> -----Original Message-----
> From: freeipa-users-boun...@redhat.com [mailto:freeipa-users-
> boun...@redhat.com] On Behalf Of Rich Megginson
> Sent: Thursday, December 3, 2015 4:44 PM
> To: freeipa-users@redhat.com
> Subject: Re: [Freeipa-users] RHEL 7.2 update - ns-slapd hanging system
> 
> On 12/03/2015 08:33 AM, Andy Thompson wrote:
> 
> 
> 
> 
> 
>               -----Original Message-----
>               From: freeipa-users-boun...@redhat.com <mailto:freeipa-
> users-boun...@redhat.com>  [mailto:freeipa-users-
>               boun...@redhat.com <mailto:boun...@redhat.com> ] On
> Behalf Of Petr Spacek
>               Sent: Thursday, December 3, 2015 3:04 AM
>               To: freeipa-users@redhat.com <mailto:freeipa-
> us...@redhat.com>
>               Subject: Re: [Freeipa-users] RHEL 7.2 update - ns-slapd
> hanging system
> 
>               On 2.12.2015 22:02, Alexander Bokovoy wrote:
> 
>                       On Wed, 02 Dec 2015, Andy Thompson wrote:
> 
>                               Since updating to RHEL 7.2 I've got issues with
> ns-slapd hanging the
>                               system up after a period of time.  The
> directory becomes unresponsive
>                               to searches or any connections.  After a
> restart I see
> 
>                               [02/Dec/2015:15:27:41 -0500] - slapd started.
> Listening on All
>                               Interfaces port 389 for LDAP requests
>                               [02/Dec/2015:15:27:41 -0500] - Listening on
> All Interfaces port 636
>                               for LDAPS requests
>                               [02/Dec/2015:15:27:41 -0500] - Listening on
>                               /var/run/slapd-MHBENP-LIN.socket for
> LDAPI requests
>                               [02/Dec/2015:15:27:44 -0500]
> NSMMReplicationPlugin -
>                               agmt="cn=meTomdhixnpipa02.mhbenp.lin"
> (mdhixnpipa02:389):
> 
>               Replication
> 
>                               bind with GSSAPI auth resumed
>                               [02/Dec/2015:15:27:47 -0500]
> NSMMReplicationPlugin - replication keep
>                               alive entry <cn=repl keep alive
> 4,dc=mhbenp,dc=lin> already exists
> 
>                               In the logs and occasionally the keepalive
> entry message is seen a
>                               few times and then eventually the ns-slapd
> taps the system.  100%
>                               util, system load crawls up between 30 and 40
> and eventually I have
>                               to restart the service to get it to respond
> again.  Memory usage is
>                               normal, db and entry cache is sufficient..
> possibly a little on the
>                               high side but resource is sitting there asking
> to be used :)
> 
>                               Running 389-ds-base-1.3.4.0-19.el7.x86_64
> after the update yesterday.
> 
>                               What additional information can I provide?
> 
>                       install debuginfo for 389-ds-base and slapi-nis, and
> take a pstack
>                       output for ns-slapd pid.
> 
> 
>               For detailed instructions please see
> 
>       http://directory.fedoraproject.org/docs/389ds/FAQ/faq.html#debug
> _hangs
> 
> 
> 
>       Here is the resulting stacktrace during the last hang.
> 
> 
> The server is idle at this point.  None of the threads are doing any work, or
> are blocked/deadlocked.  It does not appear hung at all.
> 
> When the server is in the "hung" state again, use ldapsearch (e.g. -s base -b
> "") to "ping" the server to see if it is entirely unresponsive.
> 
> 
> 

No ldapsearch does not respond, it just hangs and doesn't ever return.

-andy

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