, I had used 'guix deploy' and issued 'sudo herd restart guix-daemon'
on the remote after it completed successfully. Why should stop + start
be different than restart though? That seems counter-intuitive.

Toggle quote (7 lines)
> Note that the guix-daemon process you should seems to be a child process
> (presumably because there was still a client running when you restarted
> the service), not the main guix-daemon process.
>
> You should check the command line of the main process, the one returned
> by “herd status guix-daemon”.

You are right that this process has the correct arguments:

$ sudo herd status guix-daemon
Status of guix-daemon:
It is started.
Running value is 25628.
It is enabled.
Provides (guix-daemon).
Requires (user-processes).
Conflicts with ().
Will be respawned.

$ cat /proc/25628/cmdline
/gnu/store/rqif4yxa6ny4nxrdq6whnva2r089jm0c-guix-1.2.0-13.a53f711/bin/guix-daemon--build-users-groupguixbuild--max-silent-time0--timeout0--log-compressionnone--discover=no--substitute-urlshttps://ci.guix.gnu.org--max-jobs=20

Some of the other process were apparently caused by 'guix
environment' shells still running in screen; I've terminated them all
now and ran 'sudo herd stop guix-daemon'; surprisingly I still had two
remaining guix-daemon processes that were launched manually for testing
purposes. That's on a Guix system with an uptime of 174 days and
counting :-).

Thank you for the answer and sorry for the noise! It works as designed.

Closing.

Maxim
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