[Freeswitch-users] Leg stuck in a conference

Oleg Stolyar olegstolyar at gmail.com
Tue Sep 23 23:03:36 MSD 2014 

Yes, exactly

On Tue, Sep 23, 2014 at 11:37 AM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> Doing more kick commands results in more break messages but it never works
> even with subsequent calls to kick?
>
>
>
> On Tue, Sep 23, 2014 at 1:23 PM, Oleg Stolyar <olegstolyar at gmail.com>
> wrote:
>
>> Version is: FreeSWITCH Version
>> 1.5.13b+git~20140529T194631Z~0d7b1ff42a~64bit (git 0d7b1ff 2014-05-29
>> 19:46:31Z 64bit)
>>
>> Since I cannot reproduce this at will, I would need to upgrade my
>> production to the latest master to try to reproduce it there.
>>
>> The client is WebRTC with JsSip on Chrome 34.
>>
>> I do not enable proxy_media and in fact there is no reference to
>> proxy_media anywhere in my config.
>> Similarly, I did not change anything related to timers but if you;d like
>> me to check a specific setting, I'll be happy to.
>>
>> I still have that FS instance running, so if there is anything else I can
>> do to help track this down, please let me know.
>>
>>
>> On Tue, Sep 23, 2014 at 11:06 AM, Anthony Minessale <
>> anthony.minessale at gmail.com> wrote:
>>
>>> It looks like its in recvfrom.  What version of FS is this and what type
>>> of call client etc is this?
>>> Do you have proxy_media on or timers disabled?
>>>
>>> It doesn't seem like this should be a likely scenario based on the
>>> description and the code I'm looking at.  Have you tried to reproduce it
>>> with master?
>>> The break signal should cause the read to come up to the conference app
>>> where it will detect that its done.
>>>
>>>
>>>
>>> On Tue, Sep 23, 2014 at 12:49 PM, Oleg Stolyar <olegstolyar at gmail.com>
>>> wrote:
>>>
>>>> I'll do you one better :-)
>>>>
>>>> Here is the complete output file of "thread apply all bt"
>>>>
>>>> https://www.dropbox.com/s/gslm6l13jrxkr6s/gdb.txt
>>>>
>>>>
>>>> On Tue, Sep 23, 2014 at 10:40 AM, Anthony Minessale <
>>>> anthony.minessale at gmail.com> wrote:
>>>>
>>>>> Are there conference_loop_input threads to go with those?
>>>>> search for other threads with one of the sessions in it e.g.
>>>>> 0x7f3f503a8b48
>>>>>
>>>>> On Tue, Sep 23, 2014 at 12:33 PM, Oleg Stolyar <olegstolyar at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Thanks Anthony!
>>>>>> I got two such stuck legs right now.  Here are their threads.
>>>>>>
>>>>>> Thread 45 (Thread 0x7f3f574fb940 (LWP 25467)):
>>>>>> #0  0x0000003d8d207c65 in pthread_join () from /lib64/libpthread.so.0
>>>>>> #1  0x00007f3f712b9db9 in apr_thread_join () from
>>>>>> /usr/local/freeswitch/lib/libfreeswitch.so.1
>>>>>> #2  0x00007f3f71186d2c in switch_thread_join (retval=0x7f3f574fa0fc,
>>>>>> thd=0x7f3f683f8cb8) at src/switch_apr.c:1171
>>>>>> #3  0x00007f3f667b233c in conference_loop_output
>>>>>> (member=0x7f3f574fa540) at mod_conference.c:4481
>>>>>> #4  0x00007f3f667c1a4c in conference_function
>>>>>> (session=0x7f3f503a8b48, data=0x7f3f681cbd10
>>>>>> "5d7b86e0-3ea5-11e4-b722-1231393fb01c at default+flags{join-only}") at
>>>>>> mod_conference.c:8695
>>>>>> #5  0x00007f3f711c23e7 in switch_core_session_exec
>>>>>> (session=0x7f3f503a8b48, application_interface=0x7f3f600e1920,
>>>>>> arg=0x7f3f681cbd10 "5d7b86e0-3ea5-11e4-b722-1231393fb01c at default
>>>>>> +flags{join-only}")
>>>>>>     at src/switch_core_session.c:2862
>>>>>> #6  0x00007f3f711c1c85 in
>>>>>> switch_core_session_execute_application_get_flags (session=0x7f3f503a8b48,
>>>>>> app=0x7f3f681cbd00 "conference",
>>>>>>     arg=0x7f3f681cbd10 "5d7b86e0-3ea5-11e4-b722-1231393fb01c at default+flags{join-only}",
>>>>>> flags=0x0) at src/switch_core_session.c:2737
>>>>>> #7  0x00007f3f711c3c3c in switch_core_standard_on_execute
>>>>>> (session=0x7f3f503a8b48) at src/switch_core_state_machine.c:281
>>>>>> #8  0x00007f3f711c4de0 in switch_core_session_run
>>>>>> (session=0x7f3f503a8b48) at src/switch_core_state_machine.c:530
>>>>>> #9  0x00007f3f711be45c in switch_core_session_thread
>>>>>> (thread=0x7f3f50b9f990, obj=0x7f3f503a8b48) at
>>>>>> src/switch_core_session.c:1597
>>>>>> #10 0x00007f3f711be913 in switch_core_session_thread_pool_worker
>>>>>> (thread=0x7f3f50b9f990, obj=0x7f3f50b9f820) at
>>>>>> src/switch_core_session.c:1689
>>>>>> #11 0x00007f3f712b9b7d in dummy_worker () from
>>>>>> /usr/local/freeswitch/lib/libfreeswitch.so.1
>>>>>> #12 0x0000003d8d20683d in start_thread () from /lib64/libpthread.so.0
>>>>>> #13 0x0000003d8cad4f8d in clone () from /lib64/libc.so.6
>>>>>>
>>>>>>
>>>>>> Thread 60 (Thread 0x7f3f575af940 (LWP 28590)):
>>>>>> #0  0x0000003d8d207c65 in pthread_join () from /lib64/libpthread.so.0
>>>>>> #1  0x00007f3f712b9db9 in apr_thread_join () from
>>>>>> /usr/local/freeswitch/lib/libfreeswitch.so.1
>>>>>> #2  0x00007f3f71186d2c in switch_thread_join (retval=0x7f3f575ae0fc,
>>>>>> thd=0x215a358) at src/switch_apr.c:1171
>>>>>> #3  0x00007f3f667b233c in conference_loop_output
>>>>>> (member=0x7f3f575ae540) at mod_conference.c:4481
>>>>>> #4  0x00007f3f667c1a4c in conference_function
>>>>>> (session=0x7f3f50087998, data=0x2152a38
>>>>>> "2e42aba0-430b-11e4-bc8b-22000a1cca7e at default+flags{join-only}") at
>>>>>> mod_conference.c:8695
>>>>>> #5  0x00007f3f711c23e7 in switch_core_session_exec
>>>>>> (session=0x7f3f50087998, application_interface=0x7f3f600e1920,
>>>>>> arg=0x2152a38 "2e42aba0-430b-11e4-bc8b-22000a1cca7e at default
>>>>>> +flags{join-only}")
>>>>>>     at src/switch_core_session.c:2862
>>>>>> #6  0x00007f3f711c1c85 in
>>>>>> switch_core_session_execute_application_get_flags (session=0x7f3f50087998,
>>>>>> app=0x2152a28 "conference", arg=0x2152a38
>>>>>> "2e42aba0-430b-11e4-bc8b-22000a1cca7e at default+flags{join-only}",
>>>>>>     flags=0x0) at src/switch_core_session.c:2737
>>>>>> #7  0x00007f3f711c3c3c in switch_core_standard_on_execute
>>>>>> (session=0x7f3f50087998) at src/switch_core_state_machine.c:281
>>>>>> #8  0x00007f3f711c4de0 in switch_core_session_run
>>>>>> (session=0x7f3f50087998) at src/switch_core_state_machine.c:530
>>>>>> #9  0x00007f3f711be45c in switch_core_session_thread
>>>>>> (thread=0x214d4b0, obj=0x7f3f50087998) at src/switch_core_session.c:1597
>>>>>> #10 0x00007f3f711be913 in switch_core_session_thread_pool_worker
>>>>>> (thread=0x214d4b0, obj=0x214d340) at src/switch_core_session.c:1689
>>>>>> #11 0x00007f3f712b9b7d in dummy_worker () from
>>>>>> /usr/local/freeswitch/lib/libfreeswitch.so.1
>>>>>> #12 0x0000003d8d20683d in start_thread () from /lib64/libpthread.so.0
>>>>>> #13 0x0000003d8cad4f8d in clone () from /lib64/libc.so.6
>>>>>>
>>>>>> On Tue, Sep 23, 2014 at 9:16 AM, Anthony Minessale <
>>>>>> anthony.minessale at gmail.com> wrote:
>>>>>>
>>>>>>> It may be trapped inside some blocking call from within the
>>>>>>> conference.
>>>>>>> Your best bet would be to catch it in that state, do the kick, when
>>>>>>> it doesn't work gcore the process and open it in gdb and get "thread apply
>>>>>>> all bt" then you can see the stack trace for that session and see which
>>>>>>> code its blocking on.
>>>>>>>
>>>>>>> The BREAK signal you show there is designed to pull it out of most
>>>>>>> blocking situations so it must be something particular.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Sep 23, 2014 at 10:53 AM, Oleg Stolyar <
>>>>>>> olegstolyar at gmail.com> wrote:
>>>>>>>
>>>>>>>> Guys,
>>>>>>>>
>>>>>>>> I wonder if anyone else ran into this situation:  Very rarely I
>>>>>>>> have a conference participant stuck in a conference.  When I try to run
>>>>>>>> kick command on that conference, it returns "OK kicked <member ID>" but
>>>>>>>> nothing happens.  In the logs there is only this:
>>>>>>>>
>>>>>>>> db1790fe-fa75-42a6-9054-75c600b9539c 2014-09-23 15:43:07.066947 [DEBUG] mod_conference.c:5619 Send signal sofia/<profile>/anonymous at anonymous.invalid [BREAK]
>>>>>>>>
>>>>>>>>
>>>>>>>> As an additional piece of information if I use uuid_kill on the leg, it does disconnect the leg and ends the conference.
>>>>>>>>
>>>>>>>> Any suggestions?
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _________________________________________________________________________
>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>> consulting at freeswitch.org
>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>
>>>>>>>> Official FreeSWITCH Sites
>>>>>>>> http://www.freeswitch.org
>>>>>>>> http://confluence.freeswitch.org
>>>>>>>> http://www.cluecon.com
>>>>>>>>
>>>>>>>> 
>>>>>>>> 
>>>>>>>>
>>>>>>>> FreeSWITCH-users mailing list
>>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>>> UNSUBSCRIBE:
>>>>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>>>>> http://www.freeswitch.org
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>>>>>>
>>>>>>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>>>>>>> http://twitter.com/FreeSWITCH
>>>>>>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>>>>>>> <http://freeswitch.org/g+>*
>>>>>>>
>>>>>>> ClueCon Weekly Development Call
>>>>>>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> _________________________________________________________________________
>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>> consulting at freeswitch.org
>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>
>>>>>>> Official FreeSWITCH Sites
>>>>>>> http://www.freeswitch.org
>>>>>>> http://confluence.freeswitch.org
>>>>>>> http://www.cluecon.com
>>>>>>>
>>>>>>> 
>>>>>>> 
>>>>>>>
>>>>>>> FreeSWITCH-users mailing list
>>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>>> UNSUBSCRIBE:
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>>>>>>> http://www.freeswitch.org
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>> consulting at freeswitch.org
>>>>>> http://www.freeswitchsolutions.com
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> http://www.freeswitch.org
>>>>>> http://confluence.freeswitch.org
>>>>>> http://www.cluecon.com
>>>>>>
>>>>>> 
>>>>>> 
>>>>>>
>>>>>> FreeSWITCH-users mailing list
>>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>>> UNSUBSCRIBE:
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>>>>>> http://www.freeswitch.org
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>>>>
>>>>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>>>>> http://twitter.com/FreeSWITCH
>>>>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>>>>> <http://freeswitch.org/g+>*
>>>>>
>>>>> ClueCon Weekly Development Call
>>>>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>>>>
>>>>>
>>>>>
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> http://www.freeswitchsolutions.com
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> http://www.freeswitch.org
>>>>> http://confluence.freeswitch.org
>>>>> http://www.cluecon.com
>>>>>
>>>>> 
>>>>> 
>>>>>
>>>>> FreeSWITCH-users mailing list
>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>> UNSUBSCRIBE:
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>>>>> http://www.freeswitch.org
>>>>>
>>>>
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> Professional FreeSWITCH Consulting Services:
>>>> consulting at freeswitch.org
>>>> http://www.freeswitchsolutions.com
>>>>
>>>> Official FreeSWITCH Sites
>>>> http://www.freeswitch.org
>>>> http://confluence.freeswitch.org
>>>> http://www.cluecon.com
>>>>
>>>> 
>>>> 
>>>>
>>>> FreeSWITCH-users mailing list
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>>>> http://www.freeswitch.org
>>>>
>>>
>>>
>>>
>>> --
>>> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>>
>>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>>> http://twitter.com/FreeSWITCH
>>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>>> <http://freeswitch.org/g+>*
>>>
>>> ClueCon Weekly Development Call
>>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> 
>>> 
>>>
>>> FreeSWITCH-users mailing list
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>>>
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> 
>> 
>>
>> FreeSWITCH-users mailing list
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>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>
>
>
> --
> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>
> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
> http://twitter.com/FreeSWITCH
> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
> <http://freeswitch.org/g+>*
>
> ClueCon Weekly Development Call
> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> 
> 
>
> FreeSWITCH-users mailing list
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