[asterisk-bugs] [Asterisk 0014309]: SIP/realtime problems => 100 % CPU

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
====================================================================== 
http://bugs.digium.com/view.php?id=14309 
====================================================================== 
Reported By:                pkempgen
Assigned To:                Corydon76
====================================================================== 
Project:                    Asterisk
Issue ID:                   14309
Category:                   Channels/chan_sip/General
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     ready for testing
Asterisk Version:           1.4.22 
Regression:                 Yes 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
====================================================================== 
Date Submitted:             2009-01-22 07:50 CST
Last Modified:              2009-02-14 08:40 CST
====================================================================== 
Summary:                    SIP/realtime problems => 100 % CPU
Description: 
As reported on
http://lists.digium.com/pipermail/asterisk-users/2009-January/225274.html
:

> Carlos Chavez schrieb:
>> 	Since 1.4.22 realtime status for sip peers seems to be broken.  If I
do
>> a "sip show peers" from the CLI I get this:
>> 
>> 2001/2001                  192.168.2.234    D          5060    
UNKNOWN
>> Cached RT
>> 
>> 	It is arbitrary which peers will say OK and which will say UNKNOWN
and
>> it changes over time.
> 
>> This used to work fine until 1.4.21
>> so why did it break and why wasn't it fixed on 1.4.23?  This only
>> happens when using realtime peers, static peers will always show the
>> proper status. 
> 
> It might be related to this issue (thread in German)
>
http://www.mail-archive.com/gemeinschaft-users@lists.amooma.de/msg00083.html
>
http://www.mail-archive.com/gemeinschaft-users@lists.amooma.de/msg00152.html
>
http://www.mail-archive.com/gemeinschaft-users@lists.amooma.de/msg00153.html
> etc.
> 
> Several people, including me, have confirmed that since Asterisk
> 1.4.22 you get hundreds (probably depends on the number of SIP
> peers/users) of SQL queries per second and the CLI is being flooded
> with
> ---cut---
> [Oct  8 12:22:56] NOTICE[2487]: chan_sip.c:16223 sip_poke_noanswer:
Peer
> '8280' is now UNREACHABLE!  Last qualify: 0
> ---cut---
> leading to 100 % CPU usage.
> 
> 1.4.21.2 didn't have the problem.

======================================================================
Relationships       ID      Summary
----------------------------------------------------------------------
related to          0004362 [patch] new config option 'rtautoreg'
====================================================================== 

---------------------------------------------------------------------- 
 (0100159) pkempgen (reporter) - 2009-02-14 08:40
 http://bugs.digium.com/view.php?id=14309#c100159 
---------------------------------------------------------------------- 
"suspicious" commits between 1.4.21.2 (2008 Jul 23) and
1.4.22 (2008 Oct 02) include:

r133488
http://svn.digium.com/view/asterisk/branches/1.4/channels/chan_sip.c?r1=132790&r2=133488
"Fix rtautoclear and rtcachefriends (Closes issue
http://bugs.digium.com/view.php?id=12707)"

r138258
http://svn.digium.com/view/asterisk/branches/1.4/channels/chan_sip.c?r1=133572&r2=138258
"More fixes for realtime peers. (closes issue
http://bugs.digium.com/view.php?id=12921)" 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2009-02-14 08:40 pkempgen       Note Added: 0100159                          
======================================================================