[Dovecot] Command died with signal 11: "/usr/libexec/dovecot/dovecot-lda"

[Timo Sirainen]

Have you seen such a permission problem cause a crash? If something crashes rather than logging "Permission denied", I'm definitely interested in fixing it.

Anyway, since this happens only sometimes, not always, it can't really be a permission problem.

On 4.10.2010, at 20.18, fakessh wrote:

> this is probably a problem of permission
> 
> service auth {
>  unix_listener /var/spool/postfix/private/auth {
>    group = postfix
>    mode = 0666
>    user = postfix
>  }
>  unix_listener auth-master {
>    mode = 0666
>  }
>  vsz_limit = 256
> }
> 
> 
> Le lundi 04 octobre 2010 à 21:13 +0200, spamvoll at googlemail.com a
> écrit :
>> im not sure if i enabled core dumps
>> 
>> im using Centos 5.5
>> i echoed "'DAEMON_COREFILE_LIMIT="unlimited"' >> /etc/sysconfig/dovecot"
>> and restarted dovecot
>> no core files
>> 
>> but i dont have any killed messages in my logs anyway
>> like: dovecot: Apr 23 11:16:05 Error: child 86116 (imap) killed with signal 11
>> only " (Command died with signal 11: "/usr/libexec/dovecot/dovecot-lda")"
>> 
>> 
>> 2010/10/4  <spamvoll at googlemail.com>:
>>> hard to reproduce.. happens only with some mail.
>>> 
>>> with mail_debug = yes i cant see any errors, but the mail get
>>> delivered 2 times ?
>>> 
>>> Oct  4 20:17:39 imap dovecot: lda(woelky at example.com): sieve:
>>> msgid=<374f9ab6-5153-47b3-bbfc-cde0705c55d1 at email.android.com>: stored
>>> mail into mailbox 'INBOX'
>>> Oct  4 20:17:39 imap postfix/pipe[14085]: 411E6F5572:
>>> to=<woelky at example.com>, relay=dovecot, delay=1,
>>> delays=0.53/0.03/0/0.44, dsn=2.0.0, status=sent (delivered via dovecot
>>> service)
>>> Oct  4 20:17:40 imap postfix/pipe[14082]: 411E6F5572:
>>> to=<malte.woelky at example.com>, relay=dovecot, delay=1.1,
>>> delays=0.53/0.02/0/0.53, dsn=5.3.0, status=bounced (Command died with
>>> signal 11: "/usr/libexec/dovecot/dovecot-lda")
>>> 
>>> 2010/10/4 Timo Sirainen <tss at iki.fi>:
>>>> On Mon, 2010-10-04 at 14:36 +0200, spamvoll at googlemail.com wrote:
>>>> 
>>>>> "Undelivered Mail Returned to Sender" ->
>>>>> Command died with signal 11: "/usr/libexec/dovecot/dovecot-lda"
>>>> 
>>>> Difficult to do anything about this without a gdb backtrace. Can you
>>>> reproduce it by manually running dovecot-lda? If not, getting a core
>>>> dump would be the next best way to get a backtrace.
>>>> http://dovecot.org/bugreport.html
>>>> 
>>>> 
>>>> 
>>> 
> -- 
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x092164A7
> 
> 
> gpg --keyserver pgp.mit.edu --recv-key 092164A7