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Pablo Neira Ayuso pablo at gnumonks.orgHi Harald! On Mon, Aug 29, 2011 at 09:15:23AM +0200, Harald Welte wrote: > Hi Pablo, > > On Sun, Aug 28, 2011 at 11:36:47PM +0200, Pablo Neira Ayuso wrote: > > > > So the first step would be to add some LOGP messages about which LAPD > > > instances are allocated (or released). This can be used to see if the > > > expected LAPD instances (one on each signalling timeslot) are created > > > or not. > > > > I introduced refcounting in the ->line_update() update path in > > libosmo-abis, which calls the setup function only once (I needed this > > to avoid binding the A-bis over IP socket twice). > > I see. But I believe this is the wrong path to "solve" the problem. > The function is called "update" since it is supposed to be called > multiple times, every time something has changed about the line (e.g. > timeslot configuration). I can recover the ->start() callback that would be called once for A-bis over IP drivers, so I don't need to use line_update() for this. Or add some flag to the lines, so we can know which ones can be updated several times or not. > > Before, the line_update() function was called once per BTS. I'm > > traveling back home, so I didn't have too much time to look in depth, > > but my guess is that this can be related to the problem that Gus is > > reporting. > > With multiple BTS attached to a signle line, there is no other way but > to call the function multiple times. It has to be written with that in > mind. I missed the multiple-BTS-to-single-line setup, I'll send you a patch to fix this situation. Cheers, Pablo