https://bugs.kde.org/show_bug.cgi?id=417542
--- Comment #2 from Kenny Duffus ---
Following that crash I noticed there were some akonadi processes running
➜ ~ ps -ef|grep akonadi
user 12602 1 0 07:27 ?00:00:00 /usr/bin/akonadi_control
user 12632 1 0 07:27 ?00:00:03 /usr/sbin/mysqld-akonadi
--defaults-file=/home/kd/.local/share/akonadi/mysql.conf
--datadir=/home/kd/.local/share/akonadi/db_data/
--socket=/run/user/1000/akonadi/mysql.socket
--pid-file=/run/user/1000/akonadi/mysql.pid
user 12673 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_akonotes_resource --identifier akonadi_akonotes_resource_0
user 12674 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_archivemail_agent --identifier akonadi_archivemail_agent
user 12675 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_birthdays_resource --identifier akonadi_birthdays_resource
user 12676 12602 0 07:28 ?00:00:01
/usr/bin/akonadi_davgroupware_resource --identifier
akonadi_davgroupware_resource_6
user 12677 12602 0 07:28 ?00:00:01
/usr/bin/akonadi_followupreminder_agent --identifier
akonadi_followupreminder_agent
user 12678 12602 0 07:28 ?00:00:01
/usr/bin/akonadi_ical_resource --identifier akonadi_ical_resource_2
user 12679 12602 0 07:28 ?00:00:01
/usr/bin/akonadi_ical_resource --identifier akonadi_ical_resource_3
user 12680 12602 0 07:28 ?00:00:01
/usr/bin/akonadi_imap_resource --identifier akonadi_imap_resource_0
user 12687 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_indexing_agent --identifier akonadi_indexing_agent
user 12688 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_maildir_resource --identifier akonadi_maildir_resource_2
user 12692 12602 0 07:28 ?00:00:01
/usr/bin/akonadi_maildispatcher_agent --identifier akonadi_maildispatcher_agent
user 12698 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_mailfilter_agent --identifier akonadi_mailfilter_agent
user 12704 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_migration_agent --identifier akonadi_migration_agent
user 12706 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_newmailnotifier_agent --identifier
akonadi_newmailnotifier_agent
user 12710 12602 0 07:28 ?00:00:01 /usr/bin/akonadi_notes_agent
--identifier akonadi_notes_agent
user 12712 12602 0 07:28 ?00:00:01
/usr/bin/akonadi_sendlater_agent --identifier akonadi_sendlater_agent
user 12715 12602 0 07:28 ?00:00:00
/usr/bin/akonadi_unifiedmailbox_agent --identifier akonadi_unifiedmailbox_agent
user 13826 12602 0 07:41 ?00:00:00 /usr/bin/akonadiserver
user 13829 13826 0 07:41 ?00:00:00 /usr/sbin/mysqld-akonadi
--defaults-file=/home/kd/.local/share/akonadi/mysql.conf
--datadir=/home/user/.local/share/akonadi/db_data/
--socket=/run/user/1000/akonadi/mysql.socket
--pid-file=/run/user/1000/akonadi/mysql.pid
user 13897 4459 0 07:42 pts/100:00:00 grep --color=auto
--exclude-dir=.bzr --exclude-dir=CVS --exclude-dir=.git --exclude-dir=.hg
--exclude-dir=.svn akonadi
However starting Kontact, it didn't think Akonadi was running. Clicking the
start akonadi button generated this in the terminal akonadictl had been run
previously in
➜ ~ org.kde.pim.akonadiserver: Failed to connect to database!
org.kde.pim.akonadiserver: Database error: "Can't connect to local MySQL server
through socket '/run/user/1000/akonadi/mysql.socket' (2) QMYSQL: Unable to
connect"
org.kde.pim.akonadiserver: Shutting down AkonadiServer...
org.kde.pim.akonadicontrol: Application '/usr/bin/akonadiserver' exited
normally...
org.kde.pim.akonadicontrol: Application
'/usr/bin/akonadi_newmailnotifier_agent' exited normally...
org.kde.pim.akonadicontrol: Application '/usr/bin/akonadi_archivemail_agent'
exited normally...
org.kde.pim.akonadicontrol: Application '/usr/bin/akonadi_birthdays_resource'
exited normally...
org.kde.pim.akonadicontrol: Application '/usr/bin/akonadi_mailfilter_agent'
exited normally...
org.kde.pim.akonadicontrol: ProcessControl: Application
"/usr/bin/akonadi_ical_resource" stopped unexpectedly ( "Process crashed" )
org.kde.pim.akonadicontrol: Application '/usr/bin/akonadi_ical_resource'
crashed. No restart!
org.kde.pim.akonadicontrol: ProcessControl: Application
"/usr/bin/akonadi_davgroupware_resource" stopped unexpectedly ( "Process
crashed" )
org.kde.pim.akonadicontrol: Application
'/usr/bin/akonadi_davgroupware_resource' crashed. No restart!
org.kde.pim.akonadicontrol: Application
'/usr/bin/akonadi_followupreminder_agent' exited normally...
org.kde.pim.akonadicontrol: ProcessControl: Application
"/usr/bin/akonadi_imap_resource" stopped unexpectedly ( "Process crashed" )
org.kde.pim.akonadicontrol: Application '/usr/bin/akonadi_imap_resource'
crashed. No restart!
org.kde.pim.akonadicontrol: Application '/usr/bin/akonadi_indexing_agent'
exited normally...
org.kde.pim.akonadicontrol:
