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Re: Kernel segfault slapd



I was able to get a core dump of slapd.  It says I'm missing one module (libtool-ltdl) but here is what gets reported.

Core was generated by `/usr/sbin/slapd -h  ldap:/// ldapi:/// -u ldap'.

Program terminated with signal 11, Segmentation fault.

#0  ldap_chain_op (op=<value optimized out>, rs=0x7f318d51ca00, op_f=0x7f319d7521e0 <ldap_back_search>, ref=0x0, depth=0)

    at ../../../../servers/slapd/back-ldap/chain.c:418

418 for ( ; !BER_BVISNULL( ref ); ref++ ) {



It seems all was fine up until about a week ago.  Then my replicas started dropping off 1-3 times a day.


Ideas?


Scot



On Mon, Nov 3, 2014 at 1:09 AM, Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de> wrote:
Enable core dumps and examine what crashes.

>>> Scot Hollingsworth <scoth@rcsd.ms> schrieb am 31.10.2014 um 16:06 in Nachricht
<CACqSKe_1uENKc1csz6t7svaCv5fAdjx=N92thZVof8hzJaviYw@mail.gmail.com>:
> Issue:
>
> slapd keeps crashing about twice a day on multiple servers.  I updated  the
> kernel and openldap but still see the problem.  Anyone point me in the
> right direction?
>
>
> Log:
>
> kernel: slapd[4435]: segfault at 4 ip 00d1984f sp acc3d270 error 4 in
> slapd[bcc000+215000]
>
>
> System:
>
> openldap-2.4.39-8.el6.i686
>
> openldap-clients-2.4.39-8.el6.i686
>
> openldap-servers-2.4.39-8.el6.i686
>
>
> Kernel:
>
> 2.6.32-504.el6.i686
>
>
>
> --
>
> Thanks.
>
>
> Scot H
>
> --
> The mission of the Rankin County School District is to prepare every
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> members of an ever-changing global society.
>
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--


Scot Hollingsworth
Technology Department
Rankin County School District
(601) 825-8626


The mission of the Rankin County School District is to prepare every student with the cognitive and social skills necessary to be productive members of an ever-changing global society.


This email and any attachments to it may be confidential and are intended solely for the use of the individual to whom it is addressed. If you are not the intended recipient of this email, you must neither take any action based upon its contents, nor copy or show it to anyone. Please contact the sender if you believe you have received this email in error.