Package: dovecot-imapd
Version: 1:2.1.7-7
Severity: normal
It seems that every once in a while the imap-login process gets
out of control, eating 100% CPU over multiple hours.
Attaching gdb, I'm getting this:
(gdb) bt
#0 0x00007fffe54a5a56 in gettimeofday ()
#1 0x00007fee6d9f1f8a in gettimeofday () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007fee6dd2fcb5 in io_loop_handle_timeouts () from
/usr/lib/dovecot/libdovecot.so.0
#3 0x00007fee6dd30c7b in io_loop_handler_run () from
/usr/lib/dovecot/libdovecot.so.0
#4 0x00007fee6dd2fa28 in io_loop_run () from /usr/lib/dovecot/libdovecot.so.0
#5 0x00007fee6dd1c483 in master_service_run () from
/usr/lib/dovecot/libdovecot.so.0
#6 0x00007fee6df7e79e in login_binary_run () from
/usr/lib/dovecot/libdovecot-login.so.0
#7 0x00007fee6d973ead in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#8 0x00007fee6e3b0b2d in ?? ()
#9 0x00007fffe54289d8 in ?? ()
#10 0x000000000000001c in ?? ()
#11 0x0000000000000001 in ?? ()
#12 0x00007fffe5429e6b in ?? ()
#13 0x0000000000000000 in ?? ()
Anything I can do to debug this better?
Best,
Nikolaus
-- Package-specific info:
dovecot configuration
---------------------
# 2.1.7: /etc/dovecot/dovecot.conf
# OS: Linux 3.2.0-4-amd64 x86_64 Debian 7.1 ext3
first_valid_uid = 8
last_valid_uid = 8
mail_access_groups = spamd-clients
mail_gid = mail
mail_location = mdbox:/var/spool/mail/%n/mdbox
mail_plugins = fts quota fts_lucene
mail_uid = mail
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
namespace inbox {
inbox = yes
location =
mailbox Drafts {
special_use = \Drafts
}
mailbox Sent {
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Spam {
special_use = \Junk
}
mailbox Trash {
special_use = \Trash
}
prefix =
}
passdb {
args = scheme=SHA512-CRYPT username_format=%n /etc/dovecot/users
driver = passwd-file
}
plugin {
antispam_backend = pipe
antispam_pipe_program = /usr/local/bin/spamc_wrapper
antispam_pipe_program_notspam_args = -L;ham
antispam_pipe_program_spam_args = -L;spam
antispam_spam = Spam
antispam_trash = Trash;Papierkorb
fts = lucene
fts_lucene = whitespace_chars=@.
quota = dict:User quota::file:%h/quota
quota_rule = *:storage=1G
quota_rule2 = Trash:storage=+100M
sieve = ~/.dovecot.sieve
sieve_dir = ~/sieve
}
protocols = " imap lmtp sieve"
service auth {
unix_listener auth-client {
mode = 0600
user = Debian-exim
}
}
service lmtp {
inet_listener lmtp {
address = 127.0.0.1
port = 2003
}
}
service managesieve-login {
inet_listener sieve {
port = 4190
}
process_min_avail = 0
service_count = 1
}
ssl_cert = </etc/dovecot/dovecot.pem
ssl_key = </etc/dovecot/private/dovecot.pem
userdb {
args = username_format=%n /etc/dovecot/users
driver = passwd-file
override_fields = home=/var/spool/mail/%n
}
protocol lmtp {
mail_plugins = fts quota fts_lucene sieve
}
protocol lda {
mail_plugins = fts quota fts_lucene sieve
}
protocol imap {
mail_max_userip_connections = 50
mail_plugins = fts quota fts_lucene imap_quota antispam
}
-- System Information:
Debian Release: 7.1
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 3.2.0-4-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages dovecot-imapd depends on:
ii dovecot-core 1:2.1.7-7
ii libc6 2.13-38
ii ucf 3.0025+nmu3
dovecot-imapd recommends no packages.
dovecot-imapd suggests no packages.
Versions of packages dovecot-imapd is related to:
ii dovecot-core [dovecot-common] 1:2.1.7-7
pn dovecot-dbg <none>
pn dovecot-dev <none>
pn dovecot-gssapi <none>
ii dovecot-imapd 1:2.1.7-7
pn dovecot-ldap <none>
ii dovecot-lmtpd 1:2.1.7-7
ii dovecot-managesieved 1:2.1.7-7
pn dovecot-mysql <none>
pn dovecot-pgsql <none>
pn dovecot-pop3d <none>
ii dovecot-sieve 1:2.1.7-7
pn dovecot-sqlite <none>
-- no debconf information
--
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