[Dovecot] Error: broken sync positions in index file
Hi everybody,
I'm runing dovecot 2.2.12 and a user mailbox got the "broken sync positions in index file" error twice in the last 20 days. this is an extract from the maillog
maillog First Error
Mar 23 16:13:25 andromeda dovecot: pop3-login: Login: user=myuser@mydomain.com, method=PLAIN, rip=187.237.107.24, lip=207.7.90.83, mpid=3983, session=<5KSEbU310wC77WsY> Mar 23 16:13:27 andromeda dovecot: pop3(myuser@mydomain.com): Error: broken sync positions in index file /home/myuser/mail/mydomain.com/myuser/dovecot.index Mar 23 16:13:27 andromeda dovecot: pop3(myuser@mydomain.com): Warning: fscking index file /home/myuser/mail/mydomain.com/myuser/dovecot.index Mar 23 16:13:27 andromeda dovecot: pop3(myuser@mydomain.com): Error: Fixed index file /home/myuser/mail/mydomain.com/myuser/dovecot.index: log_file_tail_offset 164 -> 144 Mar 23 16:13:27 andromeda dovecot: pop3(myuser@mydomain.com): Panic: file mail-transaction-log.c: line 350 (mail_transaction_log_set_mailbox_sync_pos): assertion failed: (file_offset >= log->head->saved_tail_offset) Mar 23 16:13:27 andromeda dovecot: pop3(myuser@mydomain.com): Fatal: master: service(pop3): child 3983 killed with signal 6 (core dumps disabled) Mar 23 16:13:27 andromeda dovecot: pop3: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0 [0xb7e59350] -> /usr/lib/dovecot/libdovecot.so.0 [0xb7e593cd] -> /usr/lib/dovecot/libdovecot.so.0 [0xb7e58c64] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_transaction_log_set_mailbox_sync_pos+0x9a) [0xb7f8c1aa] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_commit+0x9c) [0xb7f82a5c] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0xb7f00f2b] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0xb7f0034a] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0xb7f006ba] -> /usr/lib/dovecot/libdovecot-storage.so.0(maildir_storage_sync_init+0xc1) [0xb7f00851] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x39) [0xb7f33b79] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync+0x3d) [0xb7f365ad] -> dovecot/pop3(client_create+0x2e2) [0x804c5e2] -> dovecot/pop3 [0x804afec] -> dovecot/pop3 [0x804b607] -> /usr/lib/dovecot/libdovecot.so.0 [0xb7e1033a] -> /usr/lib/dovecot/libdovecot.so.0 [0xb7e10622] -> /usr/li
maillog Second Error
Apr 9 17:22:00 andromeda dovecot: imap-login: Login: user=myuser@mydomain.com, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, mpid=29811, secured, session=
Deleting dovecot.index.* files solved the problem both times, but I'm wondering if something is wrong because it's always the same mailbox.
Before deleting dovecot.index I run doveadm with this oputput:
root@myserver [/home/myuser/mail/.myuser@mydomain_com]# doveadm index -u myuser INBOX doveadm(myuser): Fatal: User doesn't exist root@myserver [/home/myuser/mail/.myuser@mydomain_com]# doveadm index -u myuser@mydomain.com INBOX doveadm(myuser@mydomain.com): Error: Transaction log file /home/myuser/mail/mydomain.com/myuser/dovecot.index.log seq 4: log_file_tail_offset update shrank it (284 vs 420 sync_offset=268) doveadm(myuser@mydomain.com): Error: broken sync positions in index file /home/myuser/mail/mydomain.com/myuser/dovecot.index doveadm(myuser@mydomain.com): Warning: fscking index file /home/myuser/mail/mydomain.com/myuser/dovecot.index doveadm(myuser@mydomain.com): Error: Fixed index file /home/myuser/mail/mydomain.com/myuser/dovecot.index: log_file_tail_offset 420 -> 284 doveadm(myuser@mydomain.com): Panic: file mail-transaction-log.c: line 350 (mail_transaction_log_set_mailbox_sync_pos): assertion failed: (file_offset >= log->head->saved_tail_offset) doveadm(myuser@mydomain.com): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0 [0xb7d35e4f] -> /usr/lib/dovecot/libdovecot.so.0(default_fatal_handler+0x43) [0xb7d35f63] -> /usr/lib/dovecot/libdovecot.so.0 [0xb7d35744] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_transaction_log_set_mailbox_sync_pos+0x9a) [0xb7e6a60a] -> /usr/lib/dovecot/libdovecot-storage.so.0(mail_index_sync_commit+0x9c) [0xb7e60e5c] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0xb7ddef8b] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0xb7dde3aa] -> /usr/lib/dovecot/libdovecot-storage.so.0 [0xb7dde71a] -> /usr/lib/dovecot/libdovecot-storage.so.0(maildir_storage_sync_init+0xc1) [0xb7dde8b1] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x39) [0xb7e11d19] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync+0x3d) [0xb7e1474d] -> doveadm [0x80595db] -> doveadm [0x80558de] -> doveadm(doveadm_mail_try_run+0x293) [0x8055d03] -> doveadm(main+0x3bd) [0x805eb5d] -> /lib/libc.so.6(__libc_start_main+0xdc) [0xb7b89ebc] -> doveadm [0x8055061] Aborted
Is there anything else I should try? or just wait to see if this happens again? the mailbox is not very big, around 38Mb in 84 mails.
Thanks!
Alex
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Alejandro Angelico