[OpenSIPS-Users] OpenSIPS defunct processes
David Cunningham
dcunningham at voisonics.com
Wed Apr 28 16:32:35 CEST 2010
Hello,
Thank you for the reply. I checked the parent of the zombie processes,
and they seem to be "SIP receiver" processes as per the following "ps
-ef" extract and "opensipsctl fifo ps" information.
We're not running the "respawn" patch.
Any more advice very welcome, thanks again!
user 5830 1 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5832 5830 0 06:38 ? 00:00:16 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5833 5830 0 06:38 ? 00:00:16 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5834 5830 0 06:38 ? 00:00:16 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5835 5830 0 06:38 ? 00:00:16 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5836 5830 0 06:38 ? 00:00:16 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5837 5830 0 06:38 ? 00:00:16 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5838 5830 0 06:38 ? 00:00:16 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5839 5830 0 06:38 ? 00:00:16 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5840 5830 0 06:38 ? 00:00:01 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5841 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5842 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5843 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5844 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5845 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5846 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5847 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5848 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5849 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5850 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 5851 5830 0 06:38 ? 00:00:00 /sbin/opensips -m 256 -P
/var/run/user/opensips.pid
user 7260 5833 0 08:30 ? 00:00:00 [opensips] <defunct>
user 7261 5833 0 08:30 ? 00:00:00 [opensips] <defunct>
user 7262 5833 0 08:30 ? 00:00:00 [opensips] <defunct>
user 7263 5833 0 08:30 ? 00:00:00 [opensips] <defunct>
user 7264 5833 0 08:30 ? 00:00:00 [opensips] <defunct>
user 7265 5833 0 08:30 ? 00:00:00 [opensips] <defunct>
user 9770 5835 0 08:37 ? 00:00:00 [opensips] <defunct>
user 9771 5835 0 08:37 ? 00:00:00 [opensips] <defunct>
user 9772 5835 0 08:37 ? 00:00:00 [opensips] <defunct>
user 9838 5834 0 08:38 ? 00:00:00 [opensips] <defunct>
user 9839 5834 0 08:38 ? 00:00:00 [opensips] <defunct>
user 15519 5833 0 08:57 ? 00:00:00 [opensips] <defunct>
user 15520 5833 0 08:57 ? 00:00:00 [opensips] <defunct>
user 15521 5833 0 08:57 ? 00:00:00 [opensips] <defunct>
user 15522 5833 0 08:57 ? 00:00:00 [opensips] <defunct>
[root at hostname ~]# opensipsctl fifo ps
Process:: ID=0 PID=5830 Type=attendant
Process:: ID=1 PID=5832 Type=SIP receiver udp:xxx.xxx.xxx.xxx:5060
Process:: ID=2 PID=5833 Type=SIP receiver udp:xxx.xxx.xxx.xxx:5060
Process:: ID=3 PID=5834 Type=SIP receiver udp:xxx.xxx.xxx.xxx:5060
Process:: ID=4 PID=5835 Type=SIP receiver udp:xxx.xxx.xxx.xxx:5060
Process:: ID=5 PID=5836 Type=SIP receiver udp:xxx.xxx.xxx.xxx:5060
Process:: ID=6 PID=5837 Type=SIP receiver udp:xxx.xxx.xxx.xxx:5060
Process:: ID=7 PID=5838 Type=SIP receiver udp:xxx.xxx.xxx.xxx:5060
Process:: ID=8 PID=5839 Type=SIP receiver udp:xxx.xxx.xxx.xxx:5060
Process:: ID=9 PID=5840 Type=timer
Process:: ID=10 PID=5841 Type=timer
Process:: ID=11 PID=5842 Type=MI FIFO
Process:: ID=12 PID=5843 Type=TCP receiver
Process:: ID=13 PID=5844 Type=TCP receiver
Process:: ID=14 PID=5845 Type=TCP receiver
Process:: ID=15 PID=5846 Type=TCP receiver
Process:: ID=16 PID=5847 Type=TCP receiver
Process:: ID=17 PID=5848 Type=TCP receiver
Process:: ID=18 PID=5849 Type=TCP receiver
Process:: ID=19 PID=5850 Type=TCP receiver
Process:: ID=20 PID=5851 Type=TCP main
On Mon, Apr 26, 2010 at 12:22 PM, Bogdan-Andrei Iancu
<bogdan at voice-system.ro> wrote:
> Hi David,
>
> Let's try and see what's the parent process of the zombie procs -> check
> with ps and correlate (for the name) with "opensipsctl fifo ps"
>
> I guess the parent of the zombies should be the "attendant proc" . BTW,
> are you running with the "respawn" patch ?
>
> Regards,
> Bogdan
>
> David Cunningham wrote:
>> Hello,
>>
>> Thanks again for your assistance!
>>
>> We're not using the mi_xmlrpc module.
>>
>> Were you suggesting using gdb on the zombi process? I tried and got
>> the following:
>>
>> user 31183 12140 0 10:31 ? 00:00:00 [opensips] <defunct>
>> [root at sip01 ~]# gdb /sbin/opensips 31183
>> GNU gdb Fedora (6.8-37.el5)
>> Copyright (C) 2008 Free Software Foundation, Inc.
>> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>> This is free software: you are free to change and redistribute it.
>> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
>> and "show warranty" for details.
>> This GDB was configured as "x86_64-redhat-linux-gnu"...
>> Attaching to program: /sbin/opensips, process 31183
>> ptrace: Operation not permitted.
>> /root/31183: No such file or directory.
>>
>> We havn't tested 1.6 in production but might be willing to go that
>> road if you're confident it will solve our problems.
>>
>> Much appreciate your help.
>>
>>
>> On Thu, Apr 22, 2010 at 6:07 PM, Bogdan-Andrei Iancu
>> <bogdan at voice-system.ro> wrote:
>>
>>> Hi David,
>>>
>>> David Cunningham wrote:
>>>
>>>> Hello,
>>>>
>>>> Thank you for the reply!
>>>>
>>>> The log doesn't say anything useful, just "Listening on" and then the
>>>> UDP and TCP IP address and port, and "Aliases" also with UDP and TCP
>>>> addresses and ports. I did set "debug = 9" in
>>>> /etc/opensips/opensips.cfg but this caused all phones registered with
>>>> OpenSIPS to give "NO SERVICE" and we disabled debugging immediately.
>>>> It's a busy system.
>>>>
>>>>
>>> do not do that again - full debug slows down your system !
>>>
>>>> The defunct processes don't just happen when shutting OpenSIPS down
>>>> either - they are building up while OpenSIPS is running, at a rate of
>>>> about one every few minutes.
>>>>
>>>>
>>> by chance, are you using mi_xmlrpc module ?
>>>
>>>> I'm not sure how to get the information I need with gdb. I attached to
>>>> the attendant process (7811) and ran 'bt' which gave the following:
>>>>
>>>> (gdb) bt
>>>> #0 0x00000030e9298570 in __pause_nocancel () from /lib64/libc.so.6
>>>> #1 0x0000000000426f1a in main (argc=5, argv=0x7fff771e8c08) at main.c:867
>>>>
>>>>
>>> That indicates the attendant processes - is this one in zombi state too ?
>>> important is to check the zombi procs.
>>>
>>>> Can anyone point me where to go from here - maybe advice on what gdb
>>>> commands would help?
>>>>
>>>> I should have mentioned that this is on version 1.4.5-notls. We
>>>> originally saw it on 1.4.3-notls and upgraded to try and fix it.
>>>>
>>>>
>>> I would strongly recommend to update to 1.6.
>>>
>>> Regards,
>>> Bogdan
>>>
>>>> Thanks in advance!
>>>>
>>>>
>>>> On Wed, Apr 21, 2010 at 8:55 AM, Bogdan-Andrei Iancu
>>>> <bogdan at voice-system.ro> wrote:
>>>>
>>>>
>>>>> Hi David,
>>>>>
>>>>> the defunct procs seams to be the children of a still running opensips
>>>>> proc - this may be the attendant process which, for whatever reasons is
>>>>> not stopping (after killing the children procs).
>>>>>
>>>>> Checks what this process is doing (see top, try attaching with gdb).
>>>>>
>>>>> Also, does the log say something? errors? shutdown triggered?
>>>>>
>>>>> Regards,
>>>>> Bogdan
>>>>>
>>>>> David Cunningham wrote:
>>>>>
>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> We have a server which is creating a lot of defunct OpenSIPS
>>>>>> processes. An example process tree is below (from ps -ef --forest).
>>>>>>
>>>>>> I have no idea where to start looking for the cause of this. Any
>>>>>> suggestions very welcome!
>>>>>>
>>>>>>
--
David Cunningham, Voisonics
http://voisonics.com/
US toll-free: +1 888 842 2720
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