limesdr mini - osmo cni

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Sandi Suhendro djks74 at gmail.com
Tue Dec 24 18:16:19 UTC 2019


You are welcome. :-)

On Wed, Dec 25, 2019 at 1:14 AM ah med <grgrehreher at gmail.com> wrote:

> It's working.
>
> now i can see the network after changing the remote ip from 192.168.122.1
> to localhost !
> just missed to change it as you said!
> i will try to provide a working config for other users ASAP !
>
> thanks!
>
> Le mar. 24 déc. 2019 à 19:03, Sandi Suhendro <djks74 at gmail.com> a écrit :
>
>> Signaling link down appear because OML not connecting,
>> have you try use oml remote-ip 127.0.0.1  ?
>>
>> You running on the same computer for the CNI right?
>>
>> On Wed, Dec 25, 2019 at 12:33 AM ah med <grgrehreher at gmail.com> wrote:
>>
>>> HI all,
>>>
>>> Just found that theproblem is with the osmo-bts-trx :
>>>
>>> journalctl -f -u osmo-bts-trx.service
>>>
>>> <0010> telnet_interface.c:104 Available via telnet 127.0.0.1 4241
>>>>  osmo-bts-trx[26145]: <0012> input/ipaccess.c:897 enabling ipaccess BTS
>>>> mode, OML connecting to 192.168.122.1:3002
>>>>  osmo-bts-trx[26145]: <000b> trx_if.c:1155 phy0.0: Open transceiver
>>>>  osmo-bts-trx[26145]: <000b> trx_if.c:173 phy0.0: No satisfactory
>>>> response from transceiver(CMD POWEROFF)
>>>>  osmo-bts-trx[26145]: <0009> pcu_sock.c:929 PCU socket connected to
>>>> external PCU
>>>>  osmo-bts-trx[26145]: <0001> oml.c:91 OC=GPRS-CELL INST=(00,ff,ff):
>>>> Sending PCU version report to BSC: 0.7.0
>>>>  osmo-bts-trx[26145]: <0001> oml.c:91 OC=GPRS-CELL INST=(00,ff,ff):
>>>> Sending PCU version report to BSC: 0.7.0
>>>>  osmo-bts-trx[26145]: <0001> oml.c:91 OC=GPRS-CELL INST=(00,ff,ff):
>>>> Sending PCU version report to BSC: 0.7.0
>>>>  osmo-bts-trx[26145]: <0001> oml.c:91 OC=GPRS-CELL INST=(00,ff,ff):
>>>> Sending PCU version report to BSC: 0.7.0
>>>>  osmo-bts-trx[26145]: <0001> oml.c:91 OC=GPRS-CELL INST=(00,ff,ff):
>>>> Sending PCU version report to BSC: 0.7.0
>>>>  osmo-bts-trx[26145]: <0001> oml.c:91 OC=GPRS-CELL INST=(00,ff,ff):
>>>> Sending PCU version report to BSC: 0.7.0
>>>>  osmo-bts-trx[26145]: <000d> abis.c:144 Signalling link down
>>>>  osmo-bts-trx[26145]: <0001> bts.c:285 Shutting down BTS 0, Reason Abis
>>>> close
>>>>  osmo-bts-trx[26145]: Shutdown timer expired
>>>>  osmo-bts-trx[26145]: ((*))
>>>>  osmo-bts-trx[26145]:   |
>>>>  osmo-bts-trx[26145]:  / \ OsmoBTS
>>>>  systemd[1]: osmo-bts-trx.service: Main process exited, code=exited,
>>>> status=42/n/a
>>>>  systemd[1]: osmo-bts-trx.service: Failed with result 'exit-code'.
>>>>  systemd[1]: osmo-bts-trx.service: Service hold-off time over,
>>>> scheduling restart.
>>>>  systemd[1]: osmo-bts-trx.service: Scheduled restart job, restart
>>>> counter is at 1.
>>>>
>>>
>>> the problem is with "Signalling link down" and " osmo-bts-trx[26145]:
>>> <0001> bts.c:285 Shutting down BTS 0, Reason Abis close"
>>>
>>> i tried to verif the unit-id for both osmo-btstrx and osmo-bsc and found
>>> that it's the same!
>>> still can't figure why the abis close.
>>>
>>> for the config files :
>>>
>>> osmo-bts-trx.cfg:
>>> https://pastebin.com/wgBxXN6G
>>>
>>> osmo-bsc.cfg :
>>> https://pastebin.com/jh81aKrM
>>>
>>> Setup :
>>> osmocom CNI latest build for ubuntu 18.04 + limesdr mini
>>>
>>> Thanks!
>>>
>>>
>>>
>>> Le mar. 17 déc. 2019 à 22:03, Pau Espin Pedrol <pespin at sysmocom.de> a
>>> écrit :
>>>
>>>>
>>>>
>>>> On 12/17/19 8:55 PM, ah med wrote:
>>>> > the problem it's that i can't see the network using my phone,neither
>>>> on
>>>> > band 1800 or 900 !
>>>> >
>>>> >       osmo-trx-lms[7995]: Sun Dec  8 18:02:05 2019 DTRXCTRL <0001>
>>>> >     Transceiver.cpp:773 [tid=140437098583808][chan=0] command is
>>>> 'POWEROFF'
>>>> >       osmo-trx-lms[7995]: Sun Dec  8 18:02:05 2019 DTRXCTRL <0001>
>>>> >     Transceiver.cpp:918 [tid=140437098583808][chan=0] response is 'RSP
>>>> >     POWEROFF 0'
>>>> >
>>>> >
>>>> > as you see, for the air interface,the program is sending  a
>>>> 'POWEROFF'
>>>> > command to the limesdrmini ! means that limesdr can't act as a bts
>>>> > correctly!right ?
>>>>
>>>> As I said, it's expected that the BTS upon connecting to osmo-trx first
>>>> sends a POWEROFF command to make sure the TRX is stopped, in a "known"
>>>> state. Once there, it configures it and finally turns it on with
>>>> "POWERON".
>>>>
>>>> > is there any way to dig more into the cause of this behavior ? the
>>>> only
>>>> > log i can see is from the systemctl !
>>>>
>>>> Please read the wiki and the user manuals to learn the basics on how to
>>>> operate the osmocom software. Specially how to access the VTY and
>>>> configure it as well as get logging information.
>>>> https://ftp.osmocom.org/docs/latest/
>>>>
>>>> --
>>>> - Pau Espin Pedrol <pespin at sysmocom.de>         http://www.sysmocom.de/
>>>> =======================================================================
>>>> * sysmocom - systems for mobile communications GmbH
>>>> * Alt-Moabit 93
>>>> * 10559 Berlin, Germany
>>>> * Sitz / Registered office: Berlin, HRB 134158 B
>>>> * Geschaeftsfuehrer / Managing Director: Harald Welte
>>>>
>>>
>>
>> --
>> Best Regards,
>> Sandi
>>
>>

-- 
Best Regards,
Sandi
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