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Holger Hans Peter Freyther holger at freyther.deOn Mon, Nov 10, 2014 at 12:16:47PM -0600, Ciaby wrote: > Sometimes osmo-nitb crashes, and our users have reported the fact that sometimes they end up listening to someone's else conversation. ouch! > This started to happen since we enabled handover. > This is the backtrace i got from a core dump of osmo-nitb: > > (gdb) bt Can you please make a "bt full" so we see the values of structures > Any clue about why this is happening? Yes. "abnormal" condition. So somehow conn->subscr = NULL. This means the subscriber was never loaded from the database or what is more likely is that subscr_con_free has been called for the old channel. subscr_name(ho->old_lchan->conn->subscr) is crashing because subscr is 0x0. I wonder about the state of conn and the old_lchan in general. My guess would be that the old_lchan has already failed. holger