[Dovecot] Dovecot rc23 and rc24 freeze after authentication

Garret Huntress ghuntress at ciw.edu
Wed Feb 28 04:56:18 UTC 2007 

Machine: Quad 2GHz Opterons, 8GB Mem


OS: Fedora Core 5 (Linux mail1.ciw.edu 2.6.17-1.2187_FC5 #1 SMP Mon  
Sep 11 01:16:59 EDT 2006 x86_64 x86_64 x86_64 GNU/Linux)


Output from dovecot -n (now in rc22):
# /etc/dovecot.conf
base_dir: /srv/Apps/dovecot/
log_path: /var/log/dovecot/dovecot.log
protocols: imap imaps pop3s
ssl_ca_file: /etc/pki/tls/certs/ciw.edu-ca_cert.pem
ssl_cert_file: /etc/pki/tls/certs/mail.ciw.edu-cert.pem
ssl_key_file: /etc/pki/tls/private/mail.ciw.edu-key.pem
login_dir: /srv/Apps/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
login_max_processes_count: 1024
default_mail_env: maildir:%h/Maildir
mail_location: maildir:%h/Maildir
mail_executable(default): /usr/libexec/dovecot/imap
mail_executable(imap): /usr/libexec/dovecot/imap
mail_executable(pop3): /usr/libexec/dovecot/pop3
mail_plugins: acl
mail_plugin_dir(default): /usr/lib64/dovecot/imap
mail_plugin_dir(imap): /usr/lib64/dovecot/imap
mail_plugin_dir(pop3): /usr/lib64/dovecot/pop3
imap_client_workarounds(default): delay-newmail outlook-idle
imap_client_workarounds(imap): delay-newmail outlook-idle
imap_client_workarounds(pop3): outlook-idle
pop3_client_workarounds(default):
pop3_client_workarounds(imap):
pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh
namespace:
   type: private
   separator: /
   location: maildir:%h/Maildir
   inbox: yes
namespace:
   type: private
   separator: /
   prefix: CIW Archived/
   location: maildir:%h/Mailarchive
namespace:
   type: public
   separator: /
   prefix: CIW Groups/
   location: maildir:/srv/Export/Groups:CONTROL=%h/Maildir/public- 
subscriptions:INDEX=%h/Maildir/public-index
auth default:
   passdb:
     driver: pam
     args: session=yes dovecot
   userdb:
     driver: passwd


cat of /etc/pam.d/dovecot
#%PAM-1.0
auth       required     pam_nologin.so
auth       include      od-auth
account    include      od-auth
session    include      od-auth


cat of /etc/pam.d/od-auth
#%PAM-1.0
auth        required      pam_env.so
auth        sufficient    pam_krb5.so
auth        required      pam_deny.so

account     required      pam_ldap.so

session     optional      pam_mkhomedir.so skel=/etc/skel umask=077
session     required      pam_limits.so
session     required      pam_krb5.so
session     required      pam_ldap.so


Logs from when it occurred (usernames modified)
dovecot: Feb 26 11:50:15 Info: IMAP(user1): Disconnected: Logged out
dovecot: Feb 26 11:50:16 Info: IMAP(user1): Disconnected: Logged out
dovecot: Feb 26 11:50:16 Info: IMAP(user1): Disconnected: Logged out
dovecot: Feb 26 11:50:16 Info: imap-login: Disconnected:  
rip=10.1.1.254, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:50:16 Info: IMAP(user2): Disconnected: Logged out
dovecot: Feb 26 11:50:16 Info: imap-login: Login: user=<user3>,  
method=PLAIN, rip=10.1.20.232, lip=10.1.248.31, TLS
dovecot: Feb 26 11:50:17 Info: imap-login: Login: user=<user4>,  
method=PLAIN, rip=10.1.20.253, lip=10.1.248.31, TLS
dovecot: Feb 26 11:50:17 Info: imap-login: Disconnected:  
rip=10.1.20.233, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:50:19 Info: imap-login: Login: user=<user5>,  
method=PLAIN, rip=4.21.98.3, lip=10.1.248.31, TLS
dovecot: Feb 26 11:50:20 Info: imap-login: Disconnected: Shutting  
down: method=PLAIN, rip=10.1.15.194, lip=10.1.248.31, TLS
dovecot: Feb 26 11:50:21 Info: imap-login: Login: user=<user1>,  
method=PLAIN, rip=10.1.1.254, lip=10.1.248.31, TLS
dovecot: Feb 26 11:50:45 Info: IMAP(user6): Disconnected: Logged out
dovecot: Feb 26 11:50:46 Info: imap-login: Login: user=<user1>,  
method=PLAIN, rip=10.1.1.254, lip=10.1.248.31, TLS
dovecot: Feb 26 11:50:53 Info: IMAP(user7): Disconnected: Logged out
dovecot: Feb 26 11:50:53 Info: imap-login: Disconnected:  
rip=10.1.15.170, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:50:54 Info: imap-login: Login: user=<user1>,  
method=PLAIN, rip=10.1.1.254, lip=10.1.248.31, TLS
dovecot: Feb 26 11:50:57 Info: IMAP(user3): Disconnected: Logged out
dovecot: Feb 26 11:50:57 Info: imap-login: Login: user=<user8>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:50:57 Info: IMAP(user8): Disconnected
dovecot: Feb 26 11:50:58 Info: imap-login: Login: user=<user9>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:50:58 Info: IMAP(user9): Disconnected
dovecot: Feb 26 11:50:59 Info: imap-login: Login: user=<user10>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:50:59 Info: IMAP(user10): Disconnected
dovecot: Feb 26 11:51:00 Info: imap-login: Login: user=<user11>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:00 Info: IMAP(user11): Disconnected
dovecot: Feb 26 11:51:01 Info: imap-login: Login: user=<user12>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:01 Info: IMAP(user12): Disconnected
dovecot: Feb 26 11:51:02 Info: imap-login: Login: user=<user13>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:02 Info: IMAP(user13): Disconnected
dovecot: Feb 26 11:51:03 Info: imap-login: Login: user=<user14>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:03 Info: IMAP(user14): Disconnected
dovecot: Feb 26 11:51:04 Info: imap-login: Login: user=<user15>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:04 Info: IMAP(user15): Disconnected
dovecot: Feb 26 11:51:05 Info: imap-login: Login: user=<user16>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:05 Info: IMAP(user16): Disconnected
dovecot: Feb 26 11:51:06 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:06 Info: IMAP(user17): Disconnected: Logged out
dovecot: Feb 26 11:51:07 Info: imap-login: Login: user=<user16>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:08 Info: imap-login: Login: user=<user9>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:08 Info: IMAP(user9): Disconnected
dovecot: Feb 26 11:51:09 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:09 Info: IMAP(user17): Disconnected: Logged out
dovecot: Feb 26 11:51:10 Info: IMAP(user18): Disconnected: Logged out
dovecot: Feb 26 11:51:10 Info: imap-login: Login: user=<user10>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:10 Info: imap-login: Login: user=<user8>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:10 Info: IMAP(user8): Disconnected: Logged out
dovecot: Feb 26 11:51:11 Info: IMAP(user10): Disconnected: Logged out
dovecot: Feb 26 11:51:11 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:11 Info: imap-login: Login: user=<user19>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:11 Info: IMAP(user19): Disconnected: Logged out
dovecot: Feb 26 11:51:12 Info: IMAP(user17): Disconnected
dovecot: Feb 26 11:51:12 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:12 Info: imap-login: Login: user=<user9>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:12 Info: IMAP(user17): Disconnected: Logged out
dovecot: Feb 26 11:51:13 Info: imap-login: Login: user=<user19>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:13 Info: imap-login: Login: user=<user8>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:14 Info: IMAP(user19): Disconnected: Logged out
dovecot: Feb 26 11:51:14 Info: IMAP(user8): Disconnected: Logged out
dovecot: Feb 26 11:51:14 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:14 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:15 Info: IMAP(user17): Disconnected: Logged out
dovecot: Feb 26 11:51:15 Info: IMAP(user17): Disconnected
dovecot: Feb 26 11:51:15 Info: imap-login: Login: user=<user19>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:15 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:15 Info: IMAP(user17): Disconnected
dovecot: Feb 26 11:51:16 Info: IMAP(user19): Disconnected: Logged out
dovecot: Feb 26 11:51:16 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:16 Info: imap-login: Login: user=<user15>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:16 Info: IMAP(user17): Disconnected
dovecot: Feb 26 11:51:16 Info: IMAP(user15): Disconnected: Logged out
dovecot: Feb 26 11:51:17 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:17 Info: IMAP(user17): Disconnected
dovecot: Feb 26 11:51:21 Info: imap-login: Login: user=<user12>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:21 Info: IMAP(user12): Disconnected: Logged out
dovecot: Feb 26 11:51:21 Info: imap-login: Login: user=<user17>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:21 Info: IMAP(user17): Disconnected: Logged out
dovecot: Feb 26 11:51:22 Info: imap-login: Login: user=<user12>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:22 Info: IMAP(user12): Disconnected: Logged out
dovecot: Feb 26 11:51:22 Info: imap-login: Login: user=<user12>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:23 Info: IMAP(user12): Disconnected: Logged out
dovecot: Feb 26 11:51:31 Info: imap-login: Login: user=<user15>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:31 Info: IMAP(user15): Disconnected: Logged out
dovecot: Feb 26 11:51:31 Info: imap-login: Login: user=<user15>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:31 Info: IMAP(user15): Disconnected: Logged out
dovecot: Feb 26 11:51:53 Info: imap-login: Login: user=<user20>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:51:54 Info: IMAP(user20): Disconnected: Logged out
dovecot: Feb 26 11:51:59 Info: imap-login: Login: user=<user1>,  
method=PLAIN, rip=10.1.1.254, lip=10.1.248.31, TLS
dovecot: Feb 26 11:52:01 Info: imap-login: Login: user=<user21>,  
method=PLAIN, rip=129.49.95.41, lip=10.1.248.31, TLS
dovecot: Feb 26 11:53:07 Info: IMAP(user16): Disconnected
dovecot: Feb 26 11:53:08 Info: IMAP(user1): Disconnected: Logged out
dovecot: Feb 26 11:53:08 Info: IMAP(user1): Disconnected: Logged out
dovecot: Feb 26 11:53:08 Info: IMAP(user1): Disconnected: Logged out
dovecot: Feb 26 11:53:08 Info: IMAP(user1): Disconnected: Logged out
dovecot: Feb 26 11:53:08 Info: imap-login: Disconnected:  
rip=10.1.20.233, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:53:08 Info: imap-login: Disconnected:  
rip=10.1.1.254, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:53:08 Info: imap-login: Disconnected:  
rip=10.1.15.170, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:53:08 Info: imap-login: Login: user=<user21>,  
method=PLAIN, rip=129.49.95.41, lip=10.1.248.31, TLS
dovecot: Feb 26 11:53:09 Info: imap-login: Login: user=<user22>,  
method=PLAIN, rip=10.1.15.187, lip=10.1.248.31, TLS
dovecot: Feb 26 11:53:09 Info: imap-login: Login: user=<user23>,  
method=PLAIN, rip=10.1.15.170, lip=10.1.248.31, TLS
dovecot: Feb 26 11:53:10 Info: imap-login: Login: user=<user24>,  
method=PLAIN, rip=68.8.68.149, lip=10.1.248.31, TLS
dovecot: Feb 26 11:53:12 Info: IMAP(user9): Disconnected
dovecot: Feb 26 11:53:29 Info: IMAP(user25): Disconnected: Logged out
dovecot: Feb 26 11:53:29 Info: imap-login: Login: user=<user26>,  
method=PLAIN, rip=216.9.249.213, lip=10.1.248.31, TLS
dovecot: Feb 26 11:53:30 Info: IMAP(user26): Disconnected: Logged out
dovecot: Feb 26 11:53:31 Info: imap-login: Login: user=<user24>,  
method=PLAIN, rip=68.8.68.149, lip=10.1.248.31, TLS
dovecot: Feb 26 11:54:40 Info: IMAP(user27): Disconnected: Logged out
dovecot: Feb 26 11:54:40 Info: IMAP(user27): Disconnected: Logged out
dovecot: Feb 26 11:54:41 Info: imap-login: Disconnected:  
rip=10.1.15.156, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:54:41 Info: imap-login: Disconnected:  
rip=10.1.15.170, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:54:42 Info: imap-login: Login: user=<user28>,  
method=PLAIN, rip=10.1.2.21, lip=10.1.248.31, TLS
dovecot: Feb 26 11:54:43 Info: imap-login: Disconnected: Shutting  
down: rip=10.1.15.207, lip=10.1.248.31, TLS
dovecot: Feb 26 11:54:44 Info: imap-login: Login: user=<user22>,  
method=PLAIN, rip=10.1.15.187, lip=10.1.248.31, TLS
dovecot: Feb 26 11:54:44 Info: IMAP(user22): Disconnected: Logged out
dovecot: Feb 26 11:54:45 Info: imap-login: Login: user=<user29>,  
method=PLAIN, rip=10.1.15.147, lip=10.1.248.31, TLS
dovecot: Feb 26 11:55:42 Info: IMAP(user28): Disconnected: Logged out
dovecot: Feb 26 11:55:42 Info: IMAP(user28): Disconnected: Logged out
dovecot: Feb 26 11:55:42 Info: IMAP(user28): Disconnected: Logged out
dovecot: Feb 26 11:55:43 Info: IMAP(user28): Disconnected: Logged out
dovecot: Feb 26 11:55:43 Info: IMAP(user28): Disconnected: Logged out
dovecot: Feb 26 11:55:43 Info: imap-login: Disconnected:  
rip=10.1.20.232, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:55:43 Info: imap-login: Disconnected:  
rip=10.1.2.21, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:55:43 Info: imap-login: Login: user=<user29>,  
method=PLAIN, rip=10.1.15.147, lip=10.1.248.31, TLS
dovecot: Feb 26 11:55:43 Info: imap-login: Login: user=<user6>,  
method=PLAIN, rip=10.1.20.128, lip=10.1.248.31, TLS
dovecot: Feb 26 11:55:43 Info: imap-login: Login: user=<user16>,  
method=PLAIN, rip=10.1.15.207, lip=10.1.248.31, TLS
dovecot: Feb 26 11:55:44 Info: imap-login: Login: user=<user29>,  
method=PLAIN, rip=10.1.15.147, lip=10.1.248.31, TLS
dovecot: Feb 26 11:55:44 Info: imap-login: Disconnected:  
rip=10.1.20.233, lip=10.1.248.31, TLS
dovecot: Feb 26 11:55:45 Info: imap-login: Login: user=<user18>,  
method=PLAIN, rip=10.1.15.142, lip=10.1.248.31, TLS
dovecot: Feb 26 11:56:45 Info: IMAP(user29): Disconnected: Logged out
dovecot: Feb 26 11:56:45 Info: IMAP(user29): Disconnected: Logged out
dovecot: Feb 26 11:56:45 Info: IMAP(user29): Disconnected: Logged out
dovecot: Feb 26 11:56:45 Info: imap-login: Disconnected:  
rip=10.1.15.147, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:56:45 Info: imap-login: Login: user=<user1>,  
method=PLAIN, rip=10.1.1.254, lip=10.1.248.31, TLS
dovecot: Feb 26 11:56:45 Info: imap-login: Login: user=<user18>,  
method=PLAIN, rip=10.1.15.142, lip=10.1.248.31, TLS
dovecot: Feb 26 11:56:45 Info: IMAP(user18): Disconnected: Logged out
dovecot: Feb 26 11:56:46 Info: imap-login: Disconnected:  
rip=10.1.2.21, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:56:46 Info: imap-login: Disconnected:  
rip=10.1.2.21, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:56:47 Info: IMAP(user30): Disconnected for inactivity
dovecot: Feb 26 11:56:47 Info: imap-login: Disconnected:  
rip=10.1.2.21, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:56:47 Info: imap-login: Disconnected:  
rip=10.1.2.21, lip=10.1.248.31, TLS handshake
dovecot: Feb 26 11:56:48 Info: imap-login: Login: user=<user31>,  
method=PLAIN, rip=160.111.107.74, lip=10.1.248.31, TLS
dovecot: Feb 26 11:56:48 Info: imap-login: Login: user=<user1>,  
method=PLAIN, rip=10.1.1.254, lip=10.1.248.31, TLS
dovecot: Feb 26 11:56:48 Info: imap-login: Login: user=<user32>,  
method=PLAIN, rip=10.1.15.139, lip=10.1.248.31, TLS
dovecot: Feb 26 11:56:52 Info: IMAP(user1): Disconnected: Logged out
dovecot: Feb 26 11:56:53 Info: imap-login: Login: user=<user28>,  
method=PLAIN, rip=10.1.2.21, lip=10.1.248.31, TLS
dovecot: Feb 26 11:57:04 Info: IMAP(user28): Disconnected: Logged out
dovecot: Feb 26 11:57:04 Info: imap-login: Login: user=<user12>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:57:04 Info: IMAP(user12): Disconnected
dovecot: Feb 26 11:57:05 Info: imap-login: Login: user=<user33>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:57:05 Info: IMAP(user33): Disconnected
dovecot: Feb 26 11:57:06 Info: imap-login: Login: user=<user16>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:57:06 Info: IMAP(user16): Disconnected
dovecot: Feb 26 11:57:07 Info: imap-login: Login: user=<user34>,  
method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured
dovecot: Feb 26 11:57:07 Info: IMAP(user34): Disconnected
dovecot: Feb 26 11:57:09 Info: imap-login: Login: user=<user35>,  
method=PLAIN, rip=10.1.15.136, lip=10.1.248.31, TLS
dovecot: Feb 26 11:57:21 Warning: Killed with signal 15
dovecot: Feb 26 11:57:21 Info: Dovecot v1.0.rc23 starting upuser1

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