Query - Running two ARFCN on UmTRX using OsmoBTS

Andy Avtushenko andy.avtushenko at gmail.com
Thu May 21 15:48:37 UTC 2015


Hi Jijo.
Could you please send openbsc.cfg
also you can use "locate" to find a logs.
run something like
locate osmo-trx either locate current


2015-05-21 4:47 GMT-08:00 Joe Ge <jijo123789 at gmail.com>:

> Hi Andy,
>
> That setup seemed to have worked for me once I rebuilt it again.
> But I'm still facing the same error as stated by Amber & Sarosh
> The 2nd BTS refuses to take the configuration of "bts 1". I have tried to
> run the 2nd BTS on the same machine as well as from a networked machine.
>
>
> ------------------------------------------------------------------------------------------
> root at nistws4:/home/nist-ws4# osmobts-trx -c /root/.osmocom/ho_bts1.cfg
> ((*))
>   |
>  / \ OsmoBTS
> Using MAC address of eth0: '40:a8:f0:63:c7:b6'
> <0006> scheduler.c:212 Init scheduler for trx=0
> <000b> trx_if.c:493 Open transceiver for trx=0
> <000b> trx_if.c:504 Waiting for transceiver send clock
> There is no such command.
> Error occurred during reading below line:
>  band DCS1800
>
> % Unknown BTS number 1 (num 1)
> Failed to parse the config file: '/root/.osmocom/ho_bts1.cfg'
>
> ------------------------------------------------------------------------------------------
>
>
>
> Configuration file for ho_bts1.cfg is as follows:
>
> ------------------------------------------------------------------------------------------
> bts 1
>  band DCS1800
>  ipa unit-id 1802 0
>  oml remote-ip 172.30.1.10
>  rtp bind-ip 172.30.1.10
>  rtp jitter-buffer 0
>  paging lifetime 0
>  gsmtap-sapi bcch
>  gsmtap-sapi ccch
>  gsmtap-sapi rach
>  gsmtap-sapi agch
>  gsmtap-sapi pch
>  gsmtap-sapi sdcch
>  gsmtap-sapi pacch
>  gsmtap-sapi pdtch
>  gsmtap-sapi sacch
>  fn-advance 20
>  ms-power-loop -60
>  timing-advance-loop
>  trx 0
>   rxgain 0
>   power 0
>
> ------------------------------------------------------------------------------------------
>
>
> Can you please suggest some alternatives?
>
> Thanks and Regards,
> Jijo
>
> On Thu, May 21, 2015 at 12:06 PM, Joe Ge <jijo123789 at gmail.com> wrote:
>
>> Hi Andy,
>>
>> There are no logs in the location you specified.
>> Does it need to be activated somehow(debug mode)???
>> What might be the problem?
>>
>> Regards,
>> Jijo
>>
>> On Wed, May 20, 2015 at 9:29 PM, Andy Avtushenko <
>> andy.avtushenko at gmail.com> wrote:
>>
>>> Hello Jijo
>>> Could you please provide us a osmo-trx logs
>>> located in var/logs/osmo-trx/current
>>> thanks
>>>
>>> 2015-05-20 4:34 GMT-08:00 Jijo <jijo123789 at gmail.com>:
>>>
>>>> Hi Alexander,
>>>>
>>>> I'm working on a similar setup as Amber & Sarosh, till about recently I
>>>> was
>>>> facing the same error as these guys (where the config file was not
>>>> parsing
>>>> the trx 1 and later sections) when I stumbled upon your response.
>>>> Now I've installed the same versions as suggested by you :
>>>> osmo_trx: fairwaves/master
>>>> libosmocore: master
>>>> libosmo-abis: fairwaves/master
>>>> libsmpp34: master
>>>> osmo_bts: fairwaves/debian
>>>> openbsc: fairwaves/master
>>>>
>>>> But somehow my osmobts-trx is not recognizing osmo-trx
>>>>
>>>> --------------------------------------------------------
>>>> <0001> oml.c:419 L3=0x94eb07e, VAL=0x94eb0ad, DIF=47
>>>> <0001> oml.c:790 ADM state already was Unlocked
>>>> <0001> oml.c:790 ADM state already was Unlocked
>>>> <0001> oml.c:790 ADM state already was Unlocked
>>>> <0001> oml.c:790 ADM state already was Unlocked
>>>> <000b> trx_if.c:187 No response from transceiver for trx=0
>>>> <000b> trx_if.c:187 No response from transceiver for trx=0
>>>> <000b> trx_if.c:187 No response from transceiver for trx=0
>>>> <000b> trx_if.c:187 No response from transceiver for trx=0
>>>> --------------------------------------------------------
>>>>
>>>> I'm using UmDESK for this setup.
>>>> PS- I built osmo-bts with(./configure --enable-trx). I hope that was
>>>> correct
>>>> for UmDESK
>>>> Can you help with this regard?
>>>>
>>>> Thanks and Regards,
>>>> Jijo
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Best regards,
>>> Andy
>>>
>>
>>
>


-- 
Best regards,
Andy
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