Hi, In /var/log/cuirass-remote-worker.log on overdrive1.guix, I found this: --8<---------------cut here---------------start------------->8--- 2022-11-21 14:27:24 Backtrace: 2022-11-21 14:27:24 Backtrace: 2022-11-21 14:27:24 In ice-9/boot-9.scm: 2022-11-21 14:27:24 In ice-9/boot-9.scm: 2022-11-21 14:27:24 1752:10 10 (with-exception-handler _ _ #:unwind? _ # _) 2022-11-21 14:27:24 In unknown file: 2022-11-21 14:27:24 9 (apply-smob/0 #) 2022-11-21 14:27:24 In ice-9/boot-9.scm: 2022-11-21 14:27:24 724:2 8 (call-with-prompt _ _ #) 2022-11-21 14:27:24 In ice-9/eval.scm: 2022-11-21 14:27:24 1752:10 10 (with-exception-handler _ _ #:unwind? _ # _) 2022-11-21 14:27:24 619:8 7 (_ #(#(#))) 2022-11-21 14:27:24 In cuirass/ui.scm: 2022-11-21 14:27:24 In unknown file: 2022-11-21 14:27:24 9 (apply-smob/0 #) 2022-11-21 14:27:24 104:10 6 (run-cuirass-command _ . _) 2022-11-21 14:27:24 In ice-9/boot-9.scm: 2022-11-21 14:27:24 In ice-9/boot-9.scm: 2022-11-21 14:27:24 724:2 8 (call-with-prompt _ _ #) 2022-11-21 14:27:24 1752:10 5 (with-exception-handler _ _ #:unwind? _ # _) 2022-11-21 14:27:24 In ice-9/eval.scm: 2022-11-21 14:27:24 In cuirass/scripts/remote-worker.scm: 2022-11-21 14:27:24 619:8 7 (_ #(#(#))) 2022-11-21 14:27:24 In cuirass/ui.scm: 2022-11-21 14:27:24 104:10 6 (run-cuirass-command _ . _) 2022-11-21 14:27:24 435:12 4 (_) 2022-11-21 14:27:24 In srfi/srfi-1.scm: 2022-11-21 14:27:24 In ice-9/boot-9.scm: 2022-11-21 14:27:24 1752:10 5 (with-exception-handler _ _ #:unwind? _ # _) 2022-11-21 14:27:24 634:9 3 (for-each # ?) 2022-11-21 14:27:24 In cuirass/scripts/remote-worker.scm: 2022-11-21 14:27:24 In cuirass/scripts/remote-worker.scm: 2022-11-21 14:27:24 448:18 2 (_ _) 2022-11-21 14:27:24 435:12 4 (_) 2022-11-21 14:27:24 In srfi/srfi-1.scm: 2022-11-21 14:27:24 634:9 3 (for-each # ?) 2022-11-21 14:27:24 356:11 1 (start-worker _ _) 2022-11-21 14:27:24 In cuirass/scripts/remote-worker.scm: 2022-11-21 14:27:24 In ice-9/boot-9.scm: 2022-11-21 14:27:24 448:18 2 (_ _) 2022-11-21 14:27:24 1685:16 0 (raise-exception _ #:continuable? _) 2022-11-21 14:27:24 2022-11-21 14:27:24 ice-9/boot-9.scm:1685:16: In procedure raise-exception: 2022-11-21 14:27:24 Throw to key `match-error' with args `("match" "no matching pattern" (#vu8()))'. 2022-11-21 14:27:24 356:11 1 (start-worker _ _) 2022-11-21 14:27:24 In ice-9/boot-9.scm: 2022-11-21 14:27:24 1685:16 0 (raise-exception _ #:continuable? _) 2022-11-21 14:27:24 2022-11-21 14:27:24 ice-9/boot-9.scm:1685:16: In procedure raise-exception: 2022-11-21 14:27:24 Throw to key `match-error' with args `("match" "no matching pattern" (#vu8()))'. --8<---------------cut here---------------end--------------->8--- (Stuttering is due to the unprotected use of ‘primitive-fork’: a non-local exit in the child leads it to execute the same code as its parent. We should fix that, but should we really fork in the first place? :-)) This comes from here: --8<---------------cut here---------------start------------->8--- (define (read-server-info socket) (request-info socket) (match (zmq-get-msg-parts-bytevector socket '()) ;<-- here ((empty info) (match (zmq-read-message (bv->string info)) (('server-info ('worker-address worker-address) ('log-port log-port) ('publish-port publish-port)) (list worker-address log-port publish-port)))))) --8<---------------cut here---------------end--------------->8--- This is the version being used: --8<---------------cut here---------------start------------->8--- ludo@overdrive1 ~$ cat /proc/24019/cmdline |xargs -0 /gnu/store/zpir9n73amaxrwz2k7x46l73v21vxk6s-guile-3.0.8/bin/guile --no-auto-compile -e main -s /gnu/store/rlqdzmfyamjpn6lz07yqk2hsabv3l7g5-cuirass-1.1.0-11.9f08035/bin/.cuirass-real remote-worker --workers=2 --server=10.0.0.1:5555 --systems=armhf-linux,aarch64-linux --publish-port=5558 --substitute-urls=http://10.0.0.1 ludo@overdrive1 ~$ guix system describe Generation 36 Sep 27 2022 09:06:48 (current) file name: /var/guix/profiles/system-36-link canonical file name: /gnu/store/m04qw6f0lfd0wpn1skiys4b56wqfc3b8-system label: GNU with Linux-Libre 5.19.11 bootloader: grub-efi root device: /dev/sda3 kernel: /gnu/store/09r4wbbabskmbrnwmshpdk7vh6g87gam-linux-libre-5.19.11/Image channels: guix: repository URL: https://git.savannah.gnu.org/git/guix.git commit: f15a141cf35bd4188767f0e91c0654991d4c49e0 configuration file: /gnu/store/myvzd1kpw2pfzfj3krl4lzpcbqsdn48x-configuration.scm --8<---------------cut here---------------end--------------->8--- The sequence leading to this seems to be: --8<---------------cut here---------------start------------->8--- 22340 eventfd2(0, EFD_CLOEXEC […] 22340 <... eventfd2 resumed>) = 15 […] 22340 ppoll([{fd=15, events=POLLIN}], 1, NULL, NULL, 0 […] 22340 <... ppoll resumed>) = 1 ([{fd=15, revents=POLLIN}]) 22343 epoll_pwait(8, 22340 read(15, "\1\0\0\0\0\0\0\0", 8) = 8 22340 ppoll([{fd=15, events=POLLIN}], 1, {tv_sec=0, tv_nsec=0}, NULL, 0) = 0 (Timeout) 22340 write(2, "Backtrace:\n", 11) = 11 --8<---------------cut here---------------end--------------->8--- Does that ring a bell? Perhaps that was fixed in the meantime? Right now it cannot be restarted: it always fails at start up with the error above. 10.0.0.1 is reachable though so I’m not sure what’s up. Ludo’.