Package: exim4-daemon-light Version: 4.92~RC5-1 Severity: important After the latest upgrade, I got in /var/log/exim4/paniclog:
2019-02-01 11:15:40 socket bind() to port 25 for address 127.0.0.1 failed: Address already in use: daemon abandoned and Cron em-mail messages: exim paniclog /var/log/exim4/paniclog on cventin.lip.ens-lyon.fr has non-zero size, mail system might be broken. The last 10 lines are quoted below. 2019-02-01 11:15:40 socket bind() to port 25 for address 127.0.0.1 failed: Address already in use: daemon abandoned This seems similar to bug 921205, but for IPv4. The following daemon is running: Debian-+ 1194 1 0 Jan25 ? 00:00:01 /usr/sbin/exim4 -bd -q5m January 25 is before the upgrade (when the machine was last rebooted). /var/log/dpkg.log excerpt (concerning exim): 2019-02-01 11:10:49 upgrade exim4-config:all 4.92~RC4-3 4.92~RC5-1 2019-02-01 11:10:49 status half-configured exim4-config:all 4.92~RC4-3 2019-02-01 11:10:49 status unpacked exim4-config:all 4.92~RC4-3 2019-02-01 11:10:49 status half-installed exim4-config:all 4.92~RC4-3 2019-02-01 11:10:49 status unpacked exim4-config:all 4.92~RC5-1 2019-02-01 11:10:49 upgrade exim4:all 4.92~RC4-3 4.92~RC5-1 2019-02-01 11:10:49 status half-configured exim4:all 4.92~RC4-3 2019-02-01 11:10:49 status unpacked exim4:all 4.92~RC4-3 2019-02-01 11:10:49 status half-installed exim4:all 4.92~RC4-3 2019-02-01 11:10:49 status unpacked exim4:all 4.92~RC5-1 2019-02-01 11:10:50 upgrade exim4-daemon-light:amd64 4.92~RC4-3 4.92~RC5-1 2019-02-01 11:10:50 status half-configured exim4-daemon-light:amd64 4.92~RC4-3 2019-02-01 11:10:50 status unpacked exim4-daemon-light:amd64 4.92~RC4-3 2019-02-01 11:10:50 status half-installed exim4-daemon-light:amd64 4.92~RC4-3 2019-02-01 11:10:50 status unpacked exim4-daemon-light:amd64 4.92~RC5-1 2019-02-01 11:10:50 upgrade exim4-base:amd64 4.92~RC4-3 4.92~RC5-1 2019-02-01 11:10:50 status half-configured exim4-base:amd64 4.92~RC4-3 2019-02-01 11:10:50 status unpacked exim4-base:amd64 4.92~RC4-3 2019-02-01 11:10:50 status half-installed exim4-base:amd64 4.92~RC4-3 2019-02-01 11:10:51 status unpacked exim4-base:amd64 4.92~RC5-1 [...] 2019-02-01 11:10:55 startup packages configure 2019-02-01 11:10:55 configure exim4-config:all 4.92~RC5-1 <none> 2019-02-01 11:10:55 status unpacked exim4-config:all 4.92~RC5-1 2019-02-01 11:10:55 status half-configured exim4-config:all 4.92~RC5-1 2019-02-01 11:10:57 status installed exim4-config:all 4.92~RC5-1 [...] 2019-02-01 11:11:07 configure exim4-base:amd64 4.92~RC5-1 <none> 2019-02-01 11:11:07 status unpacked exim4-base:amd64 4.92~RC5-1 2019-02-01 11:11:07 status half-configured exim4-base:amd64 4.92~RC5-1 2019-02-01 11:11:07 status installed exim4-base:amd64 4.92~RC5-1 [...] 2019-02-01 11:11:09 configure exim4-daemon-light:amd64 4.92~RC5-1 <none> 2019-02-01 11:11:09 status unpacked exim4-daemon-light:amd64 4.92~RC5-1 2019-02-01 11:11:09 status half-configured exim4-daemon-light:amd64 4.92~RC5-1 2019-02-01 11:11:11 status installed exim4-daemon-light:amd64 4.92~RC5-1 [...] 2019-02-01 11:11:15 configure exim4:all 4.92~RC5-1 <none> 2019-02-01 11:11:15 status unpacked exim4:all 4.92~RC5-1 2019-02-01 11:11:15 status half-configured exim4:all 4.92~RC5-1 2019-02-01 11:11:16 status installed exim4:all 4.92~RC5-1 [...] /var/log/apt/term.log excerpt (concerning exim): Preparing to unpack .../79-exim4-config_4.92~RC5-1_all.deb ... Unpacking exim4-config (4.92~RC5-1) over (4.92~RC4-3) ... Preparing to unpack .../80-exim4_4.92~RC5-1_all.deb ... Unpacking exim4 (4.92~RC5-1) over (4.92~RC4-3) ... Preparing to unpack .../81-exim4-daemon-light_4.92~RC5-1_amd64.deb ... Unpacking exim4-daemon-light (4.92~RC5-1) over (4.92~RC4-3) ... Preparing to unpack .../82-exim4-base_4.92~RC5-1_amd64.deb ... Unpacking exim4-base (4.92~RC5-1) over (4.92~RC4-3) ... [...] Setting up exim4-config (4.92~RC5-1) ... [...] Setting up exim4-base (4.92~RC5-1) ... [...] Setting up exim4-daemon-light (4.92~RC5-1) ... Updating GnuTLS DH parameter file [...] Setting up exim4 (4.92~RC5-1) ... [...] journalctl excerpt (concerning exim): [...] Feb 01 11:10:50 cventin systemd[1]: Reloading. Feb 01 11:10:50 cventin systemd[1]: Stopping LSB: exim Mail Transport Agent... Feb 01 11:10:50 cventin exim4[31423]: Stopping MTA:/sbin/start-stop-daemon: matching only on non-root pidfile /run/exim4/exim.pid is insecure Feb 01 11:10:50 cventin exim4[31423]: exim4_listener. Feb 01 11:10:50 cventin systemd[1]: Stopped LSB: exim Mail Transport Agent. [...] Feb 01 11:11:07 cventin systemd[1]: Reloading. Feb 01 11:11:09 cventin systemd[1]: Reloading. Feb 01 11:11:10 cventin systemd[1]: exim4.service: Found left-over process 1194 (exim4) in control group while starting unit. Ignoring. Feb 01 11:11:10 cventin systemd[1]: This usually indicates unclean termination of a previous run, or service implementation deficiencies. Feb 01 11:11:10 cventin systemd[1]: Starting LSB: exim Mail Transport Agent... Feb 01 11:11:10 cventin exim4[32215]: Starting MTA: exim4. Feb 01 11:11:10 cventin systemd[1]: Started LSB: exim Mail Transport Agent. [...] So, it seems that the issue comes from the fact that the old exim4 daemon did not stop. -- Package-specific info: Exim version 4.92-RC5 #5 built 31-Jan-2019 18:25:03 Copyright (c) University of Cambridge, 1995 - 2018 (c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018 Berkeley DB: Berkeley DB 5.3.28: (September 9, 2013) Support for: crypteq iconv() IPv6 GnuTLS move_frozen_messages DANE DKIM DNSSEC Event OCSP PRDR SOCKS TCP_Fast_Open Lookups (built-in): lsearch wildlsearch nwildlsearch iplsearch cdb dbm dbmjz dbmnz dnsdb dsearch nis nis0 passwd Authenticators: cram_md5 plaintext Routers: accept dnslookup ipliteral manualroute queryprogram redirect Transports: appendfile/maildir/mailstore autoreply lmtp pipe smtp Fixed never_users: 0 Configure owner: 0:0 Size of off_t: 8 Configuration file search path is /etc/exim4/exim4.conf:/var/lib/exim4/config.autogenerated Configuration file is /var/lib/exim4/config.autogenerated # /etc/exim4/update-exim4.conf.conf # # Edit this file and /etc/mailname by hand and execute update-exim4.conf # yourself or use 'dpkg-reconfigure exim4-config' # # Please note that this is _not_ a dpkg-conffile and that automatic changes # to this file might happen. The code handling this will honor your local # changes, so this is usually fine, but will break local schemes that mess # around with multiple versions of the file. # # update-exim4.conf uses this file to determine variable values to generate # exim configuration macros for the configuration file. # # Most settings found in here do have corresponding questions in the # Debconf configuration, but not all of them. # # This is a Debian specific file dc_eximconfig_configtype='internet' dc_other_hostnames='cventin.lip.ens-lyon.fr' dc_local_interfaces='127.0.0.1 ; ::1' dc_readhost='' dc_relay_domains='' dc_minimaldns='false' dc_relay_nets='' dc_smarthost='' CFILEMODE='644' dc_use_split_config='false' dc_hide_mailname='' dc_mailname_in_oh='true' dc_localdelivery='maildir_home' mailname:cventin.lip.ens-lyon.fr # /etc/default/exim4 EX4DEF_VERSION='' # 'combined' - one daemon running queue and listening on SMTP port # 'no' - no daemon running the queue # 'separate' - two separate daemons # 'ppp' - only run queue with /etc/ppp/ip-up.d/exim4. # 'nodaemon' - no daemon is started at all. # 'queueonly' - only a queue running daemon is started, no SMTP listener. # setting this to 'no' will also disable queueruns from /etc/ppp/ip-up.d/exim4 QUEUERUNNER='combined' # how often should we run the queue QUEUEINTERVAL='5m' # options common to quez-runner and listening daemon COMMONOPTIONS='' # more options for the daemon/process running the queue (applies to the one # started in /etc/ppp/ip-up.d/exim4, too. QUEUERUNNEROPTIONS='' # special flags given to exim directly after the -q. See exim(8) QFLAGS='' # Options for the SMTP listener daemon. By default, it is listening on # port 25 only. To listen on more ports, it is recommended to use # -oX 25:587:10025 -oP /var/run/exim4/exim.pid SMTPLISTENEROPTIONS='' -- System Information: Debian Release: buster/sid APT prefers unstable-debug APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.19.0-2-amd64 (SMP w/12 CPU cores) Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE Locale: LANG=POSIX, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=POSIX (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages exim4-daemon-light depends on: ii debconf [debconf-2.0] 1.5.70 ii exim4-base 4.92~RC5-1 ii libc6 2.28-5 ii libdb5.3 5.3.28+dfsg1-0.3 ii libgnutls-dane0 3.6.6-2 ii libgnutls30 3.6.6-2 ii libpcre3 2:8.39-11 exim4-daemon-light recommends no packages. exim4-daemon-light suggests no packages. -- debconf information: exim4-daemon-light/drec:

