OpenBSC + USSD Application

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Ivan Kluchnikov Ivan.Kluchnikov at fairwaves.ru
Thu Sep 19 13:08:43 UTC 2013


Hi Maicon,

It is strange, I will check with my installation.
Now you can try to use more older version of libosmocore.
Just  checkout your libosmocore:
git checkout a652abc5bf75435ba7f1c96ed914cf5805fc326f
After that recompile and reinstall libosmocore, libosmo-abis, openbsc
and osmo-bts.

2013/9/19 Maicon Kist <maicon.kist at inf.ufrgs.br>:
> Hi Ivan,
>
> tred the latest version of openbsc (jolly/testing branch), osmocore-abis
> (master branch) and osmo-bts (jolly/trx branch). The problem I'm having
> continues. When I make a USSD call, osmo-nitb and osmo-trx show this error
> messages:
>
> .....
> <000d> abis.c:428 Connection to BSC failed
> <0001> oml.c:249 OC=RADIO-CARRIER INST=(00,00,ff) AVAIL STATE Off line -> OK
> <0001> oml.c:256 OC=RADIO-CARRIER INST=(00,00,ff) OPER STATE Disabled ->
> Disabled
> <0001> oml.c:217 OC=RADIO-CARRIER INST=(00,00,ff) Tx STATE CHG REP
> <000d> abis.c:501 Abis socket closed.
> <000d> abis.c:433 Connection to BSC failed, retrying in 5 seconds.
> <0006> scheduler.c:2867 No more clock from traneiver
> <0006> scheduler.c:236 Exit scheduler for trx=0
> <0006> scheduler.c:212 Init scheduler for trx=0
> <0001> oml.c:249 OC=RADIO-CARRIER INST=(00,00,ff) AVAIL STATE OK -> Off line
> <0001> oml.c:256 OC=RADIO-CARRIER INST=(00,00,ff) OPER STATE Disabled ->
> Disabled
> <0001> oml.c:217 OC=RADIO-CARRIER INST=(00,00,ff) Tx STATE CHG REP
> <000d> abis.c:59 Link down, dropping message.
> .....
>
> Any help ?
>
> Best Regards,
>
>
>
>
> On Wed, Sep 18, 2013 at 2:49 PM, Maicon Kist <maicon.kist at inf.ufrgs.br>
> wrote:
>>
>> Hi Ivan,
>>
>> thanks. Will try it tomorrow and give a feedback. Thanks.
>>
>> Best Regards,
>>
>>
>> On 18/09/2013, at 14:18, Ivan Kluchnikov <Ivan.Kluchnikov at fairwaves.ru>
>> wrote:
>>
>> > Hi Maicon,
>> >
>> > Pull the last version of libosmocore from master branch and after that
>> > recompile libosmo-abis, openbsc and osmo-bts.
>> >
>> > 2013/9/18 Maicon Kist <maicon.kist at inf.ufrgs.br>:
>> >> Hi Alexander,
>> >>
>> >> can you tell me in what version of OpenBSC the USSD is working?
>> >>
>> >> Thanks.
>> >>
>> >>
>> >>
>> >> On Tue, Sep 10, 2013 at 1:57 PM, Alexander Chemeris
>> >> <alexander.chemeris at gmail.com> wrote:
>> >>>
>> >>> Maicon,
>> >>>
>> >>> Sorry for dropping off the discussion - busy time here.
>> >>>
>> >>> It seems we're seeing a similar issue here after we updated the code,
>> >>> so we'll check what's happening. Our older installs never had any USSD
>> >>> issues.
>> >>>
>> >>> On Sat, Sep 7, 2013 at 11:02 PM, Maicon Kist
>> >>> <maicon.kist at inf.ufrgs.br>
>> >>> wrote:
>> >>>> Thanks for you reply.
>> >>>>
>> >>>> I'm searching for the problem here, but is really hard for me.
>> >>>> I captured some packets targeted to UDP port 4729. In this capture, I
>> >>>> realize an USSD call. Whats bothering me is the packet number 37, the
>> >>>> only
>> >>>> with less than 83 bytes.
>> >>>>
>> >>>> Does anybody know if this may be a problem ?
>> >>>>
>> >>>> Thanks.
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>> On Sat, Sep 7, 2013 at 1:48 PM, Harald Welte <laforge at gnumonks.org>
>> >>>> wrote:
>> >>>>>
>> >>>>> Hi Maicon,
>> >>>>>
>> >>>>> I don't have much input, but:
>> >>>>>
>> >>>>> On Thu, Sep 05, 2013 at 09:41:19AM -0300, Maicon Kist wrote:
>> >>>>>> I don't know how the OpenBSC works, but what it seems to me is that
>> >>>>>> two
>> >>>>>> separate threads are calling this fuction, maybe this is the
>> >>>>>> problem
>> >>>>>> ?
>> >>>>>> Do
>> >>>>>> you guys know what I can try to do next?
>> >>>>>
>> >>>>> OpenBSC (and much of osmocom software) is a single-thread event-loop
>> >>>>> design, so there are no separete therads that are calling any
>> >>>>> function.
>> >>>>>
>> >>>>> --
>> >>>>> - Harald Welte <laforge at gnumonks.org>
>> >>>>> http://laforge.gnumonks.org/
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> ============================================================================
>> >>>>> "Privacy in residential applications is a desirable marketing
>> >>>>> option."
>> >>>>>                                                  (ETSI EN 300 175-7
>> >>>>> Ch.
>> >>>>> A6)
>> >>>>
>> >>>>
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> Regards,
>> >>> Alexander Chemeris.
>> >>> CEO, Fairwaves LLC / ООО УмРадио
>> >>> http://fairwaves.ru
>> >>
>> >>
>> >
>> >
>> >
>> > --
>> > Regards,
>> > Ivan Kluchnikov.
>> > http://fairwaves.ru
>>
>>
>



-- 
Regards,
Ivan Kluchnikov.
http://fairwaves.ru




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