Hi Ordit, > thanks Marcel, > btmon file attached. (both as btmon format and txt) > actually it looks like the BR/EDR connection is initiated by my side, > not the mobile. > #11 LE Connection Complete > #85 done pairing > #138 Create Connection (br/edr) > #263 Disconnection Request (br/edr) > > ** is it possible that bluetoothd might invoke this br/edr connection? > - I was able to reproduce this when running btgatt-server with > bluetoothd running. meaning after pairing I saw creation of br/edr > connection. > - running btgatt-server without bluetoothd in background, br/edr > connection was not observed after pairing. > (in both cases I used btmgmt to verify controller settings are the same ) > > ** in order to reproduce the br/edr connection after pairing, I must > remove credentials from both mobile side and my side. > removing credentials from mobile side only, I can see pairing but > no br/edr connection is created. > thanks again! so bluetoothd is doing a service discovery via BR/EDR and then terminated the L2CAP link used for SDP. However then the remote device / phone terminates the BR/EDR link. They LE link seems not be terminated. Nothing looks bad here. It is a bit of extra traffic, but bluetoothd actually has to learn about the BR/EDR services somehow. Regards Marcel
