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[Freeswitch-users] zombie channels

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woodydickson at gmail.com
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Posted: Fri Aug 21, 2009 5:03 am Post subject: [Freeswitch-users] zombie channels

Hi, I am running 1.0.4 right now using latest trunk. After a high traffic session, I do "show channels", I would find a bunch of "CS_HIBERNATE" channels that don't get removed after all the traffic is gone. Does anyone know what is the case of thoes CS_HIBERNATE'd channels? How can I set a timeout for those channels to be removed? Thanks, Woody

fraunhofer.lists.frees...
Guest

Posted: Fri Aug 21, 2009 6:14 am Post subject: [Freeswitch-users] zombie channels

Hi Woody,

2009/8/21 Woody Dickson <woodydickson@gmail.com>:

Quote:

After a high traffic session, I do "show channels", I would find a bunch of
"CS_HIBERNATE" channels that don't get removed after all the traffic is
gone.

Does anyone know what is the case of thoes CS_HIBERNATE'd channels?Â How can
I setÂ a timeout for those channels to be removed?

Is this simiilar to "my" bugreport?

http://jira.freeswitch.org/browse/FSCORE-415

what do you do in your "high traffic"-scenario? We've got tons of
CS_HIBERNATE channels and even the sip stack is somehow affected
(ignoring messages) but it looks like it's the scheduler to blame.
In your example this would mean that the "garbage collection" for
finished sessions is not run.
Can you get rid of the channels using "uuid_kill" or a sweeping swipe
"fsctl hupall"?

Greetinx
Beni.

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mrene_lists at avgs.ca
Guest

Posted: Fri Aug 21, 2009 8:43 am Post subject: [Freeswitch-users] zombie channels

Hi,

CS_REPORTING is the state in which cdrs are written, if the channel
gets stuck in that state, the cdr module you are using is probably
hanging somewhere.

Use the "freeswitch-gcore" script in your source tree's scripts
directory to generate a bug report for hanging channels.

should be like..

cd /usr/src/freeswitch # or whatever your source tree is
bash ./scripts/freeswitch-gcore > bugreport.txt

then submit it on http://jira.freeswitch.org/ so we can look at it.

As you wish, you can also hop on #freeswitch / irc.freenode.net and
have someone look into it.

Mathieu Rene
Avant-Garde Solutions Inc
Office: + 1 (514) 664-1044 x100
Cell: +1 (514) 664-1044 x200
mrene@avgs.ca

On 21-Aug-09, at 5:54 AM, Woody Dickson wrote:

Quote:

Hi,

I am running 1.0.4 right now using latest trunk.

After a high traffic session, I do "show channels", I would find a
bunch of "CS_HIBERNATE" channels that don't get removed after all
the traffic is gone.

Does anyone know what is the case of thoes CS_HIBERNATE'd channels?
How can I set a timeout for those channels to be removed?

Thanks,
Woody
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woodydickson at gmail.com
Guest

Posted: Fri Aug 21, 2009 11:37 am Post subject: [Freeswitch-users] zombie channels

Hello,

Yes, I am using cdr, so I guess CS_REPORTING could be a problem.

I tried running the core, but I am getting some errors:
./freeswitch-gcore
/usr/local/freeswitch/log/freeswitch.gcore.fm5478:1: Error in sourced command file:
ptrace: No such process.
gcore: failed to create /usr/local/freeswitch/log/freeswitch.gcore.16240

What is the proper way of using freeswitch-gcore?

Thanks,
Woody

On Fri, Aug 21, 2009 at 9:31 PM, Mathieu Rene <mrene_lists@avgs.ca (mrene_lists@avgs.ca)> wrote:

Quote:

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fraunhofer.lists.frees...
Guest

Posted: Fri Aug 21, 2009 12:09 pm Post subject: [Freeswitch-users] zombie channels

Hello,

Quote:

I tried running the core, but I am getting some errors:
Â ./freeswitch-gcore
/usr/local/freeswitch/log/freeswitch.gcore.fm5478:1: Error in sourced
command file:
ptrace: No such process.
gcore: failed to create /usr/local/freeswitch/log/freeswitch.gcore.16240

What is the proper way of using freeswitch-gcore?

I had the same problem... look at the source, it expects the pid file to be in
/usr/local/freeswitch/log/freeswitch.pid
and freeswitch to be installed at
/usr/local/freeswitch/bin/freeswitch

you can do that manualle, tough.

get the pid of freeswitch (something like "ps waux | grep freeswitch")
then run
gcore -o freeswitch_coredump1.core [pid found above]
gdb [location of freeswitch binary] -c freeswitch_coredump1.core \
--eval-command='set pagination off' \
--eval-command='bt' \
--eval-command='bt full' \
--eval-command='thread apply all bt' \
--eval-command='thread apply all bt full' \
--eval-command='quit' \

Quote:

freeswitch_report.txt

Beni.

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woodydickson at gmail.com
Guest

Posted: Sat Aug 22, 2009 3:13 am Post subject: [Freeswitch-users] zombie channels

Hi

I checked and there is no looping in cdr.

Also, only a very small percentage of the channels become zombie.

What could cause fs to not releasing the channels?

Also, it seems to happen on under high traffic. Could the fact that FS does not receive BYE or BYE timing out on the uac side may cause this problem?

Thanks,
woody

On Fri, Aug 21, 2009 at 9:31 PM, Mathieu Rene <mrene_lists@avgs.ca (mrene_lists@avgs.ca)> wrote:

Quote:

anthony.minessale at g...
Guest

Posted: Sat Aug 22, 2009 1:17 pm Post subject: [Freeswitch-users] zombie channels

Yes try enabling session timers

Quote:

On Aug 22, 2009 3:10 AM, "Woody Dickson" <woodydickson@gmail.com (woodydickson@gmail.com)> wrote:

Hi

I checked and there is no looping in cdr.

Also, only a very small percentage of the channels become zombie.

What could cause fs to not releasing the channels?

Also, it seems to happen on under high traffic. Could the fact that FS does not receive BYE or BYE timing out on the uac side may cause this problem?

Thanks,
woody

On Fri, Aug 21, 2009 at 9:31 PM, Mathieu Rene <mrene_lists@avgs.ca (mrene_lists@avgs.ca)> wrote:

Quote:

Hi, > > CS_REPORTING is the state in which cdrs are written, if the channel > gets stuck in that...

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