I've noticed that when I remove "zlib" from the mail_plugins line at
the beginning of the config file the segfault goes away. I've also
tested hg tip and the problem does not appear to be fixed yet.
0x00007ffff5eaf1e0 in pthread_mutex_unlock () from /usr/lib/libpthread.so.0
#0 0x00007ffff5eaf1e0 in pthread_mutex_unlock () from /usr/lib/libpthread.so.0
#1 0x00007ffff7def753 in _dl_close_worker () from /lib64/ld-linux-x86-64.so.2
#2 0x00007ffff7defede in _dl_close () from /lib64/ld-linux-x86-64.so.2
#3 0x00007ffff7dea124 in _dl_catch_error () from /lib64/ld-linux-x86-64.so.2
#4 0x00007ffff6d235e1 in ?? () from /usr/lib/libdl.so.2
#5 0x00007ffff6d230bf in dlclose () from /usr/lib/libdl.so.2
#6 0x00007ffff739326a in module_free (module=0x69da20) at module-dir.c:67
#7 0x00007ffff7394882 in module_dir_unload (modules=0x68b680 <mail_storage_service_modules>) at module-dir.c:593
#8 0x00007ffff765376b in mail_storage_service_deinit (_ctx=0x6a05d0) at mail-storage-service.c:1475
#9 0x0000000000425ac2 in doveadm_mail_cmd (cmd=0x69f780, argc=3, argv=0x6943a0) at doveadm-mail.c:631
#10 0x0000000000425dcb in doveadm_mail_try_run (cmd_name=0x6943c9 "search", argc=3, argv=0x694398) at doveadm-mail.c:711
#11 0x0000000000433e1f in main (argc=3, argv=0x694398) at doveadm.c:346
2.0.0: dovecot.conf.orig
OS: Linux 2.6.35-ARCH x86_64 Arch Linux
auth_mechanisms = plain login
disable_plaintext_auth = yes
mail_location = mdbox:~/.mdbox
mdbox_rotate_size = 10m
mail_plugins = $mail_plugins zlib notify mail_log
enable imap notify
mailbox_list_index=yes
remove domain part from username and lowercase it
needed for lmtp delivery to system users
auth_username_format = %Ln
namespace inbox {
hidden = no
inbox = yes
list = yes
location =
prefix =
separator = .
type = private
mailbox Trash {
auto = subscribe
special_use = \Trash
}
mailbox Drafts {
auto = subscribe
special_use = \Drafts
}
mailbox Sent {
auto = subscribe # autocreate, autosubscribe
special_use = \Sent
}
mailbox Junk {
auto = subscribe
special_use = \Junk
}
}
passdb {
driver = pam
}
plugin {
sieve = ~/.dovecot.sieve
sieve_dir = ~/.sieve
sieve_global_dir = /etc/dovecot/sieve/global/
sieve_global_path = /etc/dovecot/sieve/default.sieve
mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename
mail_log_fields = uid box msgid size
}
protocols = imap pop3 sieve lmtp
service auth {
unix_listener auth-client {
group = postfix
mode = 0660
user = postfix
}
user = root
}
service imap-login {
process_limit = 400
process_min_avail = 5
#executable = imap-login -D
#chroot =
}
service managesieve-login {
inet_listener sieve {
#port = 4190
}
inet_listener sieve-obsolete {
port = 2000
}
}
service managesieve {
}
service lmtp {
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0660
user = postfix
}
}
#service imap {
executable = imap postlogin
#}
#service postlogin {
executable = script-login -d rawlog
unix_listener postlogin {
}
#}
login_log_format_elements = "user=<%u> method=%m rip=%r lip=%l mpid=%e %c %k"
imap_id_log = *
ssl_cert = </etc/ssl/my-certs/mail.pem
ssl_key = </etc/ssl/private/server.key
ssl_prefer_server_ciphers = yes
ssl_protocols = !SSLv2 !SSLv3
ssl_options = no_compression
#ssl_cipher_list = DHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-ECDSA-AES256-SHA384:DHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-ECDSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-SHA256:ECDHE-RSA-AES256-SHA256:DHE-ECDSA-AES128-SHA256:DHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:EDH-RSA-DES-CBC3-SHA:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ALL:!LOW:!SSLv2:!EXP:!aNULL
ssl_cipher_list = EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA
#ssl_dh_parameters_length = 4096
userdb {
driver = passwd
}
protocol imap {
imap_client_workarounds = tb-extra-mailbox-sep
mail_max_userip_connections = 30
mail_plugins = $mail_plugins imap_zlib
}
protocol lda {
mail_plugins = $mail_plugins sieve
postmaster_address = postmaster@server-speed.net
}
protocol lmtp {
postmaster_address = postmaster@server-speed.net
mail_plugins = $mail_plugins sieve
}
protocol sieve {
managesieve_logout_format = bytes ( in=%i : out=%o )
}
plugin {
sieve = ~/.dovecot.sieve
sieve_dir = ~/.sieve
zlib_save_level = 6
zlib_save = gz
#acl = vfile
}
#plugin {
#fts = lucene
Lucene-specific settings, good ones are:
#fts_lucene = whitespace_chars=@.
#fts_autoindex=yes
#}
auth_failure_delay = 2