First post

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Pau Espin Pedrol pespin at sysmocom.de
Mon Dec 17 09:39:38 UTC 2018


Hi Gullik,

first of all, thanks for testing and reporting the issues you see.

Where are you installing your packages from? Osmocom repositories? 
latest [1] or nightly [2]?

Packages from "latest" start to be a bit old nowadays, and have some 
known bugs. So in general if you are planning to contribute and you are 
getting used to the system, I'd recommend using nightly to follow 
development more tightly, at least until we have a new release. If you 
find an issue, please give it a try on nightly and see if the bug is 
still there, then submit a ticket in redmine. Patches welcome too of course.

Fyi, I plan to do a new release of all components soon in mid January 
when I'm back from Holidays.

[1] https://osmocom.org/projects/cellular-infrastructure/wiki/Latest_Builds
[2] https://osmocom.org/projects/cellular-infrastructure/wiki/Nightly_Builds

On 12/17/18 10:00 AM, Gullik Webjorn wrote:
> It looks like this is addressed in change 11139, however this was 3 
> months ago, and build date
> 
> of osmo-msc_1.2.0_armhf.deb seems to be nov-10, but it seems not in there.
> 
> Would the fix be in osmo-msc_1.2.0.140.1051c_armhf.deb ?
> 
> Gullik
> 
> 
> On 2018-12-17 09:46, Gullik Webjorn wrote:
>> Hello,
>>
>> I have recently started to deploy OpenBSC . Initially I hope to 
>> contribute to manuals and howtos
>>
>> and with bug reports and testing. I have followed the suggested line, 
>> and installed everything from
>>
>> binarys, which puts for instance osmo-msc at 1.2.0. The platform is 
>> Orange Pi Zero, and UHD / B100,
>>
>> but will evolve to OPI Z + limesdr-mini.
>>
>> I have encountered the "swapped address" bug reported some 3-4 months 
>> ago, but is there in
>>
>> osmo-msc 1.2.0, i.e. resulting in one way audio, since the sdp is 
>> addressed to a byte reversed
>>
>> address. Apart from that problem I have some minor stability issues 
>> (more later ).
>>
>> so, my entry #1
>>
>> Latest .deb packages have an issue with requesting the RTP stream for 
>> audio TO Mobile
>>
>> with a bogus IP address:
>>
>> 16:20:17.739790 IP (tos 0x0, ttl 64, id 50362, offset 0, flags [none], 
>> proto UDP (17), length 698)
>>     orangepizero.lan.5065 > slottet.lan.sip: [udp sum ok] SIP, length: 
>> 670
>>         INVITE sip:1000 at 192.168.1.80:5060 SIP/2.0
>>         Via: SIP/2.0/UDP 
>> 192.168.1.170:5065;rport;branch=z9hG4bKcgB6KF1r9Z8Zj
>>         Max-Forwards: 70
>>         From: <sip:0757576000 at 192.168.1.170:5065>;tag=9U40t8B3a8p5r
>>         To: <sip:1000 at 192.168.1.80:5060>
>>         Call-ID: 590931be-7be8-1237-51bb-0242ed556d0c
>>         CSeq: 938485738 INVITE
>>         Contact: <sip:192.168.1.170:5065>
>>         User-Agent: sofia-sip/1.12.11devel
>>         Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, PRACK, MESSAGE, 
>> SUBSCRIBE, NOTIFY, REFER, UPDATE
>>         Supported: timer, 100rel
>>         Content-Type: application/sdp
>>         Content-Length: 129
>>
>>         v=0
>>         o=Osmocom 0 0 IN IP4 170.1.168.192
>>         s=GSM Call
>>         c=IN IP4 170.1.168.192
>>         t=0 0
>>         m=audio 4036 RTP/AVP 0
>>         a=rtpmap:0 GSM/8000
>>
>> Asterisk on 192.168.1.80, osmo stack on 192.168.1.170,
>>
>> Best Regards,
>>
>> Gullik
>>

-- 
- Pau Espin Pedrol <pespin at sysmocom.de>         http://www.sysmocom.de/
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