Hello,
I am running Dovecot 2.3.16 (7e2e900c1a) on RHEL 9.2. I attach my
"doveconf -n" configuration. I have replication enabled between 2
servers, both very beefy with 16 cores of Intel(R) Xeon(R) Gold 6244 CPU
@ 3.60GHz, 768gb memory, and 100-gig ethernet. The configs are the same
except the replication part which points at each other via a puppet
template. It seems to work well for most users on modern email clients
using the mdbox storage format. The issue I'm having is that some of my
users are on the old-style mbox storage format so they can use legacy
mail readers such as pine and mutt natively. For some of these users,
syncing works just fine. For others, right now about a dozen users, the
sync never completes, and I get the following error & backtrace in
/var/log/maillog:
Aug 4 23:54:22 mail6 dovecot[1177530]: doveadm: Panic: file
dsync-mailbox-import.c: line 2163 (dsync_mailbox_import_handle_mail):
assertion failed: (array_count(&wanted_uids) > 0)
Aug 4 23:54:22 mail6 dovecot[1177530]: doveadm: Error: Raw backtrace:
/usr/lib64/dovecot/libdovecot.so.0(backtrace_append+0x46)
[0x7fa6ab05c486] ->
/usr/lib64/dovecot/libdovecot.so.0(backtrace_get+0x22) [0x7fa6ab05c5a2]
-> /usr/lib64/dovecot/libdovecot.so.0(+0x10a41b) [0x7fa6ab06b41b] ->
/usr/lib64/dovecot/libdovecot.so.0(+0x10a4b7) [0x7fa6ab06b4b7] ->
/usr/lib64/dovecot/libdovecot.so.0(+0x5d11a) [0x7fa6aafbe11a] ->
dovecot/doveadm-server(+0x24029) [0x56433f2f7029] ->
dovecot/doveadm-server(dsync_mailbox_import_changes_finish+0x29c)
[0x56433f32fb9c] -> dovecot/doveadm-server(dsync_brain_sync_mails+0x8d5)
[0x56433f331f15] -> dovecot/doveadm-server(+0x52255) [0x56433f325255] ->
dovecot/doveadm-server(+0x52639) [0x56433f325639] ->
dovecot/doveadm-server(+0x5fa53) [0x56433f332a53] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x6d)
[0x7fa6ab081cbd] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x13a)
[0x7fa6ab083bba] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x54)
[0x7fa6ab083c64] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x40)
[0x7fa6ab083e20] -> dovecot/doveadm-server(+0x37d7c) [0x56433f30ad7c] ->
dovecot/doveadm-server(+0x3974d) [0x56433f30c74d] ->
dovecot/doveadm-server(+0x5020b) [0x56433f32320b] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x6d)
[0x7fa6ab081cbd] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x13a)
[0x7fa6ab083bba] ->
/usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x54)
[0x7fa6ab083c64] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x40)
[0x7fa6ab083e20] ->
/usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x17)
[0x7fa6aaff2337] -> dovecot/doveadm-server(main+0x102) [0x56433f2f8f92]
-> /lib64/libc.so.6(+0x3feb0) [0x7fa6aac3feb0] ->
/lib64/libc.so.6(__libc_start_main+0x80) [0x7fa6aac3ff60] ->
dovecot/doveadm-server(_start+0x25) [0x56433f2f9015]
Aug 4 23:54:22 mail6 dovecot[1177530]: doveadm: Fatal: master:
service(doveadm): child 1117475 killed with signal 6 (core dumped)
I'm not sure what might be causing this, and wanted to see if anyone
here could offer any suggestions. Please let me know if any additional
information is needed.
Thanks,
Ben
# 2.3.16 (7e2e900c1a): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.5.16 (09c29328)
# OS: Linux 5.14.0-284.11.1.el9_2.x86_64 x86_64 Springdale Open Enterprise
Linux release 9.2 (Parma)
# Hostname: mail5.math.princeton.edu.private
auth_cache_negative_ttl = 5 mins
auth_cache_size = 32 M
auth_debug = yes
auth_mechanisms = plain login
auth_username_format = %Ln
auth_verbose = yes
auth_verbose_passwords = sha1
doveadm_password = # hidden, use -P to show it
doveadm_port = 12345
first_valid_gid = 500
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
listen = *
mail_location = mbox:~/mail:INBOX=/var/spool/mail/%u:INDEX=/home/%u/indexes
mail_nfs_storage = yes
mail_plugins = " fts fts_squat zlib notify replication"
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 {
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox Sent {
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Trash {
special_use = \Trash
}
prefix =
}
passdb {
args = /etc/dovecot/deny-users
deny = yes
driver = passwd-file
}
passdb {
args = /etc/dovecot/dovecot-ldap.conf.ext
driver = ldap
}
plugin {
fts = squat
fts_squat = partial=4 full=10
mail_replica = tcps:mail6.math.princeton.edu:12345
sieve = file:~/.sieve;active=~/.dovecot.sieve
sieve_dir = ~/.sieve/
sieve_user_log = ~/.sieve/log
}
protocols = imap lmtp
replication_max_conns = 1024
service aggregator {
fifo_listener replication-notify-fifo {
group = mail
mode = 0666
user = dovecot
}
unix_listener replication-notify {
group = mail
mode = 0666
user = dovecot
}
}
service anvil {
unix_listener anvil {
group = mail
mode = 0666
}
}
service auth {
unix_listener auth-userdb {
mode = 0666
}
}
service doveadm {
inet_listener {
port = 12345
ssl = yes
}
vsz_limit = 384 G
}
service imap-login {
process_min_avail = 4
service_count = 0
vsz_limit = 512 M
}
service imap {
vsz_limit = 4 G
}
service lmtp {
inet_listener lmtp {
address = *
port = 24
}
}
service replicator {
process_min_avail = 1
unix_listener replicator-doveadm {
group = mail
mode = 0666
user = dovecot
}
vsz_limit = 384 G
}
service stats {
unix_listener stats-reader {
group = mail
mode = 0666
}
unix_listener stats-writer {
group = mail
mode = 0666
}
}
ssl = required
ssl_cert = </etc/pki/dovecot/certs/mail5.math.princeton.edu.crt
ssl_cipher_list = PROFILE=SYSTEM
ssl_client_ca_file = /etc/pki/tls/cert.pem
ssl_key = # hidden, use -P to show it
userdb {
driver = prefetch
}
userdb {
args = /etc/dovecot/dovecot-ldap.conf.ext
driver = ldap
}
protocol lmtp {
mail_plugins = " fts fts_squat zlib notify replication sieve"
}
protocol lda {
mail_plugins = " fts fts_squat zlib notify replication sieve"
}
protocol imap {
imap_client_workarounds = tb-extra-mailbox-sep tb-lsub-flags
mail_max_userip_connections = 128
mail_plugins = " fts fts_squat zlib notify replication imap_zlib"
}
local 128.112.16.53 {
protocol imap {
ssl_cert = </etc/pki/dovecot/certs/mail5.math.princeton.edu.crt
ssl_key = # hidden, use -P to show it
}
}
local 128.112.16.53 {
protocol pop3 {
ssl_cert = </etc/pki/dovecot/certs/mail5.math.princeton.edu.crt
ssl_key = # hidden, use -P to show it
}
}
local 128.112.17.119 {
protocol imap {
ssl_cert = </etc/pki/dovecot/certs/mail0.math.princeton.edu.crt
ssl_key = # hidden, use -P to show it
}
}
local 128.112.17.119 {
protocol pop3 {
ssl_cert = </etc/pki/dovecot/certs/mail0.math.princeton.edu.crt
ssl_key = # hidden, use -P to show it
}
}
local 128.112.16.246 {
protocol imap {
ssl_cert = </etc/pki/dovecot/certs/imap0.math.princeton.edu.crt
ssl_key = # hidden, use -P to show it
}
}
local 128.112.16.246 {
protocol pop3 {
ssl_cert = </etc/pki/dovecot/certs/imap0.math.princeton.edu.crt
ssl_key = # hidden, use -P to show it
}
}
local 128.112.18.23 {
protocol imap {
ssl_cert = </etc/pki/dovecot/certs/imap.math.princeton.edu.crt
ssl_key = # hidden, use -P to show it
}
}
local 128.112.18.23 {
protocol pop3 {
ssl_cert = </etc/pki/dovecot/certs/imap.math.princeton.edu.crt
ssl_key = # hidden, use -P to show it
}
}
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