Error: Raw backtrace and index cache

[Aki Tuomi]

Firstly, 2.2.13 is about 5 years old. So there's that. It would be
helpful if you can reproduce this with 2.2.36.

Also, you forgot to actually include in your log snippet the panic. So
maybe few more lines before the Raw backtrace?

Aki

On 20.11.2019 10.54, Maciej Milaszewski IQ PL via dovecot wrote:
> Hi
> I have "problem" with dovect 2.2.13 from repo debian8 and I don't know
> how to solve it ...
>
> Server is a virtual (kvm) with debian 8.11 (postfix + dovecot from repo)
> and storage is mounting via nfs (I have use only one dovecot with
> external storage)
>
> All works fine but sometime ( after a few hours ) I have got a problem
> with dovecot cache (i use indexes)
> logs -> http://paste.debian.net/1117072/
>
>
> The store is mounted via nfs in /home/
> index is local in  /var/dovecot_indexes%h
>
> All go back to normal when i remove indexes like:
> find /var/dovecot_indexes/home/ -name 'dovecot*' -type f -delete
> but this is not good solution
>
> What am I doing wrong ?
>
>
> For tunning nfs in 10-mail.conf:
>
> ---------
> "mail_location = maildir:~/Maildir:INDEX=/var/dovecot_indexes%h
>
> namespace inbox {
>   inbox = yes
> }
>
> mmap_disable = yes
> dotlock_use_excl = no
> mail_fsync = always
>
> mail_nfs_storage = no
> mail_nfs_index = no
>
> lock_method = fcntl
> mail_temp_dir = /tmp
> mail_plugins = quota expire notify mail_log
>
> mailbox_idle_check_interval = 30 secs
> mail_temp_scan_interval = 1w
> maildir_very_dirty_syncs = no
>
> -------------
>
> doveconf -n
>
> # 2.2.13: /etc/dovecot/dovecot.conf
> # OS: Linux 3.16.0-9-amd64 x86_64 Debian 8.11
> auth_mechanisms = plain login
> disable_plaintext_auth = no
> dotlock_use_excl = no
> lda_original_recipient_header = X-Original-To
> log_path = /var/log/dovecot/dovecot.mail133
> mail_fsync = always
> mail_location = maildir:~/Maildir:INDEX=/var/dovecot_indexes%h
> mail_plugins = quota expire notify mail_log
> 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
> mmap_disable = yes
> 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 {
>   driver = pam
> }
> passdb {
>   args = /etc/dovecot/dovecot-sql.conf
>   driver = sql
> }
> plugin {
>   mail_log_events = delete undelete expunge copy mailbox_delete
> mailbox_rename
>   mail_log_fields = uid box msgid size
>   sieve = ~/dovecot.sieve
>   sieve_default = /var/lib/dovecot/sieve/default.sieve
>   sieve_dir = %h/sieve
>   sieve_global_dir = /var/lib/dovecot/sieve/
> }
> protocols = " imap lmtp sieve pop3"
> service auth {
>   unix_listener auth-master {
>     group = users
>     mode = 0666
>     user = virtual
>   }
>   unix_listener auth-userdb {
>     group = users
>     user = virtual
>   }
> }
> service lmtp {
>   inet_listener lmtp {
>     port = 24
>   }
>   unix_listener /var/spool/postfix/private/dovecot-lmtp {
>     group = postfix
>     mode = 0600
>     user = postfix
>   }
>   user = virtual
> }
> service managesieve-login {
>   inet_listener sieve {
>     address = 127.0.0.1 94.124.15.58
>     port = 4190
>   }
> }
> ssl_ca = /etc/postfix/ssl/mail.maximail.pl.pem
> ssl_cert = </etc/postfix/ssl/mail.maximail.pl.pem
> ssl_key = </etc/postfix/ssl/mail.maximail.pl.key
> ssl_protocols = !SSLv2 !SSLv3
> userdb {
>   driver = passwd
> }
> userdb {
>   args = /etc/dovecot/dovecot-sql.conf
>   driver = sql
> }
> protocol lmtp {
>   info_log_path = /var/log/dovecot/dovecot.mali133
>   lmtp_save_to_detail_mailbox = yes
>   mail_plugins = quota sieve notify push_notification
> }
> protocol lda {
>   auth_socket_path = /var/run/dovecot/auth-master
>   lda_mailbox_autocreate = yes
>   log_path = /var/log/dovecot/dovecot-lda.mail133
>   mail_plugins = sieve
>   postmaster_address = root
> }
>