Re: *** glibc detected *** lmtpd: double free or corruption (out): 0x00002aaaacdeaa10 *** : 2 Time(s) problem

From: Alain Spineux (no email)
Date: Wed Sep 12 2007 - 14:10:29 EDT

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    What I understand is this :

    When postfix try to deliver an email, it open a LMTP connection with cyrus
    and cyrus, instead of speaking correct LMTP reply with garbage.
    BUT 2aaaac388000-2aaaac479000 r-xp 00000000 fd:00 12452057 /lib64/libdb-4.3.so
    is not realy garbage this look like to be the memory areas of a process.
    Try a
    # cat /proc/XXXX/smaps | grep "^[0-9]
    where XXXX is any valid process PID, you will see :-)

    How do you stop/start cyrus ?
    Do you use the usual sysV startup scripts ?
    If so could you shuthdown cyrus, login on the console of the computer,
    (not a ssh or a telnet) and start cyrus using

    # /usr/lib/cyrus-imapd/cyrus-master -d

    and see if the problem append again

    On 9/12/07, Ali Nebi <> wrote:
    > Thanks for the fast answer.
    >
    > > This mean this is an occasional error, not a permanent one ?
    > > What do you do to solve this ?
    >
    > We get these messages last week only, before that we don't get this kind
    > of messages in the logs.
    >
    > About our sent messages the people receive them when mail server is
    > working, the messages are in the queue i suppose.
    >
    > I'm trying to understand what is the problem, i can't do anything at
    > this moment.
    >
    > We get also these messages in the maillog:
    >
    > Sep 12 12:57:49 hermod postfix/lmtp[14429]: warning: non-LMTP response
    > from
    > hermod.iguanait.com[/var/lib/imap/socket/lmtp]:2aaaac385000-2aaaac386000
    > rw-p 00012000 fd:00 12452021 /lib64/libresolv-2.5.so
    > Sep 12 12:57:49 hermod postfix/lmtp[14429]: warning: to prevent loss of
    > mail, turn off command pipelining for /var/lib/imap/socket/lmtp with the
    > lmtp_discard_lhlo_keyword_address_maps parameter
    > Sep 12 12:57:49 hermod postfix/lmtp[14429]: warning: non-LMTP response
    > from
    > hermod.iguanait.com[/var/lib/imap/socket/lmtp]:2aaaac386000-2aaaac388000
    > rw-p 2aaaac386000 00:00 0
    > Sep 12 12:57:49 hermod postfix/lmtp[14429]: warning: to prevent loss of
    > mail, turn off command pipelining for /var/lib/imap/socket/lmtp with the
    > lmtp_discard_lhlo_keyword_address_maps parameter
    > Sep 12 12:57:49 hermod postfix/lmtp[14429]: warning: non-LMTP response
    > fromhermod.iguanait.com[/var/lib/imap/socket/lmtp]:2aaaac388000-2aaaac479000 r-xp 00000000 fd:00 12452057 /lib64/libdb-4.3.so
    > Sep 12 12:57:49 hermod postfix/lmtp[14429]: warning: to prevent loss of
    > mail, turn off command pipelining for /var/lib/imap/socket/lmtp with the
    > lmtp_discard_lhlo_keyword_address_maps parameter
    > Sep 12 12:57:49 hermod postfix/lmtp[14429]: warning: non-LMTP response
    > from hermod.iguanait.com[/var/lib/imap/socket/lmtp]:
    > 2aaaac67d000-2aaaac685000 r-xp 00000000 fd:00
    > 6590877 /usr/lib64/libwrap.so.0.7.6
    >
    > I increased only proccess limits to be 200.
    >
    > There we have running mysql only.
    > Yes, the hardware is ok. We have 4 GB RAM, 8 GB Swap space, the machines
    > are ok. I think that this is not related with bad RAM or something
    > similar, because if there is some bad block memory, then probably we
    > will receive this kind of messages from other applications too.
    >
    > What can i do in this situation?
    >
    >
    > ----
    > Cyrus Home Page: http://cyrusimap.web.cmu.edu/
    > Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
    > List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
    >

    -- 
    Alain Spineux
    aspineux gmail com
    May the sources be with you
    ----
    Cyrus Home Page: http://cyrusimap.web.cmu.edu/
    Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
    List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
    

  • Next message: Vincent Fox: "Cyrus 2.3.8 thanks for help"





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