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Harald Welte laforge at gnumonks.orgHi Holger, On Sat, Jun 29, 2013 at 09:55:12AM +0200, Holger Hans Peter Freyther wrote: > the "problem" comes from the fact that in case the "BTS" exits, the next > time the BTS restarts it might gets different IP/PORT settings from > the BSC. So what was/is missing is a "gprs_ns_nsip_shutdown" which > will close the old socket and the PCU should look into destroying the > NSVC that got allocated for the old remote. Ah, ok. I was (erroneously) assuming that the PCU would simply exit at the time the connection to osmo-bts drops. This way, it re-spawns and re-initializes nicely when the BTS is sending the next PCU_IF_MSG_INFO_IND. However, I may be writing too much Erlang code in recent days, hence my 'let it exit and re-spawn' attitude ;) > I am attaching two diffs as a proposal (not even compile tested), they > should avoid the race condition. Your patches look fine to me. The new gprs_ns_close() declaration of course would have to go in a libosmogb header file. I can try to test it later today. Regards, Harald -- - Harald Welte <laforge at gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)