[Dovecot] Panic: file acl-cache.c

Helga.Mayer at uni-hohenheim.de Helga.Mayer at uni-hohenheim.de
Tue Dec 10 11:09:46 EET 2013


Hello,

our dovecot mailservice was running smoothly for a long time.
Since last week we get the following error message when connecting  
from the horde/imp webmailer
to the public namespace:


Panic: file acl-cache.c: line 294 (acl_cache_update): assertion  
failed: (obj_cache->my_current_rights != &negative_cache_entry)

Dovecot and horde/imp are running on seperate hosts.
There are no known recent configuration changes, neither on the  
webmailer nor on the dovecot host.

Helga

dovecot -n
# 1.2.17: /etc/dovecot.conf
# OS: Linux 2.6.18-238.9.1.el5 x86_64 Scientific Linux SL release 5.5 (Boron)
listen(default): 192.168.0.104:143  127.0.0.1:143 144.41.4.87:143
listen(imap): 192.168.0.104:143  127.0.0.1:143 144.41.4.87:143
listen(pop3): *:110
ssl_listen(default): 144.41.4.28:993
ssl_listen(imap): 144.41.4.28:993
ssl_listen(pop3): 144.41.4.28:995
ssl_cert_file: /etc/ssl/certs/imapd.pem
ssl_key_file: /etc/ssl/certs/imapd.pem
disable_plaintext_auth(default): no
disable_plaintext_auth(imap): no
disable_plaintext_auth(pop3): yes
login_dir: /var/run/dovecot/login
login_executable(default): /usr/libexec/dovecot/imap-login
login_executable(imap): /usr/libexec/dovecot/imap-login
login_executable(pop3): /usr/libexec/dovecot/pop3-login
login_max_processes_count: 2048
max_mail_processes: 2048
first_valid_uid: 200
mail_drop_priv_before_exec(default): yes
mail_drop_priv_before_exec(imap): yes
mail_drop_priv_before_exec(pop3): no
mail_executable(default): /afs/hoh/common/etc/mail/bin/acl-groups
mail_executable(imap): /afs/hoh/common/etc/mail/bin/acl-groups
mail_executable(pop3): /usr/libexec/dovecot/pop3
mail_process_size: 1024
mail_plugins(default): acl imap_acl lazy_expunge metadata  
imap_annotatemore mail_log
mail_plugins(imap): acl imap_acl lazy_expunge metadata  
imap_annotatemore mail_log
mail_plugins(pop3): lazy_expunge mail_log
mail_plugin_dir(default): /usr/lib64/dovecot/imap
mail_plugin_dir(imap): /usr/lib64/dovecot/imap
mail_plugin_dir(pop3): /usr/lib64/dovecot/pop3
mail_log_max_lines_per_sec: 0
imap_client_workarounds(default): tb-extra-mailbox-sep
imap_client_workarounds(imap): tb-extra-mailbox-sep
imap_client_workarounds(pop3):
namespace:
   type: private
   separator: /
   location: maildir:/maildir/%1n/%u:LAYOUT=fs
   inbox: yes
   list: yes
   subscriptions: yes
namespace:
   type: private
   separator: /
   prefix: .EXPUNGED/
   location: maildir:/maildir/expunged/%1n/%u:LAYOUT=fs
   hidden: yes
   list: no
   subscriptions: yes
namespace:
   type: shared
   separator: /
   prefix: Shared/%%u/
   location: maildir:/maildir/%%1n/%%u:LAYOUT=fs
   list: children
namespace:
   type: public
   separator: /
   prefix: Groups/
   location: maildir:/maildir/public:LAYOUT=fs
   list: children
namespace:
   type: public
   separator: /
   prefix: .G-EXPUNGED/
   location: maildir:/maildir/expunged/public:LAYOUT=fs
   hidden: yes
   list: no
   subscriptions: yes
lda:
   postmaster_address: postmaster at uni-hohenheim.de
   mail_plugins: acl
auth default:
   mechanisms: plain login
   verbose: yes
   debug: yes
   passdb:
     driver: pam
   userdb:
     driver: passwd
   socket:
     type: listen
     client:
       path: /var/spool/postfix/private/auth
       mode: 432
       user: postfix
       group: postfix
     master:
       path: /var/spool/postfix/private/auth-master
       mode: 384
       user: postfix
       group: postfix
plugin:
   mail_log_events: delete undelete expunge copy mailbox_delete mailbox_rename
   mail_log_group_events:
   mail_log_fields: uid box msgid size
   acl: vfile
   acl_shared_dict: proxy::acl_dict
   lazy_expunge: .EXPUNGED/
   metadata_dict: proxy:/var/run/dovecot/dict-server:metadata
dict:
   acl_dict: mysql:/etc/dovecot-dict-sql.conf
   metadata: sqlite:/etc/metadata-dict.conf

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