Hi,

We store our mail archive in a tree of subfolders. I am trying to speed up text searching on our mail archive but when running "doveadm -D -v index -u neil shared/Exalon/Aandeelhouders" the following output is produced:

doveadm(neil): Debug: Loading modules from directory: /usr/lib/dovecot/modules doveadm(neil): Debug: Module loaded: /usr/lib/dovecot/modules/lib20_fts_plugin.so doveadm(neil): Debug: Module loaded: /usr/lib/dovecot/modules/lib21_fts_squat_plugin.so doveadm(neil): Debug: Loading modules from directory: /usr/lib/dovecot/modules/doveadm doveadm(neil): Debug: Skipping module doveadm_acl_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_dovea dm_acl_plugin.so: undefined symbol: acl_user_module (this is usually intentional, so just ignore this message) doveadm(neil): Debug: Skipping module doveadm_expire_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_do veadm_expire_plugin.so: undefined symbol: expire_set_deinit (this is usually intentional, so just ignore this message) doveadm(neil): Debug: Skipping module doveadm_quota_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_dov eadm_quota_plugin.so: undefined symbol: quota_user_module (this is usually intentional, so just ignore this message) doveadm(neil): Debug: Skipping module doveadm_zlib_plugin, because dlopen() failed: /usr/lib/dovecot/modules/doveadm/lib10_dove adm_zlib_plugin.so: undefined symbol: i_stream_create_deflate (this is usually intentional, so just ignore this message) doveadm(neil): Debug: Module loaded: /usr/lib/dovecot/modules/doveadm/lib20_doveadm_fts_plugin.so doveadm(neil): Debug: auth input: neil system_groups_user=neil uid=1000 gid=1000 home=/home/neil doveadm(neil): Debug: Effective uid=1000, gid=1000, home=/home/neil doveadm(neil): Debug: Namespace inbox: type=private, prefix=, sep=, inbox=yes, hidden=no, list=yes, subscriptions=yes location= mbox:~/mail:INBOX=/var/mail/neil doveadm(neil): Debug: fs: root=/home/neil/mail, index=, control=, inbox=/var/mail/neil, alt= doveadm(neil): Debug: Namespace : type=shared, prefix=shared/, sep=/, inbox=no, hidden=no, list=yes, subscriptions=no location= mbox:~imapshared doveadm(neil): Debug: mbox: INBOX defaulted to /home/imapshared/inbox doveadm(neil): Debug: fs: root=/home/imapshared, index=, control=, inbox=/home/imapshared/inbox, alt= doveadm(neil): Info: shared/Exalon/Aandeelhouders: Caching mails seq=1..27 27/27 doveadm(neil): Panic: file mbox-storage.c: line 711 (mbox_transaction_unlock): assertion failed: (mbox->box.transaction_count

                                                  0 || 

mbox->mbox_lock_type == F_UNLCK) doveadm(neil): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x3c0ba) [0x7fb91d7460ba] -> /usr/lib/dovecot/libdovecot .so.0(default_fatal_handler+0x2a) [0x7fb91d74617a] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7fb91d71d85a] -> /usr/lib/ dovecot/libdovecot-storage.so.0(+0x54d80) [0x7fb91d9e4d80] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x54dee) [0x7fb91d9e4de e] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0xb0e2) [0x7fb91c2c30e2] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbo x_transaction_commit_get_changes+0x3d) [0x7fb91da0010d] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_transaction_commit+ 0x15) [0x7fb91da00145] -> /usr/lib/dovecot/modules/lib21_fts_squat_plugin.so(+0x3927) [0x7fb91c0ab927] -> /usr/lib/dovecot/modu les/lib21_fts_squat_plugin.so(+0x39b1) [0x7fb91c0ab9b1] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0x649c) [0x7fb91c2be49 c] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(fts_backend_update_deinit+0x2b) [0x7fb91c2be59b] -> /usr/lib/dovecot/modules /lib20_fts_plugin.so(+0xb03c) [0x7fb91c2c303c] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0xb0d3) [0x7fb91c2c30d3] -> /us r/lib/dovecot/libdovecot-storage.so.0(mailbox_transaction_commit_get_changes+0x3d) [0x7fb91da0010d] -> /usr/lib/dovecot/libdove cot-storage.so.0(mailbox_transaction_commit+0x15) [0x7fb91da00145] -> /usr/bin/doveadm(+0x15430) [0x7fb91e0fb430] -> /usr/bin/d oveadm(+0x11f66) [0x7fb91e0f7f66] -> /usr/bin/doveadm(+0x12a41) [0x7fb91e0f8a41] -> /usr/bin/doveadm(doveadm_mail_try_run+0x161 ) [0x7fb91e0f8f01] -> /usr/bin/doveadm(main+0x3d1) [0x7fb91e0f7b21] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7fb91d363ea5] -> /usr/bin/doveadm(+0x11d55) [0x7fb91e0f7d55] Aborted (core dumped)

When indexing is triggered using the imap server it logs:

Jun 10 12:32:16 indexer: Error: Indexer worker disconnected, discarding 1 requests for neil Jun 10 12:32:16 indexer-worker(neil): Fatal: master: service(indexer-worker): child 22173 killed with signal 6 (core dumps disabled) Jun 10 12:32:16 imap(neil): Error: indexer failed to index mailbox shared/Suppliers/NXP Jun 10 12:32:16 indexer-worker: Debug: Loading modules from directory: /usr/lib/dovecot/modules Jun 10 12:32:16 indexer-worker: Debug: Module loaded: /usr/lib/dovecot/modules/lib20_fts_plugin.so Jun 10 12:32:16 indexer-worker: Debug: Module loaded: /usr/lib/dovecot/modules/lib21_fts_squat_plugin.so Jun 10 12:32:16 indexer-worker: Debug: auth input: neil system_groups_user=neil uid=1000 gid=1000 home=/home/neil Jun 10 12:32:16 indexer-worker(neil): Debug: Effective uid=1000, gid=1000, home=/home/neil Jun 10 12:32:16 indexer-worker(neil): Debug: Namespace inbox: type=private, prefix=, sep=, inbox=yes, hidden=no, list=yes, subscriptions=yes location=mbox:~/mail:INBOX=/var/mail/nei l Jun 10 12:32:16 indexer-worker(neil): Debug: fs: root=/home/neil/mail, index=, control=, inbox=/var/mail/neil, alt= Jun 10 12:32:16 indexer-worker(neil): Debug: Namespace : type=shared, prefix=shared/, sep=/, inbox=no, hidden=no, list=yes, subscriptions=no location=mbox:~imapshared Jun 10 12:32:16 indexer-worker(neil): Debug: mbox: INBOX defaulted to /home/imapshared/inbox Jun 10 12:32:16 indexer-worker(neil): Debug: fs: root=/home/imapshared, index=, control=, inbox=/home/imapshared/inbox, alt= Jun 10 12:32:16 indexer-worker(neil): Panic: file mbox-storage.c: line 711 (mbox_transaction_unlock): assertion failed: (mbox->box.transaction_count > 0 || mbox->mbox_lock_type == F _UNLCK) Jun 10 12:32:16 indexer-worker(neil): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x3c0ba) [0x7f9da1ef60ba] -> /usr/lib/dovecot/libdovecot.so.0(+0x3c0fe) [0x7f9da1ef60fe ] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f9da1ecd85a] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x54d80) [0x7f9da2194d80] -> /usr/lib/dovecot/libdovecot-storage.so.0( +0x54dee) [0x7f9da2194dee] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0xb0e2) [0x7f9da0a730e2] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_transaction_commit_get_chang es+0x3d) [0x7f9da21b010d] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_transaction_commit+0x15) [0x7f9da21b0145] -> /usr/lib/dovecot/modules/lib21_fts_squat_plugin.so(+0x3927 ) [0x7f9da085b927] -> /usr/lib/dovecot/modules/lib21_fts_squat_plugin.so(+0x39b1) [0x7f9da085b9b1] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0x649c) [0x7f9da0a6e49c] -> /usr/ lib/dovecot/modules/lib20_fts_plugin.so(fts_backend_update_deinit+0x2b) [0x7f9da0a6e59b] -> /usr/lib/dovecot/modules/lib20_fts_plugin.so(+0xb03c) [0x7f9da0a7303c] -> /usr/lib/doveco t/modules/lib20_fts_plugin.so(+0xb0d3) [0x7f9da0a730d3] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_transaction_commit_get_changes+0x3d) [0x7f9da21b010d] -> /usr/lib/dovecot /libdovecot-storage.so.0(mailbox_transaction_commit+0x15) [0x7f9da21b0145] -> dovecot/indexer-worker(+0x287c) [0x7f9da265f87c] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x 36) [0x7f9da1f02f76] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xa7) [0x7f9da1f03c37] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x28) [0x7f9da1f02988] -> /usr/li b/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f9da1eef3c3] -> dovecot/indexer-worker(main+0xfe) [0x7f9da265f10e] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f9da1b13ea5] -> dovecot/indexer-worker(+0x21b5) [0x7f9da265f1b5]

neil@athina:~$ dovecot -n # 2.1.7: /etc/dovecot/dovecot.conf # OS: Linux 3.8.0-23-generic x86_64 Ubuntu 13.04 auth_verbose = yes disable_plaintext_auth = no log_path = /var/log/dovecot.log mail_debug = yes mail_plugins = fts fts_squat mail_privileged_group = mail namespace { list = yes location = mbox:~imapshared prefix = shared/ separator = / subscriptions = no type = shared } namespace inbox { inbox = yes location = mbox:~/mail:INBOX=/var/mail/%u 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 } plugin { fts = squat fts_squat = partial=4 full=10 sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } protocols = " imap" ssl_cert =

-- Willem-Jan de Hoog