OpenBSC + USSD Application

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Maicon Kist maicon.kist at inf.ufrgs.br
Thu Sep 19 18:11:23 UTC 2013


Hi Ivan,

tried it. Same problem.


Best Regards,


On Thu, Sep 19, 2013 at 10:08 AM, Ivan Kluchnikov <
Ivan.Kluchnikov at fairwaves.ru> wrote:

> 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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