[Freeswitch-users] FreeSWITCH Stops Responding

Cary Shouse cary at ytel.com
Mon Aug 30 17:38:41 UTC 2021

 Yes, that is what we are seeing when running uuid_kill.  We cannot
"replicate" the issue, but it happens multiple times a day for us across
our servers.   We have looked through logs across multiple systems, taken
SIP traces to see if that showed anything.  Last we got a Core dump of the
running process after the failure. Nothing seems to stand out as the cause.

 Are there any other debug steps you can think of or what other information
to look at?  We could capture all traffic on the server, or recompile with
special debug flags whatever it is that might help.

Steps we have taken:

sofia loglevel all 9

sofia global siptrace on

fsctl loglevel 7

# Set environment variable

On Sat, Aug 28, 2021 at 12:54 AM Brian West <brian at freeswitch.com> wrote:

> It's an issue we've been searching for, if you uuid_kill it, and it
> says no session, it only means the record was NOT removed from the sqlite
> database.
> Nobody can seem to replicate the steps required to get into that
> condition, maybe you could look thru the logs and see if you can replicate
> what ever happened on that lingering UUID
> /b
> On Fri, Aug 27, 2021 at 5:40 PM Cary Shouse <cary at ytel.com> wrote:
>>  We recently started having a problem with our FreeSWITCH servers where
>> calls are working well, with about 200 calls operating sometimes for a
>> couple of days, and then something happens and all call progress stops.
>> Then any new inbound calls that come into the server get stuck in initial
>> status, new inbound get stuck at RINGING. This happens until the max
>> sessions are hit and of course nothing else works from there. Our thought
>> is something is creating a lock and stopping anything else from progressing.
>>  We are seeing the stuck sessions using "show channels". Doing a
>> uuid_kill on the calls seems to make no difference to the output of "show
>> channels", but we have noticed in the logs that some events do happen to
>> some of the calls.
>>  We had ran into a similar issue when writing a custom C module and made
>> some mistakes with session_rwlock etc. But in this case, all of this is
>> using LUA.
>> Some general information:
>> FreeSWITCH Versions 1.10.6 and 1.10.1
>> Modules used:
>> LUA, xml_curl(dialplan), event_socket,
>>  Most of this is just application playing audio files and or creating a
>> new call to bridge to.
>>  Really looking for some help on what debugging we can enable to help
>> identify what is getting stuck to identify where a bug might be on our
>> usage or possible issue with FreeSWITCH.
>>  We have captured a core dump of the running process when it got into the
>> bad state as well, if that is helpful, we can send it in.
>> Thank you for your help.
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