Upgrade Dovecot from 2.1.17 to 2.2.13 lmtp child killed with signal 6

[Teemu Huovila]

On 22.03.2016 11:43, Ivan Jurišić wrote:
> After upgrade Debian (Wheezy to Jessie) Dovecot version 2.1.17 is
> upgraded to 2.2.13.
> I have random crash of lmtp-a and I got lot message in queue. Any
> solution for this problem?
This looks like it is fixed by https://github.com/dovecot/core/commit/98449946caeaf8a3b413a0d93128315b158cbffb
Please upgrade, if possible.

br,
Teemu Huovila

> 
> ---------- Postqueue ----------
> 
> 7A5B77F72B  1160457 Tue Mar 22 10:10:15  ivan at jurisic.org
> (delivery temporarily suspended: lost connection with
> mail.jurisic.org[private/dovecot-lmtp] while sending end of data --
> message may be sent more than once)
>                                          ante.starcevic at gmail.com
> 
> ---------- Log file ----------
> 
> Mar 22 10:10:15 lmtp(23497, ivan at jurisic.org): Panic: file fs-api.c:
> line 615 (fs_copy): assertion failed: (src->fs == dest->fs)
> 
> Mar 22 10:10:15 lmtp(23497, ivan at jurisic.org): Error: Raw backtrace:
> /usr/lib/dovecot/libdovecot.so.0(+0x6b6fe) [0x7f7647a8b6fe] ->
> /usr/lib/dovecot/libdovecot.so.0(+0x6b7ec) [0x7f7647a8b7ec] ->
> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f7647a428fb] ->
> /usr/lib/dovecot/libdovecot.so.0(fs_copy+0x90) [0x7f7647a4c4a0] ->
> /usr/lib/dovecot/libdovecot-storage.so.0(sdbox_copy+0x4e0)
> [0x7f7647d3ec10] ->
> /usr/lib/dovecot/modules/lib10_quota_plugin.so(+0xbaab) [0x7f764726aaab]
> -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_copy+0x7d)
> [0x7f7647d7b01d] ->
> /usr/lib/dovecot/libdovecot-lda.so.0(mail_deliver_save+0x196)
> [0x7f76480229d6] ->
> /usr/lib/dovecot/libdovecot-lda.so.0(mail_deliver+0xf3) [0x7f7648022e13]
> -> dovecot/lmtp(+0x6171) [0x7f7648452171] ->
> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x3f) [0x7f7647a9cd0f]
> -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0xf9)
> [0x7f7647a9dd09] ->
> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x9)
> [0x7f7647a9cd79] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)
> [0x7f7647a9cdf8] ->
> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
> [0x7f7647a47dc3] -> dovecot/lmtp(main+0x165) [0x7f76484509b5] ->
> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f7647696b45]
> -> dovecot/lmtp(+0x4a95) [0x7f7648450a95]
> 
> Mar 22 10:10:15 lmtp(23497, ivan at jurisic.org): Fatal: master:
> service(lmtp): child 23497 killed with signal 6 (core dumps disabled)
> 
> ---------- Dovecot configuration  ----------
> 
> # 2.2.13: /etc/dovecot/dovecot.conf
> # OS: Linux 3.16.0-4-amd64 x86_64 Debian 8.3 ext4
> auth_mechanisms = plain login
> debug_log_path = /var/log/dovecot.debug
> default_client_limit = 10000
> default_process_limit = 1000
> default_vsz_limit = 512 M
> dict {
>   quota = pgsql:/etc/dovecot/dovecot-dict-sql.conf.ext
> }
> hostname = mail.jurisic.org
> info_log_path = /var/log/dovecot.info
> lda_mailbox_autocreate = yes
> lda_mailbox_autosubscribe = yes
> listen = *
> log_path = /var/log/dovecot.log
> mail_attachment_dir = /var/mail/vhosts/%d/attachment
> mail_home = /var/mail/vhosts/%d/mail/%n
> mail_location = sdbox:/var/mail/vhosts/%d/mail/%n
> mail_plugins = " quota"
> mail_privileged_group = vmail
> 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 ihave
> namespace inbox {
>   inbox = yes
>   location =
>   mailbox Drafts {
>     auto = subscribe
>     special_use = \Drafts
>   }
>   mailbox Junk {
>     auto = subscribe
>     special_use = \Junk
>   }
>   mailbox Sent {
>     auto = subscribe
>     special_use = \Sent
>   }
>   mailbox "Sent Messages" {
>     special_use = \Sent
>   }
>   mailbox Trash {
>     auto = subscribe
>     special_use = \Trash
>   }
>   prefix =
> }
> passdb {
>   args = /etc/dovecot/dovecot-sql.conf.ext
>   driver = sql
> }
> plugin {
>   autocreate = Sent
>   autocreate2 = Drafts
>   autocreate3 = Junk
>   autocreate4 = Trash
>   autosubscribe = Sent
>   autosubscribe2 = Drafts
>   autosubscribe3 = Junk
>   autosubscribe4 = Trash
>   expire = Trash
>   expire2 = Trash/*
>   expire3 = Spam
>   expire_dict = proxy::expire
>   quota = dict:user::proxy::quota
>   quota_rule = *:storage=102400
>   quota_warning = storage=75%% quota-warning 75 %u
>   quota_warning2 = storage=90%% quota-warning 90 %u
>   sieve = ~/.dovecot.sieve
>   sieve_dir = ~/sieve
> }
> postmaster_address = postmaster@%d
> protocols = " imap lmtp sieve 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 = 0600
>     user = vmail
>   }
>   user = dovecot
> }
> service dict {
>   unix_listener dict {
>     mode = 0660
>     user = vmail
>   }
> }
> service imap-login {
>   process_min_avail = 4
>   service_count = 0
>   vsz_limit = 512 M
> }
> service imap {
>   vsz_limit = 512 M
> }
> service lmtp {
>   unix_listener /var/spool/postfix/private/dovecot-lmtp {
>     group = postfix
>     mode = 0600
>     user = postfix
>   }
> }
> service quota-warning {
>   executable = script /opt/mail-old.sh
>   unix_listener quota-warning {
>     group = root
>     mode = 0666
>     user = root
>   }
>   user = root
> }
> ssl = required
> ssl_cert = </etc/ssl/jurisic.org/jurisic.pem
> ssl_cipher_list =
> !aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!EDH:!ADH:!DSS:!RC4:HIGH:+3DES
> ssl_key = </etc/ssl/jurisic.org/jurisic.key
> ssl_prefer_server_ciphers = yes
> ssl_protocols = TLSv1 !SSLv2 !SSLv3
> userdb {
>   args = /etc/dovecot/dovecot-sql.conf.ext
>   driver = sql
> }
> protocol lmtp {
>   mail_plugins = " quota sieve"
> }
> protocol lda {
>   mail_plugins = " quota sieve"
> }
> protocol imap {
>   mail_max_userip_connections = 20
>   mail_plugins = " quota imap_quota"
> }
> protocol pop3 {
>   mail_max_userip_connections = 20
>   mail_plugins = " quota quota"
> }
>