here comes the strace:
------------
hobbes@sphax:~$ sudo strace -p 671890
strace: Process 671890 attached
select(6, [3 4 5], NULL, NULL, NULL
waits here before I send the mail
) = 1 (in [5])
wait4(-1, 0x7ffd5fdf4034, WNOHANG, NULL) = -1 ECHILD (Aucun processus enfant)
accept(5, {sa_family=AF_INET6, sin6_port=htons(50964), sin6_flowinfo=htonl(0),
inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, [28]) = 6
fcntl(6, F_GETFL) = 0x2 (flags O_RDWR)
dup(6) = 7
fcntl(7, F_GETFL) = 0x2 (flags O_RDWR)
getsockname(6, {sa_family=AF_INET6, sin6_port=htons(25),
sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr),
sin6_scope_id=0}, [28]) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
child_tidptr=0x7faf36b64c50) = 706004
close(6) = 0
close(7) = 0
select(6, [3 4 5], NULL, NULL, NULL
waits 10 seconds here
) = ? ERESTARTNOHAND (To be restarted if no handler)
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=706004, si_uid=104,
si_status=0, si_utime=0, si_stime=1} ---
rt_sigaction(SIGCHLD, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER,
sa_restorer=0x7faf372abd60}, NULL, 8) = 0
rt_sigreturn({mask=[]}) = -1 EINTR (Appel système interrompu)
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 706004
wait4(-1, 0x7ffd5fdf4034, WNOHANG, NULL) = -1 ECHILD (Aucun processus enfant)
rt_sigaction(SIGCHLD, {sa_handler=0x558211694c60, sa_mask=[],
sa_flags=SA_RESTORER, sa_restorer=0x7faf372abd60}, NULL, 8) = 0
select(6, [3 4 5], NULL, NULL, NULL^Cstrace: Process 671890 detached
<detached ...>
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Tell-me if you need more info.
Thanks,
--
Rémi
