Hi Marcel >> I am attempting to reconnect to a BLE glucometer with gatttool after >> pairing with bluetoothctl. A quick connection update seems to cause a >> large delay (around a minute) in the transmission of the LL_ENC_REQ. >> >> Description: >> Attempting to connect to an agent which after connecting immediately >> sends an L2CAP update connection parameters request with minimum >> connection interval set to 20 ms, and maximum connection interval set to 40 ms. >> Increasing both values by 100 ms causes the problem to stop being generated. >> >> The problem happens only if the dongle using the Broadcom BCM20702 >> chipset is used, using a CSR8510 A10 dongle I cannot generate this >> issue. I am using BlueZ 5.22, using Linux kernel 3.10.17. The hardware platform is a Utilite. > >try using a 3.17-rc3 kernel. We added storing of the connection parameters. New connections >will then use the previously requested connection parameters when establishing the connection. >Which means the peripheral does not have to request connection updates on every connection. According to the HCI dump I am not using the saved parameters. I see the updated parameters getting saved, but the outgoing connection appears to not be using them. Regards Caleb Reinhold -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
