Dovecot 2.3 panic

29 Mar 2018 · *@*


      Dovecot version: 2.3.1 (happens with 2.3.x too)
OS: CentOS 7 64-bit
Mar 28 16:29:24 lmtp(30383): Panic: file lib-event.c: line 182 (event_pop_global): assertion failed: (event != NULL)
Mar 28 16:29:24 lmtp(30383): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xcc7a4) [0x7fac7f5177a4] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x2a) [0x7fac7f5177ea] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7fac7f48826b] -> /usr/lib/dovecot/libdovecot.so.0(+0xe8392) [0x7fac7f533392] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x4ffc8) [0x7fac7f814fc8] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_context_deactivate+0x5d) [0x7fac7f52ec5d] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x85) [0x7fac7f52f055] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10f) [0x7fac7f53092f] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x52) [0x7fac7f52f132] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7fac7f52f358] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7fac7f4ab6e3] -> dovecot/lmtp local READY [0x7fac7ff4a319] -> /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fac7f0a9c05] -> dovecot/lmtp local READY [0x7fac7ff4a445]
Mar 28 16:30:03 lmtp(17330): Panic: file lib-event.c: line 182 (event_pop_global): assertion failed: (event != NULL)
Mar 28 16:30:03 lmtp(17330): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xcc7a4) [0x7f31e1b977a4] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x2a) [0x7f31e1b977ea] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f31e1b0826b] -> /usr/lib/dovecot/libdovecot.so.0(+0xe8392) [0x7f31e1bb3392] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x4ffc8) [0x7f31e1e94fc8] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_context_deactivate+0x5d) [0x7f31e1baec5d] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x85) [0x7f31e1baf055] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10f) [0x7f31e1bb092f] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x52) [0x7f31e1baf132] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f31e1baf358] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f31e1b2b6e3] -> dovecot/lmtp local READY [0x7f31e25ca319] -> /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f31e1729c05] -> dovecot/lmtp local READY [0x7f31e25ca445]
Mar 28 16:31:52 lmtp(883): Panic: file lib-event.c: line 182 (event_pop_global): assertion failed: (event != NULL)
Mar 28 16:31:52 lmtp(883): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0xcc7a4) [0x7feb746127a4] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x2a) [0x7feb746127ea] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7feb7458326b] -> /usr/lib/dovecot/libdovecot.so.0(+0xe8392) [0x7feb7462e392] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x4ffc8) [0x7feb7490ffc8] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_context_deactivate+0x5d) [0x7feb74629c5d] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x85) [0x7feb7462a055] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10f) [0x7feb7462b92f] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x52) [0x7feb7462a132] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7feb7462a358] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7feb745a66e3] -> dovecot/lmtp local READY [0x7feb75045319] -> /lib64/libc.so.6(__libc_start_main+0xf5) [0x7feb741a4c05] -> dovecot/lmtp local READY [0x7feb75045445]
# 2.3.1 (8e2f634): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.1 (d9bc6dfe)
# OS: Linux 3.10.0-714.10.2.lve1.5.12.el7.x86_64 x86_64 CloudLinux release 7.4 (Georgy Grechko)

# Hostname: XXXXXXXXXXXXXXX
auth_username_chars = abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@&
auth_verbose = yes
default_client_limit = 12288
default_login_user = dovecot
default_process_limit = 2048
default_vsz_limit = 512 M
disable_plaintext_auth = no
listen = *
lmtp_rcpt_check_quota = yes
login_greeting = Dovecot ready.
mail_access_groups = mail
mail_location = maildir:~/Maildir
mail_max_userip_connections = 150
mail_plugins = " quota"
maildir_copy_with_hardlinks = no
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
passdb {
driver = shadow
username_filter = !*@*
}
passdb {
args = username_format=%n /etc/virtual/%d/passwd
driver = passwd-file
username_filter = *@*
}
plugin {
quota = maildir
sieve = file:~/sieve;active=~/.dovecot.sieve
sieve_default = /var/lib/dovecot/sieve/default.sieve
sieve_global = /var/lib/dovecot/sieve/global/
}
protocols = imap pop3 lmtp sieve
service auth {
user = root
}
service imap-login {
process_min_avail = 16
user = dovecot
}
service lmtp {
executable = lmtp -L
process_min_avail = 16
unix_listener lmtp-client {
group = mail
mode = 0660
user = mail
}
}
service managesieve-login {
inet_listener sieve {
port = 4190
}
process_min_avail = 4
service_count = 1
}
service pop3-login {
process_min_avail = 16
user = dovecot
}
ssl_cert = </etc/exim.cert
ssl_cipher_list = ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM:-LOW:-SSLv2:-EXP
ssl_dh =  # hidden, use -P to show it
ssl_key =  # hidden, use -P to show it
userdb {
driver = passwd
}
userdb {
args = username_format=%n /etc/virtual/%d/passwd
driver = passwd-file
}
verbose_proctitle = yes
protocol imap {
mail_plugins = " quota quota imap_quota"
}
protocol pop3 {
pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s, bytes=%i/%o
pop3_uidl_format = %08Xu%08Xv
}
protocol lmtp {
info_log_path = /var/log/dovecot-lmtp.log
log_path = /var/log/dovecot-lmtp-errors.log
mail_plugins = " quota quota sieve"
postmaster_address = root@%{hostname}
quota_full_tempfail = no
}
protocol sieve {
info_log_path = /var/log/dovecot-sieve.log
log_path = /var/log/dovecot-sieve-errors.log
managesieve_implementation_string = Dovecot Pigeonhole
managesieve_logout_format = bytes=%i/%o
managesieve_max_compile_errors = 5
managesieve_max_line_length = 65536
}
remote 127.0.0.1 {
mail_max_userip_connections = 550
}
local_name XXXXXX {
ssl_cert = </etc/domains/XXXXXX.cert.combined
ssl_key =  # hidden, use -P to show it
}
--
Best regards,
Martynas Bendorius

Martynas Bendorius

Aki Tuomi

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