Yes Timo, found "Warning: Killed with signal 15" in the log. What can be "something" that killed dovecot?
Mar 26 17:18:43 Info: pop3-login: Login: user=<xxx>, method=PLAIN, rip=x.x.x.x, lip=y.y.y.y Mar 26 17:18:43 Info: POP3(xxx): Disconnected: Logged out top=0/0, retr=0/0, del=0/207, size=35162343 Mar 26 17:18:43 Warning: Killed with signal 15 Mar 26 17:18:43 Info: pop3-login: Disconnected: Shutting down (no auth attempts): rip=x.x.x.x, lip=y.y.y.y Mar 26 17:18:43 Info: pop3-login: Disconnected: Shutting down (auth failed, 11997592 attempts): user=<??�>, method=??� Mar 26 17:18:43 Panic: pop3-login: file client-common.c: line 25 (client_unlink): assertion failed: (clients_count > 0) Mar 26 17:18:46 Info: dovecot v1.1.11 starting up (core dumps disabled) Thanks, - Long Le On Mon, 2009-03-30 at 01:54 -0400, Timo Sirainen wrote: > Well. There are two problems: First is that it's crashing, which is > clearly a bug. It just shouldn't happen. If you upgraded to v1.1.13 > you would probably get a core dump, and that might be useful in > figuring out the crash (http://dovecot.org/bugreport.html), but the > real problem appears to be in the Disconnected reason. "Shutting down" > means that the whole Dovecot is being shut down. Which most likely > means that something killed dovecot master process. Do you see such a > line in logs? Probably "Warning: killed with signal <something>". > > On Mar 29, 2009, at 11:41 PM, Long Le Dinh wrote: > > > Any help on this? It happens more frequently :(. Is this related to > > LDAP > > authen? > > > > Thanks, > > - > > Long Le > > > > > > On Fri, 2009-03-27 at 13:14 +0700, Long Le Dinh wrote: > >> Hi, > >> > >> I got below log in last 2 days, I have to restart dovecot as pop3- > >> login failed and service cannot respond. > >> > >> Mar 26 14:19:31 Info: pop3-login: Disconnected: Shutting down (auth > >> failed, 1 attempts): method=PLAIN, rip=x.x.x.x > >> Mar 26 14:19:31 Info: pop3-login: Disconnected: Shutting down > >> (tried to use disabled plaintext auth): method=??<B7> > >> Mar 26 14:19:31 Panic: pop3-login: file client-common.c: line 25 > >> (client_unlink): assertion failed: (clients_count > 0) > >> Mar 26 14:19:31 Error: child 31902 (login) killed with signal 6 > >> (ip=x.x.x.x) > >> > >> My system info: > >> dovecot -n > >> # 1.1.11: /etc/dovecot.conf > >> # OS: Linux 2.6.18-8.el5 i686 CentOS release 5 (Final) ext3 > >> log_path: /var/log/dovecot.log > >> login_dir: /var/run/dovecot/login > >> login_executable(default): /usr/libexec/dovecot/imap-login > >> login_executable(imap): /usr/libexec/dovecot/imap-login > >> login_executable(pop3): /usr/libexec/dovecot/pop3-login > >> mail_gid: 100 > >> mail_location: maildir:/home/%u/Maildir > >> mail_executable(default): /usr/libexec/dovecot/imap > >> mail_executable(imap): /usr/libexec/dovecot/imap > >> mail_executable(pop3): /usr/libexec/dovecot/pop3 > >> mail_plugin_dir(default): /usr/lib/dovecot/imap > >> mail_plugin_dir(imap): /usr/lib/dovecot/imap > >> mail_plugin_dir(pop3): /usr/lib/dovecot/pop3 > >> auth default: > >> verbose: yes > >> debug: yes > >> passdb: > >> driver: ldap > >> args: /etc/dovecot-ldap.conf > >> userdb: > >> driver: passwd > >> userdb: > >> driver: ldap > >> args: /etc/dovecot-ldap.conf > >> > >> We're using Maildir format, no NFS. Any help/clue is appreciated. > >> > >> Thanks, > >> - > >> Long Le > >> >