0
$ lspci -knn | grep Net -A2; lsusb
07:00.0 Network controller [0280]: Broadcom Limited BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    Subsystem: Foxconn International, Inc. BCM43142 802.11b/g/n [105b:e071]
    Kernel driver in use: wl
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 04f2:b3aa Chicony Electronics Co., Ltd 
Bus 001 Device 003: ID 0489:e062 Foxconn / Hon Hai 
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 0000:3825  
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ rfkill list
0: sony-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: no
1: sony-bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: no
2: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
3: brcmwl-0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
4: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

$ bluetoothctl
[NEW] Controller 0C:84:DC:F3:83:66 omarok [default]
Agent registered
[bluetooth]# power on
Changing power on succeeded
[bluetooth]# agent on
Agent is already registered
[bluetooth]# discoverable on
Changing discoverable on succeeded
[bluetooth]# scan on
Discovery started
[bluetooth]# 

$ sudo service bluetooth status
[sudo] password for omarok: 
● bluetooth.service - Bluetooth service
   Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset
   Active: active (running) since Thu 2018-08-23 17:12:45 +03; 12min ago
     Docs: man:bluetoothd(8)
 Main PID: 1026 (bluetoothd)
   Status: "Running"
    Tasks: 1 (limit: 4521)
   CGroup: /system.slice/bluetooth.service
           └─1026 /usr/lib/bluetooth/bluetoothd

Ağu 23 17:12:45 omarok systemd[1]: Starting Bluetooth service...
Ağu 23 17:12:45 omarok bluetoothd[1026]: Bluetooth daemon 5.48
Ağu 23 17:12:45 omarok bluetoothd[1026]: Starting SDP server
Ağu 23 17:12:45 omarok bluetoothd[1026]: Bluetooth management interface 1.14 ini
Ağu 23 17:12:45 omarok systemd[1]: Started Bluetooth service.
Ağu 23 17:13:16 omarok bluetoothd[1026]: Endpoint registered: sender=:1.83 path=
Ağu 23 17:13:16 omarok bluetoothd[1026]: Endpoint registered: sender=:1.83 path=

$ dmesg | egrep -i 'blue|firm'
[    0.024000] Spectre V2 : Enabling Restricted Speculation for firmware calls
[    1.724237] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS
[   24.178616] Bluetooth: Core ver 2.22
[   24.178636] Bluetooth: HCI device and connection manager initialized
[   24.178639] Bluetooth: HCI socket layer initialized
[   24.178641] Bluetooth: L2CAP socket layer initialized
[   24.178646] Bluetooth: SCO socket layer initialized
[   24.298065] Bluetooth: hci0: BCM: chip id 70
[   24.299056] Bluetooth: hci0: BCM: features 0x06
[   24.315109] Bluetooth: hci0: omarok
[   24.315113] Bluetooth: hci0: BCM (001.001.011) build 0000
[   24.335130] bluetooth hci0: Direct firmware load for brcm/BCM.hcd failed with error -2
[   24.335135] Bluetooth: hci0: BCM: Patch brcm/BCM.hcd not found
[   26.364037] Bluetooth: hci0: command 0x1003 tx timeout
[   27.301827] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   27.301829] Bluetooth: BNEP filters: protocol multicast
[   27.301834] Bluetooth: BNEP socket layer initialized
[   41.024807] audit: type=1400 audit(1535033579.020:72): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=1364 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[   41.048664] audit: type=1400 audit(1535033579.044:73): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=1374 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
[   41.322393] audit: type=1400 audit(1535033579.316:74): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=1737 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[   41.332944] audit: type=1400 audit(1535033579.328:75): apparmor="DENIED" operation="connect" profile="snap.bluez.bluez" name="/run/dbus/system_bus_socket" pid=1374 comm="bluetoothd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[   41.577544] audit: type=1400 audit(1535033579.572:76): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=1754 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[   41.577852] audit: type=1400 audit(1535033579.572:77): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=1753 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
[   41.578016] audit: type=1400 audit(1535033579.572:78): apparmor="DENIED" operation="connect" profile="snap.bluez.bluez" name="/run/dbus/system_bus_socket" pid=1753 comm="bluetoothd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[   41.822852] audit: type=1400 audit(1535033579.816:79): apparmor="DENIED" operation="connect" profile="snap.bluez.obex" name="/run/dbus/system_bus_socket" pid=1784 comm="obexd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[   41.824706] audit: type=1400 audit(1535033579.816:80): apparmor="DENIED" operation="create" profile="snap.bluez.bluez" pid=1783 comm="bluetoothd" family="bluetooth" sock_type="raw" protocol=1 requested_mask="create" denied_mask="create"
[   41.824710] audit: type=1400 audit(1535033579.816:81): apparmor="DENIED" operation="connect" profile="snap.bluez.bluez" name="/run/dbus/system_bus_socket" pid=1783 comm="bluetoothd" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=0
[   58.235583] Bluetooth: RFCOMM TTY layer initialized
[   58.235592] Bluetooth: RFCOMM socket layer initialized
[   58.235597] Bluetooth: RFCOMM ver 1.11
[  101.489821] Bluetooth: hci0: last event is not cmd complete (0x0f)
[  117.613373] Bluetooth: hci0: last event is not cmd complete (0x0f)
[  121.420819] audit: type=1107 audit(1535033660.186:87): pid=997 uid=103 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_method_call"  bus="system" path="/" interface="org.freedesktop.DBus.ObjectManager" member="GetManagedObjects" mask="send" name="org.bluez" pid=2927 label="snap.chromium.chromium" peer_pid=1026 peer_label="unconfined"
[  146.541647] Bluetooth: hci0: last event is not cmd complete (0x0f)

  • And dmesg | egrep -i 'blue|firm' likely shows firmware /brcm/BCM hcd not found – Jeremy31 Aug 23 '18 at 14:33
  • I edited whith dmesg | egrep -i 'blue|firm' – Omar Karman Aug 23 '18 at 14:37

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