<html><head></head><body>Hi!<br><br>Can you provide gdb bt full output for this crash?<br><br>Install debug symbols (if necessary) and<br><br>gdb /usr/libexec/dovecot/imap /path/to/core<br>bt full<br><br>Aki<br><br><div class="gmail_quote">On 28 October 2021 11.27.07 UTC, Frank Elsner <frank.elsner@mailbox.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre dir="auto" class="k9mail">On Thu, 28 Oct 2021 12:12:53 +0300 (EEST) Aki Tuomi wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">We are pleased to release v2.3.17 of Dovecot.<br></blockquote><br>Hello,<br><br>on my private fully updated Fedora 34 system I've replaced version 2.3.16 by<br>version 2.3.17 without touching the configuration.<br><br>Whereas version 2.3.16 worked the new 2.3.17 says<br>Oct 28 11:29:27 christo dovecot[216609]: imap-login: Login: frank, 127.0.0.1, TLS<br>Oct 28 11:29:27 christo dovecot[216609]: IMAP(frank,127.0.0.1): ID sent: name=imapsync, version=1.977, os=linux, vendor=Gilles LAMIRAL, support-url=https://imapsync.lamiral.info/, date=23-Dec-2019 20:18:02 +0000, side=host2<br>Oct 28 11:29:27 christo dovecot[216609]: IMAP(frank,127.0.0.1): Fatal: master: service(imap): child 216943 killed with signal 11 (core dumped)<br>Oct 28 11:29:27 christo dovecot[216609]: imap-login: Login: frank, 127.0.0.1, TLS<br>Oct 28 11:29:27 christo dovecot[216609]: IMAP(frank,127.0.0.1): Fatal: master: service(imap): child 216952 killed with signal 11 (core dumped)<br>Oct 28 11:29:27 christo dovecot[216609]: imap-login: Login: frank, 127.0.0.1, TLS<br>Oct 28 11:29:27 christo dovecot[216609]: IMAP(frank,127.0.0.1): Fatal: master: service(imap): child 216964 killed with signal 11 (core dumped)<br><br><br>For comparison the old version<br><br>Oct 28 11:36:58 christo dovecot[279524]: imap-login: Login: frank, 127.0.0.1, TLS<br>Oct 28 11:36:58 christo dovecot[279524]: IMAP(frank,127.0.0.1): ID sent: name=imapsync, version=1.977, os=linux, vendor=Gilles LAMIRAL, support-url=https://imapsync.lamiral.info/, date=23-Dec-2019 20:18:02 +0000, side=host2<br>Oct 28 11:37:37 christo dovecot[279524]: IMAP(frank,127.0.0.1): Disconnected: Logged out [79451/32883563]<br><br><br>If required here is the configuration which is rather old but worked until 2.3.16<br><br># 2.3.16 (7e2e900c1a): /usr/local/dovecot/etc/dovecot/dovecot.conf<br># OS: Linux 5.14.13-200.fc34.x86_64 x86_64 Fedora release 34 (Thirty Four) ext3<br># Hostname: christo<br>auth_mechanisms = plain login<br>default_client_limit = 1024<br>default_process_limit = 256<br>default_vsz_limit = 512 M<br>first_valid_uid = 200<br>last_valid_uid = 65534<br>listen = *<br>lmtp_save_to_detail_mailbox = yes<br>login_greeting = m28a.ddns.net - IMAPs Service (dovecot) ready.<br>login_log_format_elements = %u %r %c<br>mail_location = maildir:/var/spool/mail/%u:LAYOUT=fs<br>mail_log_prefix = "%Us(%u,%r): "<br>mail_plugin_dir = /usr/dovecot/lib/dovecot/<br>mail_plugins = notify quota fts fts_squat acl<br>namespace inbox {<br> inbox = yes<br> list = yes<br> location = <br> mailbox Drafts {<br> special_use = \Drafts<br> }<br> mailbox Gesendet {<br> special_use = \Sent<br> }<br> mailbox SPAM {<br> special_use = \Junk<br> }<br> mailbox Sent {<br> special_use = \Sent<br> }<br> mailbox Trash {<br> special_use = \Trash<br> }<br> prefix = <br> subscriptions = yes<br> type = private<br>}<br>passdb {<br> args = dovecot<br> driver = pam<br>}<br>plugin {<br> fts = squat<br> fts_squat = partial=4 full=10<br> mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename flag_change append<br> mail_log_fields = uid box from subject msgid size flags<br> mail_log_group_events = yes<br>}<br>postmaster_address = mailonator@mailbox.org<br>protocols = imap<br>service anvil {<br> client_limit = 1024<br>}<br>service auth {<br> unix_listener auth-client {<br> group = exim<br> mode = 0660<br> user = exim<br> }<br>}<br>service imap-login {<br> inet_listener imap {<br> port = 143<br> }<br> process_limit = 512<br> process_min_avail = 3<br>}<br>service imap-postlogin {<br> executable = script-login /usr/local/sbin/dovecot-imap-post-login<br>}<br>service imap {<br> executable = imap<br> process_limit = 128<br>}<br>service pop3-login {<br> inet_listener pop3 {<br> port = 110<br> }<br> inet_listener pop3s {<br> port = 995<br> ssl = yes<br> }<br>}<br>service pop3 {<br> process_limit = 128<br>}<br>ssl_cert = </usr/local/etc/Certs/m28a.crt<br>ssl_dh = # hidden, use -P to show it<br>ssl_key = # hidden, use -P to show it<br>userdb {<br> driver = passwd<br>}<br>verbose_proctitle = yes<br>protocol lmtp {<br> mail_plugins = notify quota fts fts_squat acl<br>}<br>protocol lda {<br> mail_plugins = notify quota fts fts_squat acl<br>}<br>protocol imap {<br> imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags<br> imap_id_log = *<br> imap_logout_format = [%i/%o]<br> mail_max_userip_connections = 0<br> mail_plugins = notify quota fts fts_squat acl quota imap_quota listescape fts fts_squat<br>}<br><br><br>What's going on? Any pointer to solution welcome.<br><br><br>Kind regards, Frank <br></pre></blockquote></div></body></html>