I think I've gathered a clue! scheme@(guix-user)> ,m (shepherd service) scheme@(shepherd service)> (system "pidof rpc.mountd") 413 408 406 404 399 389 387 $1 = 0 scheme@(shepherd service)> (system "killall rpc.mountd") $2 = 0 scheme@(shepherd service)> (system "pidof rpc.mountd") $3 = 256 [...] scheme@(shepherd service)> (make-forkexec-constructor (list "/gnu/store/qyz1bncxlkxv44c03sva2akfsyqzkzh5-nfs-utils-2.4.2/sbin/rpc.mountd" "--debug" "all")) $5 = #<procedure 7f67f82862a0 at shepherd/service.scm:930:8 args> scheme@(shepherd service)> ($5) $6 = 816 scheme@(shepherd service)> (system "pidof rpc.mountd") warning: 'waitpid' -1 failed unexpectedly: No child processes 817 warning: 'waitpid' -1 failed unexpectedly: No child processes $7 = 0
[...] scheme@(shepherd service)> (system "pgrep rpc.mountd") 817 warning: 'waitpid' -1 failed unexpectedly: No child processes $10 = 0 scheme@(shepherd service)> That warning thrown by Guile/Shepherd is our clue. To be continued :-). Maxim
