Hello,

after upgrade from dovecot-1.1.3 to dovecot-1.1.5 I am getting Fatal failures in auth-worker:

Oct 26 14:00:31 host dovecot: auth(default): new auth connection: pid=27526 Oct 26 14:00:31 host dovecot: auth(default): client in: AUTH^I1^IDIGEST-MD5^Iservice=smtp Oct 26 14:00:31 host dovecot: auth(default): client out: CONT^I1^IcmVhbG09IiIsbm9uY2U9IitTWElHWnJabHFkb0hoa0ttRktLdEE9PSIscW9wPSJhdXRoIixjaGFyc2V0PSJ1dGYtOCIsYWxnb3JpdGhtPSJtZDUtc2VzcyI= Oct 26 14:00:31 host dovecot: auth(default): client in: CONT<hidden> Oct 26 14:00:31 host dovecot: auth(default): cache(me): expired Oct 26 14:00:31 host dovecot: auth-worker(default): sql(me): query: SELECT user, clear as password, home as userdb_home, uid as userdb_uid, gid as userdb_gid, concat('*:storage=',quota_kb,' :messages=',quota_num) AS userdb_quota_rule,concat('storage=',round(quota_kb*0.90),' /etc/postfix/quotawarn.sh storage 90') AS userdb_quota_warning, concat('messages=',round(quota_num*0.90) ,' /etc/postfix/quotawarn.sh messages 90') AS userdb_quota_warning2 FROM users WHERE user = 'me' Oct 26 14:00:31 host dovecot: Fatal: auth-worker(default): digest_md5_generate(): username not given Oct 26 14:00:31 host dovecot: child 24174 (auth-worker) returned error 89 (Fatal failure) Oct 26 14:00:31 host dovecot: auth(default): worker-server(me): Aborted: Worker process died unexpectedly Oct 26 14:00:31 host dovecot: auth(default): cache(me): hit: <hidden>^Iuser=me^Iuserdb_home=/var/vmail/me^Iuserdb_uid=95^Iuserdb_gid=95^Iuserdb_quota_rule=*:storage=5000000:messages=50000^I userdb_quota_warning=storage=4500000 /etc/postfix/quotawarn.sh storage 90^Iuserdb_quota_warning2=messages=45000 /etc/postfix/quotawarn.sh messages 90 Oct 26 14:00:31 host dovecot: auth(default): passdb(me): Fallbacking to expired data from cache Oct 26 14:00:31 host dovecot: auth(default): client out: CONT^I1^IcnNwYXV0aD03MmIzMDI3NzI5MmI0N2VlZTRiMTdiZmExODhmODE0Zg== Oct 26 14:00:31 host dovecot: auth(default): client in: CONT<hidden> Oct 26 14:00:31 host dovecot: auth(default): client out: OK^I1^Iuser=me

There were no such errors with exactly the same config in dovecot-1.1.3. I can not reproduce it, but it happens quite often and with different clients - IMAP and POP3, clients with expired auth data in cache and clients wihout auth data in cache.

Here is my dovecot -n output: # 1.1.5: /usr/local/dovecot/etc/dovecot.conf base_dir: /var/run/dovecot/ syslog_facility: local7 protocols: pop3 imap ssl_cert_file: /etc/postfix/host-cert.pem ssl_key_file: /etc/postfix/host-key.pem disable_plaintext_auth: no verbose_ssl: yes login_dir: /var/run/dovecot/login login_executable(default): /usr/local/dovecot/libexec/dovecot/imap-login login_executable(imap): /usr/local/dovecot/libexec/dovecot/imap-login login_executable(pop3): /usr/local/dovecot/libexec/dovecot/pop3-login login_greeting: Server. login_process_per_connection: no login_processes_count: 5 login_max_processes_count: 32 verbose_proctitle: yes first_valid_uid: 95 first_valid_gid: 95 mail_uid: 95 mail_gid: 95 mail_location: maildir:~/Maildir mail_debug: yes fsync_disable: yes mail_executable(default): /usr/local/dovecot/libexec/dovecot/imap mail_executable(imap): /usr/local/dovecot/libexec/dovecot/imap mail_executable(pop3): /usr/local/dovecot/libexec/dovecot/pop3 mail_plugins(default): quota imap_quota mail_plugins(imap): quota imap_quota mail_plugins(pop3): quota mail_plugin_dir(default): /usr/local/dovecot/lib/dovecot/imap mail_plugin_dir(imap): /usr/local/dovecot/lib/dovecot/imap mail_plugin_dir(pop3): /usr/local/dovecot/lib/dovecot/pop3 imap_client_workarounds(default): delay-newmail imap_client_workarounds(imap): delay-newmail imap_client_workarounds(pop3): pop3_enable_last(default): no pop3_enable_last(imap): no pop3_enable_last(pop3): yes pop3_client_workarounds(default): pop3_client_workarounds(imap): pop3_client_workarounds(pop3): outlook-no-nuls oe-ns-eoh namespace: type: private separator: . inbox: yes list: yes subscriptions: yes auth default: mechanisms: plain login digest-md5 cram-md5 apop cache_size: 1024 cache_ttl: 600 cache_negative_ttl: 60 user: doveauth verbose: yes debug: yes passdb: driver: sql args: /usr/local/dovecot/etc/dovecot-sql.conf userdb: driver: prefetch userdb: driver: sql args: /usr/local/dovecot/etc/dovecot-sql.conf socket: type: listen client: path: /var/spool/postfix/private/auth mode: 432 user: postfix group: postfix master: path: /var/run/dovecot/auth-master mode: 384 user: vmail group: vmail plugin: quota: dict:::proxy:/var/run/dovecot/dict-server:quotadict dict: quotadict: mysql:/usr/local/dovecot/etc/dovecot-sql-dict-quota.conf

Regards, Arvids