This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/baseband-devel@lists.osmocom.org/.
Kurtis Heimerl kheimerl at cs.berkeley.eduAnything OpenBTS is doing wrong? On Tuesday, January 8, 2013, Pavel Baturko wrote: > Thanks for explanations and fast fix! It seems that now all works as > should be. > > Pavel > > On Tue, Jan 8, 2013 at 12:58 PM, Sylvain Munaut <246tnt at gmail.com<javascript:_e({}, 'cvml', '246tnt at gmail.com');> > > wrote: > >> The fix Andreas just pushed is what I suspected: A missing 'return' >> that made the "ignore" casei, not really ignored. >> >> What seems to happen is: >> - We respond to the assignement a bit fast it seems and OpenBTS >> doesn't see the first SABM at all (not in the OpenBTS trace at all) >> - When OpenBTS sees the SABM, it responds with the UA frame >> - OpenBTS doesn't send a new frame until quite a bit later, which >> means the UA frame is resent several times by OpenBTS transceiver >> application using it's filling table (which is why we see only 1 UA >> frame in OpenBTS trace but multiple of them in the OsmocomBB trace) >> - OsmocomBB had a bug where it was supposed to ignore the extraneous >> UA frame but instead was dropping the connection because of a missing >> "return" inside the switch statement. >> >> Cheers, >> >> Sylvain >> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20130108/fd6bb125/attachment.htm>