Strange thing on log rotation front

[Luciano Mannucci]

Hi all!

I've decided to rotate the dovecot logs automatically on my freebsd
10.4 server using the system's newsyslog feature. I started with
logfile.info putting the line

/var/log/dovecot/logfile.info          600  31    *            @T16  ZCU /var/run/dovecot/master.pid 30

which should send a SIGUSER to the master process, which it seems to
do for I see in the log file:

master: Warning: Sent SIGKILL to 1 log processes
master: Warning: Killed with signal 15 (by pid=69871 uid=0 code=kill)

though the log process doesn't die.

What did I do wrong?

my doveconf -n says:
root at baobab:/var/log/dovecot # doveconf -n 
# 2.2.28 (bed8434): /usr/local/etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.17 (e179378)
# OS: FreeBSD 10.4-RELEASE-p3 amd64  ufs
auth_cache_size = 3 k
auth_debug = yes
auth_debug_passwords = yes
auth_mechanisms = plain login
auth_verbose = yes
default_client_limit = 1228
default_vsz_limit = 712 M
disable_plaintext_auth = no
first_valid_gid = 0
first_valid_uid = 100
info_log_path = /var/log/dovecot/logfile.info
listen = *
log_path = /var/log/dovecot/logfile
login_greeting = Dovecot at Baobab ready.
login_trusted_networks = 127.0.0.0/8 212.45.144.0/24 192.168.134.0/24
mail_location = mbox:/var/spool/mailboxes/%u:INBOX=/var/spool/mail/%u:DIRNAME=mbox:INDEX=/var/dovecot_indexes/%u
maildir_copy_with_hardlinks = no
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext
mbox_lock_timeout = 443 secs
namespace {
  inbox = yes
  location = 
  prefix = 
  separator = .
  type = private
}
passdb {
  driver = pam
}
plugin {
  mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename
  mail_log_fields = uid box msgid size
}
protocols = pop3 imap
service auth {
  unix_listener /var/spool/postfix/private/auth {
    group = postfix
    mode = 0660
    user = postfix
  }
  user = root
}
service imap-login {
  inet_listener imaps {
    address = *
  }
  process_limit = 512
}
service pop3-login {
  chroot = 
  executable = pop3-login -D
  inet_listener pop3s {
    address = *
  }
  process_limit = 512
}
ssl_ca = </usr/local/etc/ssl/ca.crt
ssl_cert = </usr/local/etc/ssl/certs/dovecot.pem
ssl_key =  # hidden, use -P to show it
userdb {
  driver = passwd
}
version_ignore = yes
protocol imap {
  imap_client_workarounds = delay-newmail
  mail_plugins = mail_log notify
}
protocol pop3 {
  pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
  pop3_enable_last = yes
}
protocol lda {
  info_log_path = /var/log/dovecot/lda.log
  log_path = /var/log/dovecot/lda-errors.log
  postmaster_address = postmaxxxster at mcs.it
}

Luciano.
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