osmocomBB with osmo-bts stuck need help

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Sandi Suhendro djks74 at gmail.com
Mon Jan 8 18:11:03 UTC 2018


Dear Vadim,
just FYI, the jolly branch stuck and cannot sync to BTS on my side.
I was using Sylvain branch for the test.

Thanks.

DUO

On Tue, Jan 9, 2018 at 12:42 AM, Sandi Suhendro <djks74 at gmail.com> wrote:

> OK,
> Thanks alot Vadim. :-) will try to debug and will keep report.
>
> Thanks.
> DUO
>
>
> On Tue, Jan 9, 2018 at 12:32 AM, Vadim Yanitskiy <axilirator at gmail.com>
> wrote:
>
>> Let's keep the public conversation,
>> there are no secrets, right? ;)
>>
>> > Here is the pcap attached and here is the osmo-nitb
>> > log https://pastebin.com/NJa0YU08
>> >
>> > here is the osmo-bts log https://pastebin.com/RZ0au5yA
>> >
>> > hope you know what is wrong. Thanks
>>
>> Have a look at the following log lines:
>>
>> > trx_if.c:217 Enqueuing TRX control command 'CMD NOHANDOVER 0 0'
>> > ...
>> > trx_if.c:371 Response message: 'RSP NOHANDOVER -1'
>> > trx_if.c:403 transceiver (phy0.0) rejected TRX command
>> > with response: 'RSP NOHANDOVER -1'
>> > bts.c:208 Shutting down BTS 0, Reason TRX-CTRL-MSG: CRITICAL
>>
>> For some reason, the OsmocomBB transceiver rejects the command.
>> Despite it's implemented and should work as expected.
>>
>> Let's look at the source code (trx.c:400 _trx_ctrl_cmd_(no)handover):
>>
>> > int n, tn, ss = 0;
>> >
>> > n = sscanf(args, "%d %d", &tn, &ss);
>> >
>> > if ((n < 1) || (tn < 0) || (tn > 7) || (ss < 0) || ((ss > 8)))
>> >   return _trx_ctrl_send_resp(trx, cmd, "%d %d %d", -1, tn, ss);
>> >
>> > // ...
>>
>> Try to debug this condition on your side.
>> I cannot reproduce your problem...
>>
>> With best regards,
>> Vadim Yanitskiy.
>>
>>
>
>
>
>


-- 
best regards,
Krazy Sandi
Blue Soho Recordings
Number One Recordings
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