Bluez5 fedora 20

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Fedora 20 includes bluez5 which is rather different from bluez4

When I installed Fedora 20 fresh on a Dell Latitude E6440, I was unable to use bluetooth. The gnome control panel for bluetooth says no adapters are found.

discovering state

  • the spec sheet for a Dell Latitude E6440 says: 
Connect and collaborate effectively with Dell docking solutions,
Bluetooth® 4.0, integrated HD webcam and mobile broadband
options.
  • dmesg says this at boot: 
[   15.477531] IPv6: ADDRCONF(NETDEV_UP): em1: link is not ready
[   15.511068] Bluetooth: Core ver 2.16
[   15.511137] NET: Registered protocol family 31
[   15.511138] Bluetooth: HCI device and connection manager initialized
[   15.511146] Bluetooth: HCI socket layer initialized
[   15.511148] Bluetooth: L2CAP socket layer initialized
[   15.511151] Bluetooth: SCO socket layer initialized
[   15.519542] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   15.519545] Bluetooth: BNEP filters: protocol multicast
[   15.519554] Bluetooth: BNEP socket layer initialized
[   24.948856] fuse init (API version 7.22)
  • systemd says this 
[root@servo ~]# service bluetooth status
Redirecting to /bin/systemctl status  bluetooth.service
bluetooth.service - Bluetooth service
   Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled)
   Active: active (running) since Mon 2014-01-13 09:44:07 PST; 11h ago
     Docs: man:bluetoothd(8)
 Main PID: 1064 (bluetoothd)
   Status: "Running"
   CGroup: /system.slice/bluetooth.service
           └─1064 /usr/libexec/bluetooth/bluetoothd

Jan 13 09:44:07 servo.finninday.net bluetoothd[1064]: Bluetooth daemon 5.13
Jan 13 09:44:07 servo.finninday.net systemd[1]: Started Bluetooth service.
Jan 13 09:44:07 servo.finninday.net bluetoothd[1064]: Starting SDP server
Jan 13 09:44:07 servo.finninday.net bluetoothd[1064]: Bluetooth management interface 1.3 initialized
[root@servo ~]# 
[root@servo ~]# rpm -qa | grep blue
pulseaudio-module-bluetooth-4.0-9.gitf81e3.fc20.x86_64
bluez-libs-5.13-1.fc20.x86_64
bluez-5.13-1.fc20.x86_64
bluez-cups-5.13-1.fc20.x86_64
gnome-bluetooth-libs-3.10.0-1.fc20.x86_64
gnome-bluetooth-3.10.0-1.fc20.x86_64
[root@servo ~]# 
[root@servo ~]# hcitool dev
Devices:

Found this config file: 

/etc/dbus-1/system.d/bluetooth.conf
  • Ahh, my system bios says this

Servo-bios.jpg

Doh. I need to buy a bluetooth adapter.

  • Dell's factory install configuration link was less helpful

http://www.dell.com/support/my-support/ca/en/cabsdt1/Products/

It seems like it would be a good idea to check Dell's records to see what they installed, but the parts list is incomprensible.

after buying a usb bluetooth adapter

hciconfig after pairing with laptop

[root@servo rday]# hciconfig
hci0:	Type: BR/EDR  Bus: USB
	BD Address: 00:02:72:C8:67:96  ACL MTU: 1021:8  SCO MTU: 64:1
	UP RUNNING PSCAN 
	RX bytes:340536 acl:930 sco:0 events:274 errors:0
	TX bytes:24371 acl:184 sco:0 commands:92 errors:0

[root@servo rday]# hciconfig -a
hci0:	Type: BR/EDR  Bus: USB
	BD Address: 00:02:72:C8:67:96  ACL MTU: 1021:8  SCO MTU: 64:1
	UP RUNNING PSCAN 
	RX bytes:27830539 acl:64713 sco:0 events:309 errors:0
	TX bytes:25080 acl:216 sco:0 commands:97 errors:0
	Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
	Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
	Link policy: RSWITCH SNIFF 
	Link mode: SLAVE ACCEPT 
	Name: 'servo.finninday.net'
	Class: 0x1c010c
	Service Classes: Rendering, Capturing, Object Transfer
	Device Class: Computer, Laptop
	HCI Version: 4.0 (0x6)  Revision: 0x1000
	LMP Version: 4.0 (0x6)  Subversion: 0x220e
	Manufacturer: Broadcom Corporation (15)

hcitool

[root@servo rday]# hcitool dev
Devices:
	hci0	00:02:72:C8:67:96

[root@servo rday]# hcitool con
Connections:
	< ACL BC:F5:AC:7E:8B:10 handle 11 state 1 lm MASTER AUTH ENCRYPT 
[root@servo rday]# hcitool rssi BC:F5:AC:7E:8B:10
RSSI return value: 0
[root@servo rday]# hcitool lq BC:F5:AC:7E:8B:10
Link quality: 255
[root@servo rday]# hcitool tpl BC:F5:AC:7E:8B:10
Current transmit power level: 3
[root@servo rday]# hcitool info BC:F5:AC:7E:8B:10
Requesting information ...
	BD Address:  BC:F5:AC:7E:8B:10
	OUI Company: LG Electronics (BC-F5-AC)
	Device Name: Nexus 5
	LMP Version: 4.0 (0x6) LMP Subversion: 0x6109
	Manufacturer: Broadcom Corporation (15)
	Features page 0: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87
		<3-slot packets> <5-slot packets> <encryption> <slot offset> 
		<timing accuracy> <role switch> <sniff mode> <RSSI> 
		<channel quality> <SCO link> <HV2 packets> <HV3 packets> 
		<u-law log> <A-law log> <CVSD> <paging scheme> <power control> 
		<transparent SCO> <broadcast encrypt> <EDR ACL 2 Mbps> 
		<EDR ACL 3 Mbps> <enhanced iscan> <interlaced iscan> 
		<interlaced pscan> <inquiry with RSSI> <extended SCO> 
		<EV4 packets> <EV5 packets> <AFH cap. slave> 
		<AFH class. slave> <LE support> <3-slot EDR ACL> 
		<5-slot EDR ACL> <sniff subrating> <pause encryption> 
		<AFH cap. master> <AFH class. master> <EDR eSCO 2 Mbps> 
		<EDR eSCO 3 Mbps> <3-slot EDR eSCO> <extended inquiry> 
		<LE and BR/EDR> <simple pairing> <encapsulated PDU> 
		<err. data report> <non-flush flag> <LSTO> <inquiry TX power> 
		<EPC> <extended features> 
	Features page 1: 0x03 0x00 0x00 0x00 0x00 0x00 0x00 0x00
	Features page 2: 0x20 0x08 0x00 0x00 0x00 0x00 0x00 0x00
[root@servo rday]#

After pairing my phone and laptop, I can watch the rssi (received signal strength) to see how far my phone is from the laptop:

within 1 foot

[root@servo rday]# hcitool rssi BC:F5:AC:7E:8B:10 
RSSI return value: 0

on the far side of a hotel room

[root@servo rday]# hcitool rssi BC:F5:AC:7E:8B:10 
RSSI return value: -25

after an update on April 21, unable to see bluetooth speakers

Started to get this error when trying to establish connection from fedora laptop to bluetooth speaker: 

Apr 21 15:45:57 servo.finninday.net bluetoothd[1148]: Unable to register device interface for FC:58:FA:D0:5A:64
Apr 21 15:45:57 servo.finninday.net bluetoothd[1148]: Unable to create object for found device FC:58:FA:D0:5A:64

Troubleshooting: 

[root@servo rday]# bluetoothctl
[NEW] Controller 00:02:72:C8:67:96 servo.finninday.net [default]
[NEW] Device D8:EE:53:1A:E1:57 Force
[NEW] Device BC:F5:AC:7E:8B:10 Nexus 5
[CHG] Device D8:EE:53:1A:E1:57 RSSI: -77
[CHG] Device D8:EE:53:1A:E1:57 RSSI: -68
[bluetooth]# 
[bluetooth]# scan on
Discovery started
[CHG] Device D8:EE:53:1A:E1:57 RSSI: -76
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