Open Source Mobile Communications: Issueshttps://osmocom.org/https://osmocom.org/favicon.ico?16647414092018-08-20T01:02:50ZOpen Source Mobile Communications
Redmine OsmoBSC - Bug #3474 (Feedback): SDCCH not released if Radio Link Failure / Sending Connection Fai...https://osmocom.org/issues/34742018-08-20T01:02:50Zron.menez@entropysolution.com
<p>Encountered an issue regarding the SDCCH channel not being released immediately after a "Radio Link Failure" is detected in osmo-bsc and an equivalent error of "Sending Connection Failure: cause = 0x01" in osmo-bts-trx.</p>
<p>Error in osmo-bts-trx:<br /><0000> rsl.c:797 (bts=0,trx=0,ts=0,ss=0) Sending Connection Failure: cause = 0x01</p>
<p>Error in osmo-bsc:<br /><0003> abis_rsl.c:1372 (bts=0,trx=0,ts=0,ss=0) CONNECTION FAIL in state ACTIVE CAUSE=0x01(Radio Link Failure)</p>
<p>With this issue, the SDCCH channel will then be exhausted and no other subscriber can attach and do any services (call and SMS).</p>
<p>Below are the versions of OSMO-BSC, OSMO-BTS-TRX, OSMO-TRX, and OSMO-MSC.</p>
<p>OsmoBSC# show version<br />OsmoBSC 1.2.1.91-3ff7 (OsmoBSC).<br />Copyright (C) 2008-2018 Harald Welte, Holger Freyther<br />Contributions by Daniel Willmann, Jan Lübbe, Stefan Schmidt<br />Dieter Spaar, Andreas Eversberg, Sylvain Munaut, Neels Hofmeyr</p>
<p>License AGPLv3+: GNU AGPL version 3 or later <<a class="external" href="http://gnu.org/licenses/agpl-3.0.html">http://gnu.org/licenses/agpl-3.0.html</a>><br />This is free software: you are free to change and redistribute it.<br />There is NO WARRANTY, to the extent permitted by law.</p>
<p>===============================================</p>
<p>OsmoBTS# show version<br />OsmoBTS 0.8.1.35-6575f0 (OsmoBTS).<br />Copyright (C) 2010, 2011 by Harald Welte, Andreas Eversberg and On-Waves<br />License AGPLv3+: GNU AGPL version 3 or later <<a class="external" href="http://gnu.org/licenses/agpl-3.0.html">http://gnu.org/licenses/agpl-3.0.html</a>><br />This is free software: you are free to change and redistribute it.<br />There is NO WARRANTY, to the extent permitted by law.</p>
<p>===============================================</p>
<p>OsmoTRX# show version<br />OsmoTRX 0.4.0 (OsmoTRX).<br />Copyright (C) 2007-2014 Free Software Foundation, Inc.<br />Copyright (C) 2013 Thomas Tsou <<a class="email" href="mailto:tom@tsou.cc">tom@tsou.cc</a>><br />Copyright (C) 2015 Ettus Research LLC<br />Copyright (C) 2017-2018 by sysmocom s.f.m.c. GmbH <<a class="email" href="mailto:info@sysmocom.de">info@sysmocom.de</a>><br />License AGPLv3+: GNU AGPL version 3 or later <<a class="external" href="http://gnu.org/licenses/agpl-3.0.html">http://gnu.org/licenses/agpl-3.0.html</a>><br />This is free software: you are free to change and redistribute it.<br />There is NO WARRANTY, to the extent permitted by law.</p>
<p>===============================================</p>
<p>OsmoMSC# show version<br />OsmoMSC 1.2.0.20-2798 (OsmoMSC).<br />OsmoMSC - Osmocom Circuit-Switched Core Network implementation<br />Copyright (C) 2016 by sysmocom s.f.m.c. GmbH <<a class="email" href="mailto:info@sysmocom.de">info@sysmocom.de</a>><br />Based on OsmoNITB:<br /> (C) 2008-2010 by Harald Welte <<a class="email" href="mailto:laforge@gnumonks.org">laforge@gnumonks.org</a>><br /> (C) 2009-2012 by Holger Hans Peter Freyther <<a class="email" href="mailto:zecke@selfish.org">zecke@selfish.org</a>><br />Contributions by Daniel Willmann, Jan Lübbe, Stefan Schmidt<br />Dieter Spaar, Andreas Eversberg, Sylvain Munaut, Neels Hofmeyr</p>
<p>License AGPLv3+: GNU AGPL version 3 or later <<a class="external" href="http://gnu.org/licenses/agpl-3.0.html">http://gnu.org/licenses/agpl-3.0.html</a>><br />This is free software: you are free to change and redistribute it.<br />There is NO WARRANTY, to the extent permitted by law.</p>
<p>OS used: UBUNTU 16.04.</p>