[libnice] Assert due to wrong transition

Thu Mar 22 11:05:04 UTC 2018

Regarding operator its Reliance jio (VoLTE) and Vodafone

On 22 March 2018 at 12:20, Igor Khomenko <igor at quickblox.com> wrote:

> Some more feedback on the issue:
>
> "When we checked the video call issue, it occurs only when the device is
> connected to a 4g mobile data. It is working properly in wifi & 3g mobile
> data. On connecting to a 4g network, the following error occurs"
>
> On 22 March 2018 at 10:12, Igor Khomenko <igor at quickblox.com> wrote:
>
>> Hi Olivier, Lorenzo
>>
>> I've got all needed logs upon crash, including libnice logs
>>
>> Stacktrace again (the same assert):
>> https://www.dropbox.com/s/jlqtzu0neqlqc8o/janus_libnice_asse
>> rt_stacktrace.crash?dl=0
>>
>> logs:
>> https://www.dropbox.com/s/hq1nkeh6w25jsk3/janus.log?dl=0
>>
>> look at the end of janus.log
>> Line N19365 - "(process:17784): libnice-DEBUG: Agent 0x7f6aa000dcf0 :
>> stream 1 component 1 STATE-CHANGE gathering -> connected."
>> this is when crash happened, then autorestart of Janus occurred after
>> some time.
>>
>> So all the lines before N19365 are what we are looking for from my
>> understanding,
>> e.g. line N19330 is where assertion failed
>>
>> Please let me know if you need anything else here to identify the root
>> cause and find a proper solution
>>
>> thanks
>>
>>
>>
>> On 21 March 2018 at 20:03, Olivier Crête <olivier.crete at collabora.com>
>> wrote:
>>
>>> Hi,
>>>
>>> The address in this log is from Airtel in India.
>>>
>>> Olivier
>>>
>>> On Wed, 2018-03-21 at 19:28 +0200, Igor Khomenko wrote:
>>>
>>> Thanks Lorenzo, that did a trick, I can see libnice logs now, will try
>>> to repro another crash and grab logs
>>>
>>> @Olivier, I will ask about operator
>>>
>>> On 21 March 2018 at 19:03, Olivier Crête <olivier.crete at collabora.com>
>>> wrote:
>>>
>>> Hi,
>>>
>>> Out of curiosity, does it happen for a specific operator? I've heard of
>>> problems with O2 UK, or is it a different one?
>>>
>>> Olivie
>>>
>>> On Wed, 2018-03-21 at 13:51 +0100, Lorenzo Miniero wrote:
>>>
>>> 2018-03-19 14:39 GMT+01:00 Igor Khomenko <igor at quickblox.com>:
>>>
>>> This is what I got from Janus log after startup when set above configs:
>>>
>>> [Mon Mar 19 10:04:20 2018] Enabling libnice debugging...
>>> [Mon Mar 19 10:00:51 2018] [33m[WARN] [0m No NICE_DEBUG environment
>>> variable set, setting maximum debug
>>> [Mon Mar 19 10:00:51 2018] [33m[WARN] [0m No G_MESSAGES_DEBUG
>>> environment variable set, setting maximum debug
>>> [Mon Mar 19 10:00:51 2018] Debugging NICE_DEBUG=all G_MESSAGES_DEBUG=all
>>>
>>> But I think it's not still there, I can't find proper logs of libnice
>>> inside /var/log/janus.log
>>>
>>> Here is my log
>>> https://www.dropbox.com/s/zqkyjb80sl0cdwg/janus.log?dl=0
>>>
>>>
>>>
>>>
>>> This log doesn't contain any libnice related information, so I don't
>>> think this can help Olivier and the others figure out what's wrong. I
>>> believe the libnice debugging ends up on stdout or stderr, so if you're
>>> using the Janus log-to-file feature and disable stdout, those lines will be
>>> lost. You should either leave stdout/stderr logging enabled, and redirect
>>> both to a file, or check how you can redirect the NICE_DEBUG and
>>> G_MESSAGES_DEBUG debugging to the same file you're saving to.
>>>
>>> L.
>>>
>>>
>>>
>>>
>>> For example, we can find these lines:
>>>
>>> ---------------------------------------------------
>>>   Starting Meetecho Janus (WebRTC Gateway) v0.2.1
>>> ---------------------------------------------------
>>> ....
>>> [Mon Mar 19 10:21:29 2018] Enabling libnice debugging...
>>>
>>> This is when Janus was restarted after the crash,
>>> but before these lines I do not find anything unusual, and also there
>>> are no libnice debug logs
>>>
>>> @Lorenzo - should we check for libnice debug logs on other place?
>>>
>>> thanks
>>>
>>> On 6 March 2018 at 11:59, Igor Khomenko <igor at quickblox.com> wrote:
>>>
>>> I set "nice_debug = true" in Janus config which is going to enable the
>>> flag you mentioned, here
>>> https://github.com/meetecho/janus-gateway/blob/master/ice.c#L110
>>>
>>> Will try to reproduce the issue and then post here logs
>>>
>>> On 5 March 2018 at 21:00, Olivier Crête <olivier.crete at collabora.com>
>>> wrote:
>>>
>>> Hi,
>>>
>>> I wonder how it gets there in that state. It should be in the state
>>> connecting for this code to be called... Can you get a log with the libnice
>>> debug from the case? with G_MESSAGES_DEBUG=libnice ?
>>>
>>> Olivier
>>>
>>> On Mon, 2018-03-05 at 18:32 +0200, Igor Khomenko wrote:
>>>
>>> Here is a link to stacktrace
>>> https://gist.github.com/soulfly/6d2f629b511423cbc1914ea66a141832
>>>
>>>
>>> Here is a commit I reproduced this issue
>>> https://github.com/libnice/libnice/blob/dbaf8f5ccd76089e3408
>>> 83887c7e08e6c04de80a/agent/agent.c#L2320
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> nice mailing listnice at lists.freedesktop.orghttps://lists.freedesktop.org/mailman/listinfo/nice
>>>
>>> --
>>>
>>> Olivier Crête olivier.crete at collabora.com
>>>
>>>
>>>
>>>
>>> --
>>> Igor Khomenko,
>>> CTO @ *QuickBlox*
>>>
>>> igor at quickblox.com <taras at quickblox.com>
>>> Q-municate <https://q-municate.com/>: Igor Khomenko
>>>
>>> We will be happy to solve your tech issues if you ask ‘quickblox’ tagged
>>> question on StackOverflow http://stackoverflow.com/questions/ask
>>>
>>>
>>>
>>>
>>> --
>>>
>>> Olivier Crête olivier.crete at collabora.com
>>>
>>>
>>>
>>>
>>> --
>>>
>>> Olivier Crête olivier.crete at collabora.com
>>>
>>>
>>
>>
>> --
>> Igor Khomenko,
>> CTO @ *QuickBlox*
>>
>> igor at quickblox.com <taras at quickblox.com>
>> Q-municate <https://q-municate.com/>: Igor Khomenko
>>
>> We will be happy to solve your tech issues if you ask ‘quickblox’ tagged
>> question on StackOverflow http://stackoverflow.com/questions/ask
>>
>
>
>
> --
> Igor Khomenko,
> CTO @ *QuickBlox*
>
> igor at quickblox.com <taras at quickblox.com>
> Q-municate <https://q-municate.com/>: Igor Khomenko
>
> We will be happy to solve your tech issues if you ask ‘quickblox’ tagged
> question on StackOverflow http://stackoverflow.com/questions/ask
>

-- 
Igor Khomenko,
CTO @ *QuickBlox*

igor at quickblox.com <taras at quickblox.com>
Q-municate <https://q-municate.com/>: Igor Khomenko

We will be happy to solve your tech issues if you ask ‘quickblox’ tagged
question on StackOverflow http://stackoverflow.com/questions/ask
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