[Dovecot] now rc25 Re: now rc24 Re: rc22 segv when over quota
Steffen Kaiser
skdovecot at smail.inf.fh-bonn-rhein-sieg.de
Fri Mar 2 10:35:47 EET 2007
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On Thu, 1 Mar 2007, Timo Sirainen wrote:
> On Fri, 2007-02-23 at 09:49 +0100, Steffen Kaiser wrote:
>> o_stream_send_istream(/mnt/mailcache/dvtest/MailDir/.test/tmp/1172218409.P19175Q0M237232.ux-2s11-9)
>> failed: Success
>
> Fixed: http://dovecot.org/list/dovecot-cvs/2007-March/007916.html
>
>> dovecot: Feb 23 09:13:29 Error: child 19175 (imap) killed with signal 11
>
> Fixed: http://dovecot.org/list/dovecot-cvs/2007-March/007919.html
There was one segv immediately after I switched ro rc25, but I forgot to
issue "ulimit" before. Then I moved around lots of mail without problem.
I added some stuff to the config (mainly LDAP & SSL).
Today I saw a segv again (below).
I now copied a bunch of message around, again, but no problem.
=======
dovecot: Mar 02 11:07:08 Error: auth(default): ldap(dvtest,10.20.10.63):
ldap_search((&(objectClass=fhMailAlias)(uid=dvtest))) failed: No such
object
dovecot: Mar 02 11:07:08 Error: auth(default): ldap(dvtest,10.20.10.63):
ldap_search() failed: No such object
dovecot: Mar 02 11:07:08 Error: IMAP(dvtest):
o_stream_send_istream(/home/dvtest/MailDir/.Drafts/tmp/1172830028.P20052Q0M313522.ux-2s11-9)
failed: Disk quota exceeded
dovecot: Mar 02 11:07:08 Error: IMAP(dvtest): Sending log messages too
fast, throttling..
dovecot: Mar 02 11:07:08 Error: auth(default): ldap(dvtest,10.20.10.63):
ldap_search((&(objectClass=fhMailAlias)(uid=dvtest))) failed: No such
object
dovecot: Mar 02 11:07:08 Error: auth(default): ldap(dvtest,10.20.10.63):
ldap_search() failed: No such object
dovecot: Mar 02 11:07:08 Error: child 20052 (imap) killed with signal 11
I wonder: There is another login right before the crash, does this
probably mean that thunderbird tried to open yet another connection,
and the new one abends and not the one with the "Disc quota" error?
I tried to copy a bunch of messages from one account of the server to
another account on the server.
The bad of the crash is that the core file is just 72KB in size and it
does not look correct:
# file core_segv11_overquota
core_segv11_overquota: ELF 32-bit LSB core file Intel 80386, version 1
(SYSV), SVR4-style, from 'imap'
# gdb /usr/local/dovecot.rc25/libexec/dovecot/imap core_segv11_overquota
GNU gdb 6.4.90-debian
Copyright (C) 2006 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 "i486-linux-gnu"...Using host libthread_db
library "/lib/tls/i686/cmov/libthread_db.so.1".
Cannot access memory at address 0xb7f0f4e8
(gdb) bt full
#0 i_stream_read (stream=Cannot access memory at address 0xbf823f90
) at istream.c:54
_stream = <value optimized out>
Cannot access memory at address 0xbf823f8c
# /usr/local/dovecot.rc25/sbin/dovecot -n
# /usr/local/dovecot.rc25/etc/dovecot.conf
log_path: /var/log/dovecot/dovecot.log
info_log_path: /var/log/dovecot/dovecot.info
protocols: imap imaps pop3 pop3s
ssl_ca_file: /etc/ssl/certs/ca.crt
ssl_cert_file(default): /etc/ssl/certs/imap.pem
ssl_cert_file(imap): /etc/ssl/certs/imap.pem
ssl_cert_file(pop3): /etc/ssl/certs/pop3.pem
ssl_key_file(default): /etc/ssl/private/imap.key
ssl_key_file(imap): /etc/ssl/private/imap.key
ssl_key_file(pop3): /etc/ssl/private/pop3.key
disable_plaintext_auth: no
verbose_ssl: yes
login_dir: /usr/local/dovecot.rc25/var/run/dovecot/login
login_executable(default):
/usr/local/dovecot.rc25/libexec/dovecot/imap-login
login_executable(imap): /usr/local/dovecot.rc25/libexec/dovecot/imap-login
login_executable(pop3): /usr/local/dovecot.rc25/libexec/dovecot/pop3-login
login_log_format_elements: %p: user=<%u> method=%m rip=%r lip=%l %c
verbose_proctitle: yes
first_valid_uid: 1000
mail_location:
maildir:%h/MailDir:CONTROL=/var/cache/dovecot/%i/control:INDEX=/var/cache/dovecot/%i/index
mail_debug: yes
dotlock_use_excl: yes
maildir_copy_with_hardlinks: yes
maildir_copy_preserve_filename: yes
mail_drop_priv_before_exec: yes
mail_executable(default): /usr/local/dovecot.rc25/libexec/dovecot/imap
mail_executable(imap): /usr/local/dovecot.rc25/libexec/dovecot/imap
mail_executable(pop3): /usr/local/dovecot.rc25/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.rc25/lib/dovecot/imap
mail_plugin_dir(imap): /usr/local/dovecot.rc25/lib/dovecot/imap
mail_plugin_dir(pop3): /usr/local/dovecot.rc25/lib/dovecot/pop3
pop3_uidl_format(default):
pop3_uidl_format(imap):
pop3_uidl_format(pop3): %u
pop3_client_workarounds(default):
pop3_client_workarounds(imap):
pop3_client_workarounds(pop3): oe-ns-eoh
namespace:
type: private
separator: .
inbox: yes
hidden: yes
auth default:
mechanisms: plain login
cache_size: 10
username_chars:
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890
verbose: yes
debug: yes
debug_passwords: yes
passdb:
driver: ldap
args: /usr/local/dovecot.rc25/etc/dovecot-ldap.conf
passdb:
driver: pam
args: cache_key=%u session=yes dovecot
userdb:
driver: prefetch
userdb:
driver: ldap
args: /usr/local/dovecot.rc25/etc/dovecot-ldap.conf
userdb:
driver: passwd
socket:
type: listen
client:
path: /var/run/dovecot/auth-client
mode: 432
master:
path: /var/run/dovecot/auth-master
mode: 432
group: mail
plugin:
quota: fs
I've built Dovecot with:
$ ./configure --with-ldap --with-sql --with-pgsql
- --prefix=/usr/local/dovecot.rc25
Bye,
- --
Steffen Kaiser
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