It happened again:
GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "amd64-marcel-freebsd"...(no debugging symbols found)... Core was generated by `imap: [xistence@0x58.com 2601:282:4301:befc:955c:10da:bfcb:2b3a UID SEARCH]'. Program terminated with signal 6, Aborted. #0 0x0000000011c0c47a in ?? () (gdb) bt #0 0x0000000011c0c47a in ?? () #1 0x0000000011c0c444 in ?? () #2 0x0000000000018891 in cmd_store () #3 0x0000000011c0c3b9 in ?? () #4 0x0000000012216808 in ?? () #5 0x0000000000000005 in ?? () #6 0xffffffdf00000000 in ?? () #7 0xffffffffffffffff in ?? () #8 0x00007fffffffffff in ?? () #9 0x0000000000000005 in ?? () #10 0x00007fffffffe240 in ?? () #11 0x000000001189c6f6 in ?? () #12 0x0000000012355e28 in ?? () #13 0x00000000122de048 in ?? () #14 0x0000000000000000 in ?? ()
I really wish I could get some better backtrace information, but unfortunately this is it :-(
On Nov 15, 2018, at 17:17, Bert JW Regeer xistence@0x58.com wrote:
Hey all,
I keep finding core dumps of the IMAP process on my FreeBSD 11.2, however the backtrace is not very useful:
Core was generated by `imap: [xistence@0x58.com 2601:282:4301:befc:1cfb:807f:e527:5a3b UID SEARCH]'. Program terminated with signal 6, Aborted. #0 0x0000000011c0c47a in ?? () (gdb) bt #0 0x0000000011c0c47a in ?? () #1 0x0000000011c0c444 in ?? () #2 0x00000000000188b0 in cmd_store () #3 0x0000000011c0c3b9 in ?? () #4 0x0000000012216810 in ?? () #5 0x0000000000000005 in ?? () #6 0xffffffdf00000000 in ?? () #7 0xffffffffffffffff in ?? () #8 0x00007fffffffffff in ?? () #9 0x0000000000000005 in ?? () #10 0x00007fffffffe240 in ?? () #11 0x000000001189c6f6 in ?? () #12 0x0000000012355e28 in ?? () #13 0x00000000122de048 in ?? () #14 0x0000000000000000 in ?? () (gdb)
I am sorry that I haven't been able to find any more information or figure out what is going on :-(
doveconf -n output follows:
doveconf -n # 2.3.2.1 (0719df592): /usr/local/etc/dovecot/dovecot.conf # Pigeonhole version 0.5.2 (7704de5e) # OS: FreeBSD 11.2-RELEASE-p4 amd64 # Hostname: juxi.0x58.com auth_mechanisms = plain login first_valid_gid = 127 first_valid_uid = 127 hostname = butler.0x58.com last_valid_gid = 127 last_valid_uid = 127 lmtp_save_to_detail_mailbox = yes login_greeting = Assume the position. mail_gid = 127 mail_home = /usr/local/vmail/domains/%d/%n mail_location = maildir:~/Maildir/ mail_plugins = " quota trash zlib virtual " mail_uid = 127 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 ihave duplicate namespace butler { hidden = no list = yes location = virtual:/usr/local/vmail/virtual:LAYOUT=maildir++:INDEX=~/virtual mailbox All { auto = subscribe special_use = \All } mailbox Flagged { auto = subscribe special_use = \Flagged } prefix = [Butler]/ separator = / subscriptions = yes type = private } namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = separator = / subscriptions = yes } passdb { args = scheme=CRYPT username_format=%u /usr/local/vmail/domains/%d/passwd driver = passwd-file } plugin { fts = squat quota = maildir:User quota quota_rule = *:storage=5G quota_rule2 = Trash:storage=+100M quota_rule3 = Deleted Messages:storage=+100M recipient_delimiter = + sieve = ~/.dovecot.sieve sieve_dir = ~/sieve stats_refresh = 30 secs } postmaster_address = postmaster@butler.0x58.com protocols = imap lmtp sieve service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { group = vmail mode = 0666 user = vmail } } service imap { drop_priv_before_exec = yes } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0666 user = postfix } } service managesieve-login { inet_listener sieve { port = 4190 } } service stats { fifo_listener stats-mail { mode = 0600 user = vmail } } ssl_cert = :storage=3G driver = passwd-file } verbose_proctitle = yes verbose_ssl = yes protocol lmtp { mail_plugins = " quota trash zlib virtual sieve" } protocol lda { mail_plugins = " quota trash zlib virtual sieve" } protocol imap { mail_plugins = " quota trash zlib virtual fts fts_squat imap_quota imap_zlib" }