Is is possible for you to try https://github.com/dovecot/core/commit/3c5101ffdd2a8115e03ed7180d53578765dea4c9.patch
Aki > On 28 February 2019 18:03 Patrik via dovecot <dovecot@dovecot.org> wrote: > > > This bug report is similar to this issue: > https://www.dovecot.org/list/dovecot/2017-May/108116.html > (https://www.dovecot.org/list/dovecot/2017-May/108116.html) > > I know it is not enough info, but every kill follows with this info: > Feb 28 16:57:50 server dovecot[1511]: auth-worker: Fatal: master: > service(auth-worker): child 17009 killed with signal 11 (core dumps disabled > - https://dovecot.org/bugreport.html#coredumps) > Feb 28 16:57:50 server kernel: traps: auth[17009] general protection > ip:7fd5d3ae9a64 sp:7fff0a781dc0 error:0 in libmariadb.so.3[7fd5d3add000+26000] > > It looks like the error is related to the libmariadb.so, of course I am using > integration with auth sql. > > The configuration is like this: > # 2.3.4.1 (f79e8e7e4): /etc/dovecot/dovecot.conf > # Pigeonhole version 0.5.4 () > # OS: Linux 4.19.0-2-amd64 x86_64 Debian buster/sid ext4 > # Hostname: p3x-dc.example.com (http://p3x-dc.example.com) > auth_mechanisms = plain login > mail_location = maildir:/var/mail/vhosts/%d/%n > mail_plugins = quota > mail_privileged_group = mail > 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 > namespace inbox { > inbox = yes > location = > mailbox Drafts { > auto = subscribe > special_use = \Drafts > } > mailbox Junk { > auto = subscribe > autoexpunge = 30 days > special_use = \Junk > } > mailbox Sent { > auto = subscribe > special_use = \Sent > } > mailbox Trash { > auto = subscribe > autoexpunge = 30 days > special_use = \Trash > } > prefix = > } > passdb { > args = /etc/dovecot/dovecot-sql.conf.ext > driver = sql > } > plugin { > quota = maildir:User quota > quota_grace = 10%% > quota_max_mail_size = 100M > quota_rule = *:storage=1G > quota_rule2 = Trash:storage=+100M > sieve = /etc/dovecot/sieve.conf > } > protocols = imap lmtp pop3 > service auth-worker { > user = vmail > } > service auth { > unix_listener /var/spool/postfix/private/auth { > group = postfix > mode = 0666 > user = postfix > } > unix_listener auth-userdb { > mode = 0666 > user = vmail > } > user = dovecot > } > service imap-login { > inet_listener imap { > port = 0 > } > inet_listener imaps { > port = 993 > ssl = yes > } > } > service lmtp { > unix_listener /var/spool/postfix/private/dovecot-lmtp { > group = postfix > mode = 0600 > user = postfix > } > } > service pop3-login { > inet_listener pop3 { > port = 0 > } > inet_listener pop3s { > port = 995 > ssl = yes > } > } > service quota-status { > client_limit = 1 > executable = quota-status -p postfix > inet_listener { > port = 12340 > } > } > ssl = required > ssl_ca = </etc/ssl/example.com/ca.cer (http://example.com/ca.cer) > ssl_cert = </etc/ssl/example.com/fullchain.cer > (http://example.com/fullchain.cer) > ssl_dh = # hidden, use -P to show it > ssl_key = # hidden, use -P to show it > userdb { > args = uid=vmail gid=vmail home=/var/mail/vhosts/%d/%n > driver = static > } > protocol lmtp { > auth_socket_path = /var/run/dovecot/auth-master > mail_plugins = quota sieve > } > protocol imap { > mail_plugins = quota imap_quota > } > > > Patrik > WWW (https://patrikx3.com) | GitHub (https://github.com/patrikx3/) | NPM > (https://www.npmjs.com/~patrikx3) | Corifeus (https://corifeus.com) | +36 20 > 342 8046 > >