[Bug 1435040] Re: Ubuntu Phone (BQ E4.5) does not connect to car-bluetooth

[Simon Fels]

@Andriopoulos: I have some questions to the log file you attached:

* Did you power off Bluetooth at some point through the UI?
* You say "calls" but I only see one call being made in that log file. Can you please describe the exact steps you performed after you powered on your phone?
* What is the exact model of the Car you're using?

>From the log you attached it looks like the HCI controller signals us
that the Bluetooth device wents down so bluez is just reacting on
incoming events and brings everything else also down:

Jul 31 19:39:02 ubuntu-phablet bluetoothd[854]: audio/telephony.c:call_added() /ril_1/voicecall01
Jul 31 19:39:02 ubuntu-phablet bluetoothd[854]: audio/telephony.c:call_new() /ril_1/voicecall01
Jul 31 19:39:02 ubuntu-phablet bluetoothd[854]: audio/telephony.c:call_new() state dialing
Jul 31 19:39:02 ubuntu-phablet bluetoothd[854]: audio/telephony.c:call_new() cli 6944***** (number removed)
Jul 31 19:39:02 ubuntu-phablet bluetoothd[854]: audio/telephony.c:call_new() Multipary False
Jul 31 19:39:02 ubuntu-phablet bluetoothd[854]: audio/telephony.c:call_new() CALL_STATUS_DIALING
Jul 31 19:39:02 ubuntu-phablet bluetoothd[854]: audio/telephony.h:telephony_update_indicator() Telephony indicator "callsetup" 0->2
Jul 31 19:39:02 ubuntu-phablet bluetoothd[854]: audio/telephony.c:handle_network_property_changed() in handle_registration_property_changed(), the property is Strength
Jul 31 19:39:10 ubuntu-phablet bluetoothd[854]: message repeated 2 times: [ audio/telephony.c:handle_network_property_changed() in handle_registration_property_changed(), the property is Strength]
Jul 31 19:39:11 ubuntu-phablet bluetoothd[854]: audio/telephony.c:handle_vc_property_changed() path /ril_1/voicecall01
Jul 31 19:39:11 ubuntu-phablet bluetoothd[854]: audio/telephony.c:handle_vc_property_changed() property State
Jul 31 19:39:11 ubuntu-phablet bluetoothd[854]: audio/telephony.c:handle_vc_property_changed() State alerting
Jul 31 19:39:11 ubuntu-phablet bluetoothd[854]: audio/telephony.h:telephony_update_indicator() Telephony indicator "callsetup" 2->3
Jul 31 19:39:12 ubuntu-phablet bluetoothd[854]: audio/telephony.c:handle_network_property_changed() in handle_registration_property_changed(), the property is Strength
Jul 31 19:39:17 ubuntu-phablet bluetoothd[854]: message repeated 2 times: [ audio/telephony.c:handle_network_property_changed() in handle_registration_property_changed(), the property is Strength]
Jul 31 19:39:19 ubuntu-phablet bluetoothd[854]: audio/telephony.c:handle_vc_property_changed() path /ril_1/voicecall01
Jul 31 19:39:19 ubuntu-phablet bluetoothd[854]: audio/telephony.c:handle_vc_property_changed() property State
Jul 31 19:39:19 ubuntu-phablet bluetoothd[854]: audio/telephony.c:handle_vc_property_changed() State disconnected
Jul 31 19:39:19 ubuntu-phablet bluetoothd[854]: audio/telephony.c:call_free() /ril_1/voicecall01
Jul 31 19:39:19 ubuntu-phablet bluetoothd[854]: audio/telephony.h:telephony_update_indicator() Telephony indicator "callsetup" 3->0
Jul 31 19:39:19 ubuntu-phablet bluetoothd[854]: audio/telephony.c:call_removed() /ril_1/voicecall01
[...]
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: plugins/mgmtops.c:mgmt_event() cond 1
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: plugins/mgmtops.c:mgmt_event() Received 10 bytes from management socket
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: plugins/mgmtops.c:mgmt_new_settings() hci0 new settings
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: src/adapter.c:adapter_remove_connection() 
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: audio/manager.c:state_changed() /org/bluez/854/hci0 powered off
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: audio/telephony.c:telephony_exit() 
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: audio/telephony.c:modem_removed() /ril_1
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: audio/headset.c:telephony_deinit() Telephony deinitialized
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: Adapter /org/bluez/854/hci0 has been disabled
Jul 31 19:39:29 ubuntu-phablet bluetoothd[854]: src/adapter.c:set_mode_complete() 

This pretty much looks to me like problems in the lower communication
layers (HCI, ..) and need more investigation.

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Title:
  Ubuntu Phone (BQ E4.5) does not connect to car-bluetooth

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