I've started bluetoothd with the debug option. Here's what happens when trying to pair with a bluetooth mouse:
bluetoothd[5497]: src/agent.c:agent_ref() 0x559521027e80: ref=2 bluetoothd[5497]: src/device.c:bonding_request_new() Requesting bonding for E5:5B:67:2A:09:76 bluetoothd[5497]: src/agent.c:agent_ref() 0x559521027e80: ref=3 bluetoothd[5497]: src/agent.c:agent_unref() 0x559521027e80: ref=2 bluetoothd[5497]: src/adapter.c:suspend_discovery() bluetoothd[5497]: src/adapter.c:adapter_bonding_attempt() hci0 bdaddr E5:5B:67:2A:09:76 type 2 io_cap 0x04 bluetoothd[5497]: src/adapter.c:connected_callback() hci0 device E5:5B:67:2A:09:76 connected eir_len 26 bluetoothd[5497]: src/adapter.c:dev_disconnected() Device E5:5B:67:2A:09:76 disconnected, reason 0 bluetoothd[5497]: src/adapter.c:adapter_remove_connection() bluetoothd[5497]: plugins/policy.c:disconnect_cb() reason 0 bluetoothd[5497]: src/adapter.c:bonding_attempt_complete() hci0 bdaddr E5:5B:67:2A:09:76 type 2 status 0xe bluetoothd[5497]: src/device.c:device_bonding_complete() bonding 0x55952102d670 status 0x0e bluetoothd[5497]: src/device.c:device_bonding_failed() status 14 bluetoothd[5497]: src/agent.c:agent_unref() 0x559521027e80: ref=1 bluetoothd[5497]: src/adapter.c:resume_discovery() bluetoothd[5497]: src/adapter.c:pair_device_complete() Failed (0x03) bluetoothd[5497]: src/adapter.c:bonding_attempt_complete() hci0 bdaddr E5:5B:67:2A:09:76 type 2 status 0x3 bluetoothd[5497]: src/device.c:device_bonding_complete() bonding (nil) status 0x03 bluetoothd[5497]: src/device.c:device_bonding_failed() status 3 bluetoothd[5497]: src/adapter.c:resume_discovery() -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1887968 Title: Pairing with bluetooth mice fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1887968/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs