Bluetooth "crashes" in the sense that I can't establish any Bluetooth
connection anymore, even from a device that was not paired or connected
at the moment the "crash" happened. Only a "sudo service bluetooth
restart" helps.

Therefore my /var/crash/ folder is empty.

I thought that this is the right place to handle such bugs. Who would
have the expertise to help me on that subject then?

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to bluez in Ubuntu.
https://bugs.launchpad.net/bugs/1787571

Title:
  Bluetooth keyboard won't connect again after connection was lost

Status in bluez package in Ubuntu:
  New

Bug description:
  After my Bluetooth keyboard from Logitech (K380) looses its
  connection, either after a Ubuntu restart or by manually turning the
  keyboard off an on, it won't connect any more. Additionally, while the
  keyboard tries to reestablish the connection, my Logitech Bluetooth
  mouse (M590) looses its connection too! After that I can't establish
  any Bluetooth connection at all. Only a "sudo service bluetooth
  restart" helps.

  Then my mouse reconnects easily, if it's not disrupted by my keyboard.
  So I'm only possible to use my mouse and not the keyboard, because
  while it tries to reconnect, it kills the connection of my mouse and
  everything starts over again.

  I've also tried to reconnect the keyboard through "bluetoothctl", but
  without success:

  $ bluetoothctl paired-devices
  Device 34:88:5D:42:7E:03 Keyboard K380
  Device FA:6A:9E:DA:2B:30 M585/M590

  $ bluetoothctl connect 34:88:5D:42:7E:03
  Attempting to connect to 34:88:5D:42:7E:03
  Failed to connect: org.bluez.Error.Failed

  
  Both devices are "trusted":

  $ bluetoothctl info 34:88:5D:42:7E:03
  Device 34:88:5D:42:7E:03 (public)
        Name: Keyboard K380
        Alias: Keyboard K380
        Class: 0x00002540
        Icon: input-keyboard
        Paired: yes
        Trusted: yes
        Blocked: no
        Connected: no
        LegacyPairing: no
        UUID: Service Discovery Serve.. (00001000-0000-1000-8000-00805f9b34fb)
        UUID: Human Interface Device... (00001124-0000-1000-8000-00805f9b34fb)
        UUID: PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
        Modalias: usb:v046DpB342d4200

  $ bluetoothctl info FA:6A:9E:DA:2B:30
  Device FA:6A:9E:DA:2B:30 (random)
        Name: M585/M590
        Alias: M585/M590
        Appearance: 0x03c2
        Icon: input-mouse
        Paired: yes
        Trusted: yes
        Blocked: no
        Connected: yes
        LegacyPairing: no
        UUID: Generic Access Profile    (00001800-0000-1000-8000-00805f9b34fb)
        UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
        UUID: Device Information        (0000180a-0000-1000-8000-00805f9b34fb)
        UUID: Battery Service           (0000180f-0000-1000-8000-00805f9b34fb)
        UUID: Human Interface Device    (00001812-0000-1000-8000-00805f9b34fb)
        UUID: Vendor specific           (00010000-0000-1000-8000-011f2000046d)
        Modalias: usb:v046DpB01Bd0007

  $ bluetoothctl show
  Controller 2C:6F:C9:44:57:E0 (public)
        Name: mir
        Alias: mir
        Class: 0x000c010c
        Powered: yes
        Discoverable: yes
        Pairable: yes
        UUID: Headset AG                (00001112-0000-1000-8000-00805f9b34fb)
        UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
        UUID: Generic Access Profile    (00001800-0000-1000-8000-00805f9b34fb)
        UUID: PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
        UUID: Audio Source              (0000110a-0000-1000-8000-00805f9b34fb)
        UUID: Audio Sink                (0000110b-0000-1000-8000-00805f9b34fb)
        UUID: Headset                   (00001108-0000-1000-8000-00805f9b34fb)
        Modalias: usb:v1D6Bp0246d0532
        Discovering: no

  
  The only way to use my Bluetooth keyboard is to pair it again, f.i. by doing:

  bluetoothctl
  remove XX:XX:XX:XX:XX:XX
  exit
  sudo service bluetooth restart
  bluetoothctl
  scan on
  trust XX:XX:XX:XX:XX:XX
  pair XX:XX:XX:XX:XX:XX
  connect XX:XX:XX:XX:XX:XX 
  exit

  
  This keyboard works flawlessly with my Android device and also on a MacBook 
Pro with macOS. It also worked well with another notebook (Toshiba Satellite 
Pro C850-1HL) from 17.04 to 18.04, which I don't own anymore.

  I've updated my BlueZ stack with ppa:bluetooth/bluez, but reverted
  back by purging it, because it didn't help.

  I also have some debug info FROM LAST WEEK. This was collected after a
  system restart and while the keyboard tried to reestablish the
  connection. At this time my BlueZ packages were from the PPA mentioned
  above:

  $ dpkg -l | grep blue
  ii  bluez                                      5.50-0ubuntu0ppa1              
      amd64        Bluetooth tools and daemons
  ii  bluez-cups                                 5.50-0ubuntu0ppa1              
      amd64        Bluetooth printer driver for CUPS
  ii  bluez-obexd                                5.50-0ubuntu0ppa1              
      amd64        bluez obex daemon
  ii  gir1.2-gnomebluetooth-1.0:amd64            3.28.0-2                       
      amd64        Introspection data for GnomeBluetooth
  ii  gnome-bluetooth                            3.28.0-2                       
      amd64        GNOME Bluetooth tools
  ii  libbluetooth3:amd64                        5.50-0ubuntu0ppa1              
      amd64        Library to use the BlueZ Linux Bluetooth stack
  ii  libgnome-bluetooth13:amd64                 3.28.0-2                       
      amd64        GNOME Bluetooth tools - support library
  ii  pulseaudio-module-bluetooth                1:11.1-1ubuntu7.1              
      amd64        Bluetooth module for PulseAudio sound server

  
  $ systemctl status bluetooth.service
  ● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor 
preset
     Active: active (running) since Thu 2018-08-09 20:35:34 CEST; 1min 10s ago
         Docs: man:bluetoothd(8)
   Main PID: 8838 (bluetoothd)
     Status: "Running"
        Tasks: 1 (limit: 4915)
     CGroup: /system.slice/bluetooth.service
                   └─8838 /usr/lib/bluetooth/bluetoothd

  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:36:11 mir bluetoothd[8838]: Can't get HIDP connection info
  Aug 09 20:36:16 mir bluetoothd[8838]: connect error: Host is down (112)
  Aug 09 20:36:19 mir bluetoothd[8838]: Can't get HIDP connection info
  Aug 09 20:36:25 mir bluetoothd[8838]: connect error: Host is down (112)
  Aug 09 20:36:27 mir bluetoothd[8838]: Can't get HIDP connection info
  Aug 09 20:36:32 mir bluetoothd[8838]: connect error: Host is down (112)

  
  $ dmesg | egrep -i 'blue|firm'
  [    0.028000] Spectre V2 : Enabling Restricted Speculation for firmware calls
  [    0.054097] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
  [    3.581589] [Firmware Bug]: No valid trip found
  [    3.824916] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin 
(v1.1)
  [    5.425149] usb 1-7: Product: Bluetooth Radio 
  [  138.143297] Bluetooth: Core ver 2.22
  [  138.143307] Bluetooth: HCI device and connection manager initialized
  [  138.143314] Bluetooth: HCI socket layer initialized
  [  138.143316] Bluetooth: L2CAP socket layer initialized
  [  138.143319] Bluetooth: SCO socket layer initialized
  [  138.187113] Bluetooth: hci0: rtl: examining hci_ver=07 hci_rev=000b 
lmp_ver=07 lmp_subver=8822
  [  138.187116] Bluetooth: hci0: rtl: loading rtl_bt/rtl8822b_config.bin
  [  138.196987] Bluetooth: hci0: rtl: loading rtl_bt/rtl8822b_fw.bin
  [  138.198093] Bluetooth: hci0: rom_version status=0 version=2
  [  138.198102] Bluetooth: hci0: cfg_sz 14, total size 20270
  [  138.295240] r8822be: Using firmware rtlwifi/rtl8822befw.bin
  [  139.034598] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
  [  139.034599] Bluetooth: BNEP filters: protocol multicast
  [  139.034602] Bluetooth: BNEP socket layer initialized
  [  150.851094] Bluetooth: RFCOMM TTY layer initialized
  [  150.851105] Bluetooth: RFCOMM socket layer initialized
  [  150.851113] Bluetooth: RFCOMM ver 1.11
  [  155.361462] hid-generic 0005:046D:B01B.0002: input,hidraw1: BLUETOOTH HID 
v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  [  357.732864] hid-generic 0005:046D:B01B.0003: input,hidraw1: BLUETOOTH HID 
v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  [  388.610269] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
  [  388.610277] Bluetooth: HIDP socket layer initialized

  
  $ journalctl -b | grep -i bluetooth
  Aug 09 20:32:00 mir kernel: usb 1-7: Product: Bluetooth Radio 
  Aug 09 20:32:00 mir kernel: Bluetooth: Core ver 2.22
  Aug 09 20:32:00 mir kernel: Bluetooth: HCI device and connection manager 
initialized
  Aug 09 20:32:00 mir kernel: Bluetooth: HCI socket layer initialized
  Aug 09 20:32:00 mir kernel: Bluetooth: L2CAP socket layer initialized
  Aug 09 20:32:00 mir kernel: Bluetooth: SCO socket layer initialized
  Aug 09 20:32:01 mir kernel: Bluetooth: hci0: rtl: examining hci_ver=07 
hci_rev=000b lmp_ver=07 lmp_subver=8822
  Aug 09 20:32:01 mir kernel: Bluetooth: hci0: rtl: loading 
rtl_bt/rtl8822b_config.bin
  Aug 09 20:32:01 mir kernel: Bluetooth: hci0: rtl: loading 
rtl_bt/rtl8822b_fw.bin
  Aug 09 20:32:01 mir kernel: Bluetooth: hci0: rom_version status=0 version=2
  Aug 09 20:32:01 mir kernel: Bluetooth: hci0: cfg_sz 14, total size 20270
  Aug 09 20:32:01 mir systemd[1]: Starting Bluetooth service...
  Aug 09 20:32:01 mir bluetoothd[865]: Bluetooth daemon 5.50
  Aug 09 20:32:01 mir bluetoothd[865]: Starting SDP server
  Aug 09 20:32:01 mir systemd[1]: Started Bluetooth service.
  Aug 09 20:32:01 mir systemd[1]: Reached target Bluetooth.
  Aug 09 20:32:01 mir kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3
  Aug 09 20:32:01 mir kernel: Bluetooth: BNEP filters: protocol multicast
  Aug 09 20:32:01 mir kernel: Bluetooth: BNEP socket layer initialized
  Aug 09 20:32:01 mir bluetoothd[865]: Bluetooth management interface 1.14 
initialized
  Aug 09 20:32:01 mir dbus-daemon[825]: [system] Activating via systemd: 
service name='org.freedesktop.hostname1' 
unit='dbus-org.freedesktop.hostname1.service' requested by ':1.8' (uid=0 
pid=865 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
  Aug 09 20:32:02 mir NetworkManager[863]: <info>  [1533839522.1694] Loaded 
device plugin: NMBluezManager 
(/usr/lib/x86_64-linux-gnu/NetworkManager/libnm-device-plugin-bluetooth.so)
  Aug 09 20:32:13 mir bluetoothd[865]: Endpoint registered: sender=:1.83 
path=/MediaEndpoint/A2DPSource
  Aug 09 20:32:13 mir bluetoothd[865]: Endpoint registered: sender=:1.83 
path=/MediaEndpoint/A2DPSink
  Aug 09 20:32:13 mir kernel: Bluetooth: RFCOMM TTY layer initialized
  Aug 09 20:32:13 mir kernel: Bluetooth: RFCOMM socket layer initialized
  Aug 09 20:32:13 mir kernel: Bluetooth: RFCOMM ver 1.11
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir bluetoothd[865]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:32:18 mir kernel: hid-generic 0005:046D:B01B.0002: input,hidraw1: 
BLUETOOTH HID v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  Aug 09 20:35:34 mir sudo[8461]: sojusnik : TTY=pts/0 ; PWD=/home/sojusnik ; 
USER=root ; COMMAND=/usr/sbin/service bluetooth restart
  Aug 09 20:35:34 mir systemd[1]: Stopping Bluetooth service...
  Aug 09 20:35:34 mir bluetoothd[865]: Terminating
  Aug 09 20:35:34 mir bluetoothd[865]: Endpoint unregistered: sender=:1.83 
path=/MediaEndpoint/A2DPSource
  Aug 09 20:35:34 mir bluetoothd[865]: Endpoint unregistered: sender=:1.83 
path=/MediaEndpoint/A2DPSink
  Aug 09 20:35:34 mir dbus-daemon[825]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.83" (uid=1000 pid=2823 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.8" (uid=0 pid=865 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 09 20:35:34 mir dbus-daemon[825]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.83" (uid=1000 pid=2823 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.8" (uid=0 pid=865 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 09 20:35:34 mir dbus-daemon[825]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.83" (uid=1000 pid=2823 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.8" (uid=0 pid=865 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 09 20:35:34 mir dbus-daemon[825]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.83" (uid=1000 pid=2823 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.8" (uid=0 pid=865 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 09 20:35:34 mir dbus-daemon[825]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.83" (uid=1000 pid=2823 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.8" (uid=0 pid=865 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 09 20:35:34 mir dbus-daemon[825]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.83" (uid=1000 pid=2823 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.8" (uid=0 pid=865 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 09 20:35:34 mir bluetoothd[865]: Stopping SDP server
  Aug 09 20:35:34 mir bluetoothd[865]: Exit
  Aug 09 20:35:34 mir systemd[1]: Stopped Bluetooth service.
  Aug 09 20:35:34 mir systemd[1]: Starting Bluetooth service...
  Aug 09 20:35:34 mir bluetoothd[8838]: Bluetooth daemon 5.50
  Aug 09 20:35:34 mir systemd[1]: Started Bluetooth service.
  Aug 09 20:35:34 mir bluetoothd[8838]: Starting SDP server
  Aug 09 20:35:34 mir dbus-daemon[825]: [system] Activating via systemd: 
service name='org.freedesktop.hostname1' 
unit='dbus-org.freedesktop.hostname1.service' requested by ':1.115' (uid=0 
pid=8838 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
  Aug 09 20:35:34 mir bluetoothd[8838]: Bluetooth management interface 1.14 
initialized
  Aug 09 20:35:34 mir bluetoothd[8838]: Endpoint registered: sender=:1.83 
path=/MediaEndpoint/A2DPSource
  Aug 09 20:35:34 mir bluetoothd[8838]: Endpoint registered: sender=:1.83 
path=/MediaEndpoint/A2DPSink
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir bluetoothd[8838]: bt_uhid_send: Invalid argument (22)
  Aug 09 20:35:40 mir kernel: hid-generic 0005:046D:B01B.0003: input,hidraw1: 
BLUETOOTH HID v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  Aug 09 20:36:11 mir bluetoothd[8838]: Can't get HIDP connection info
  Aug 09 20:36:11 mir kernel: Bluetooth: HIDP (Human Interface Emulation) ver 
1.2
  Aug 09 20:36:11 mir kernel: Bluetooth: HIDP socket layer initialized
  Aug 09 20:36:16 mir bluetoothd[8838]: connect error: Host is down (112)
  Aug 09 20:36:19 mir bluetoothd[8838]: Can't get HIDP connection info
  Aug 09 20:36:25 mir bluetoothd[8838]: connect error: Host is down (112)
  Aug 09 20:36:27 mir bluetoothd[8838]: Can't get HIDP connection info
  Aug 09 20:36:32 mir bluetoothd[8838]: connect error: Host is down (112)

  
  I'm currently using Ubuntu 18.04.1 LTS and generated additional information 
by "ubuntu-bug bluez" after I manually turned off and on the keyboard today. 
That was around 11:11:20.

  This is what I've got today:

  $ systemctl status bluetooth.service
  ● bluetooth.service - Bluetooth service
     Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor 
preset
     Active: active (running) since Fri 2018-08-17 11:11:25 CEST; 23s ago
         Docs: man:bluetoothd(8)
   Main PID: 1606 (bluetoothd)
     Status: "Running"
        Tasks: 1 (limit: 4915)
     CGroup: /system.slice/bluetooth.service
                   └─1606 /usr/lib/bluetooth/bluetoothd

  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)

  
  $ dmesg | egrep -i 'blue|firm'
  [    0.028000] Spectre V2 : Enabling Restricted Speculation for firmware calls
  [    0.065827] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
  [    3.510960] [Firmware Bug]: No valid trip found
  [    4.230431] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_01.bin 
(v1.1)
  [    5.033206] usb 1-7: Product: Bluetooth Radio 
  [   23.701490] Bluetooth: Core ver 2.22
  [   23.701505] Bluetooth: HCI device and connection manager initialized
  [   23.701508] Bluetooth: HCI socket layer initialized
  [   23.701510] Bluetooth: L2CAP socket layer initialized
  [   23.701514] Bluetooth: SCO socket layer initialized
  [   23.729117] Bluetooth: hci0: rtl: examining hci_ver=07 hci_rev=000b 
lmp_ver=07 lmp_subver=8822
  [   23.729119] Bluetooth: hci0: rtl: loading rtl_bt/rtl8822b_config.bin
  [   23.730989] Bluetooth: hci0: rtl: loading rtl_bt/rtl8822b_fw.bin
  [   23.734069] Bluetooth: hci0: rom_version status=0 version=2
  [   23.734080] Bluetooth: hci0: cfg_sz 14, total size 20270
  [   23.793293] r8822be: Using firmware rtlwifi/rtl8822befw.bin
  [   24.345399] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
  [   24.345400] Bluetooth: BNEP filters: protocol multicast
  [   24.345403] Bluetooth: BNEP socket layer initialized
  [   37.865457] Bluetooth: RFCOMM TTY layer initialized
  [   37.865464] Bluetooth: RFCOMM socket layer initialized
  [   37.865470] Bluetooth: RFCOMM ver 1.11
  [   37.930185] hid-generic 0005:046D:B01B.0002: input,hidraw1: BLUETOOTH HID 
v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  [ 1859.490599] hid-generic 0005:046D:B01B.0003: input,hidraw1: BLUETOOTH HID 
v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  [ 1961.553116] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 1977.677091] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 1993.549109] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 2009.676112] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 2025.548106] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 2067.531232] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 2089.547109] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 2090.961349] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
  [ 2090.961359] Bluetooth: HIDP socket layer initialized
  [ 2095.401161] input: Keyboard K380 as 
/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:4/0005:046D:B342.0004/input/input33
  [ 2095.401918] hid-generic 0005:046D:B342.0004: input,hidraw1: BLUETOOTH HID 
v42.00 Keyboard [Keyboard K380] on 2c:6f:c9:44:57:e0
  [ 2105.676113] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 2121.548061] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 2132.150496] hid-generic 0005:046D:B01B.0005: input,hidraw2: BLUETOOTH HID 
v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  [ 2141.516155] Bluetooth: hci0: last event is not cmd complete (0x0f)
  [ 6138.782821] hid-generic 0005:046D:B01B.0006: input,hidraw1: BLUETOOTH HID 
v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0

  
  $ journalctl -b | grep -i bluetooth
  Aug 17 09:29:33 mir kernel: usb 1-7: Product: Bluetooth Radio 
  Aug 17 09:29:33 mir kernel: Bluetooth: Core ver 2.22
  Aug 17 09:29:33 mir kernel: Bluetooth: HCI device and connection manager 
initialized
  Aug 17 09:29:33 mir kernel: Bluetooth: HCI socket layer initialized
  Aug 17 09:29:33 mir kernel: Bluetooth: L2CAP socket layer initialized
  Aug 17 09:29:33 mir kernel: Bluetooth: SCO socket layer initialized
  Aug 17 09:29:33 mir kernel: Bluetooth: hci0: rtl: examining hci_ver=07 
hci_rev=000b lmp_ver=07 lmp_subver=8822
  Aug 17 09:29:33 mir kernel: Bluetooth: hci0: rtl: loading 
rtl_bt/rtl8822b_config.bin
  Aug 17 09:29:33 mir kernel: Bluetooth: hci0: rtl: loading 
rtl_bt/rtl8822b_fw.bin
  Aug 17 09:29:33 mir kernel: Bluetooth: hci0: rom_version status=0 version=2
  Aug 17 09:29:33 mir kernel: Bluetooth: hci0: cfg_sz 14, total size 20270
  Aug 17 09:29:34 mir systemd[1]: Starting Bluetooth service...
  Aug 17 09:29:34 mir bluetoothd[774]: Bluetooth daemon 5.50
  Aug 17 09:29:34 mir systemd[1]: Started Bluetooth service.
  Aug 17 09:29:34 mir systemd[1]: Reached target Bluetooth.
  Aug 17 09:29:34 mir kernel: Bluetooth: BNEP (Ethernet Emulation) ver 1.3
  Aug 17 09:29:34 mir kernel: Bluetooth: BNEP filters: protocol multicast
  Aug 17 09:29:34 mir kernel: Bluetooth: BNEP socket layer initialized
  Aug 17 09:29:34 mir bluetoothd[774]: Starting SDP server
  Aug 17 09:29:34 mir bluetoothd[774]: Bluetooth management interface 1.14 
initialized
  Aug 17 09:29:34 mir dbus-daemon[806]: [system] Activating via systemd: 
service name='org.freedesktop.hostname1' 
unit='dbus-org.freedesktop.hostname1.service' requested by ':1.1' (uid=0 
pid=774 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
  Aug 17 09:29:34 mir NetworkManager[825]: <info>  [1534490974.6916] Loaded 
device plugin: NMBluezManager 
(/usr/lib/x86_64-linux-gnu/NetworkManager/libnm-device-plugin-bluetooth.so)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: Endpoint registered: sender=:1.78 
path=/MediaEndpoint/A2DPSource
  Aug 17 09:29:47 mir bluetoothd[774]: Endpoint registered: sender=:1.78 
path=/MediaEndpoint/A2DPSink
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir kernel: Bluetooth: RFCOMM TTY layer initialized
  Aug 17 09:29:47 mir kernel: Bluetooth: RFCOMM socket layer initialized
  Aug 17 09:29:47 mir kernel: Bluetooth: RFCOMM ver 1.11
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir bluetoothd[774]: bt_uhid_send: Invalid argument (22)
  Aug 17 09:29:47 mir kernel: hid-generic 0005:046D:B01B.0002: input,hidraw1: 
BLUETOOTH HID v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  Aug 17 09:59:43 mir sudo[24501]: sojusnik : TTY=pts/0 ; PWD=/home/sojusnik ; 
USER=root ; COMMAND=/usr/sbin/ppa-purge ppa:bluetooth/bluez
  Aug 17 10:00:04 mir bluetoothd[774]: Terminating
  Aug 17 10:00:04 mir systemd[1]: Stopping Bluetooth service...
  Aug 17 10:00:05 mir bluetoothd[774]: Endpoint unregistered: sender=:1.78 
path=/MediaEndpoint/A2DPSource
  Aug 17 10:00:05 mir bluetoothd[774]: Endpoint unregistered: sender=:1.78 
path=/MediaEndpoint/A2DPSink
  Aug 17 10:00:05 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.1" (uid=0 pid=774 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:00:05 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.1" (uid=0 pid=774 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:00:05 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.1" (uid=0 pid=774 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:00:05 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.1" (uid=0 pid=774 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:00:05 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.1" (uid=0 pid=774 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:00:05 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.1" (uid=0 pid=774 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:00:05 mir bluetoothd[774]: Stopping SDP server
  Aug 17 10:00:05 mir bluetoothd[774]: Exit
  Aug 17 10:00:05 mir systemd[1]: Stopped Bluetooth service.
  Aug 17 10:00:05 mir systemd[1]: Starting Bluetooth service...
  Aug 17 10:00:05 mir bluetoothd[31504]: Bluetooth daemon 5.48
  Aug 17 10:00:05 mir systemd[1]: Started Bluetooth service.
  Aug 17 10:00:05 mir bluetoothd[31504]: Starting SDP server
  Aug 17 10:00:05 mir bluetoothd[31504]: Bluetooth management interface 1.14 
initialized
  Aug 17 10:00:05 mir dbus-daemon[806]: [system] Activating via systemd: 
service name='org.freedesktop.hostname1' 
unit='dbus-org.freedesktop.hostname1.service' requested by ':1.140' (uid=0 
pid=31504 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
  Aug 17 10:00:05 mir bluetoothd[31504]: Endpoint registered: sender=:1.78 
path=/MediaEndpoint/A2DPSource
  Aug 17 10:00:05 mir bluetoothd[31504]: Endpoint registered: sender=:1.78 
path=/MediaEndpoint/A2DPSink
  Aug 17 10:00:08 mir bluetoothd[31504]: bt_uhid_send: Invalid argument (22)
  Aug 17 10:00:08 mir bluetoothd[31504]: bt_uhid_send: Invalid argument (22)
  Aug 17 10:00:08 mir bluetoothd[31504]: bt_uhid_send: Invalid argument (22)
  Aug 17 10:00:09 mir kernel: hid-generic 0005:046D:B01B.0003: input,hidraw1: 
BLUETOOTH HID v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  Aug 17 10:01:18 mir sudo[31605]: sojusnik : TTY=pts/0 ; PWD=/home/sojusnik ; 
USER=root ; COMMAND=/usr/sbin/service bluetooth restart
  Aug 17 10:01:18 mir bluetoothd[31504]: Terminating
  Aug 17 10:01:18 mir systemd[1]: Stopping Bluetooth service...
  Aug 17 10:01:18 mir bluetoothd[31504]: Endpoint unregistered: sender=:1.78 
path=/MediaEndpoint/A2DPSource
  Aug 17 10:01:18 mir bluetoothd[31504]: Endpoint unregistered: sender=:1.78 
path=/MediaEndpoint/A2DPSink
  Aug 17 10:01:18 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.140" (uid=0 pid=31504 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:01:18 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.140" (uid=0 pid=31504 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:01:18 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.140" (uid=0 pid=31504 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:01:18 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.140" (uid=0 pid=31504 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:01:18 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.140" (uid=0 pid=31504 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:01:18 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.140" (uid=0 pid=31504 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 10:01:18 mir bluetoothd[31504]: Stopping SDP server
  Aug 17 10:01:18 mir bluetoothd[31504]: Exit
  Aug 17 10:01:18 mir systemd[1]: Stopped Bluetooth service.
  Aug 17 10:01:18 mir systemd[1]: Starting Bluetooth service...
  Aug 17 10:01:18 mir bluetoothd[31615]: Bluetooth daemon 5.48
  Aug 17 10:01:18 mir systemd[1]: Started Bluetooth service.
  Aug 17 10:01:18 mir bluetoothd[31615]: Starting SDP server
  Aug 17 10:01:18 mir dbus-daemon[806]: [system] Activating via systemd: 
service name='org.freedesktop.hostname1' 
unit='dbus-org.freedesktop.hostname1.service' requested by ':1.143' (uid=0 
pid=31615 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
  Aug 17 10:01:18 mir bluetoothd[31615]: Bluetooth management interface 1.14 
initialized
  Aug 17 10:01:18 mir bluetoothd[31615]: Endpoint registered: sender=:1.78 
path=/MediaEndpoint/A2DPSource
  Aug 17 10:01:18 mir bluetoothd[31615]: Endpoint registered: sender=:1.78 
path=/MediaEndpoint/A2DPSink
  Aug 17 10:01:45 mir dbus-daemon[2536]: [session uid=1000 pid=2536] Activating 
via systemd: service name='org.bluez.obex' unit='dbus-org.bluez.obex.service' 
requested by ':1.122' (uid=1000 pid=31711 comm="gnome-control-center bluetooth 
" label="unconfined")
  Aug 17 10:01:45 mir systemd[2510]: Starting Bluetooth OBEX service...
  Aug 17 10:01:45 mir systemd[2510]: Started Bluetooth OBEX service.
  Aug 17 10:01:51 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:02:07 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:02:23 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:02:39 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:02:55 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:03:37 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:03:59 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:04:00 mir bluetoothd[31615]: Can't get HIDP connection info
  Aug 17 10:04:00 mir kernel: Bluetooth: HIDP (Human Interface Emulation) ver 
1.2
  Aug 17 10:04:00 mir kernel: Bluetooth: HIDP socket layer initialized
  Aug 17 10:04:04 mir kernel: input: Keyboard K380 as 
/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:4/0005:046D:B342.0004/input/input33
  Aug 17 10:04:04 mir kernel: hid-generic 0005:046D:B342.0004: input,hidraw1: 
BLUETOOTH HID v42.00 Keyboard [Keyboard K380] on 2c:6f:c9:44:57:e0
  Aug 17 10:04:05 mir /usr/lib/gdm3/gdm-x-session[2528]: (**) Option 
"config_info" 
"udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:4/0005:046D:B342.0004/input/input33/event18"
  Aug 17 10:04:05 mir upowerd[2286]: unhandled action 'bind' on 
/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:4/0005:046D:B342.0004
  Aug 17 10:04:05 mir upowerd[2286]: treating change event as add on 
/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:4/0005:046D:B342.0004/power_supply/hid-34:88:5d:42:7e:03-battery
  Aug 17 10:04:15 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:04:31 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 10:04:39 mir bluetoothd[31615]: No cache for FA:6A:9E:DA:2B:32
  Aug 17 10:04:41 mir kernel: hid-generic 0005:046D:B01B.0005: input,hidraw2: 
BLUETOOTH HID v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0
  Aug 17 10:04:51 mir kernel: Bluetooth: hci0: last event is not cmd complete 
(0x0f)
  Aug 17 11:10:19 mir upowerd[2286]: unhandled action 'unbind' on 
/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/bluetooth/hci0/hci0:4/0005:046D:B342.0004
  Aug 17 11:11:24 mir sudo[1596]: sojusnik : TTY=pts/0 ; PWD=/home/sojusnik ; 
USER=root ; COMMAND=/usr/sbin/service bluetooth restart
  Aug 17 11:11:24 mir bluetoothd[31615]: Terminating
  Aug 17 11:11:24 mir systemd[1]: Stopping Bluetooth service...
  Aug 17 11:11:24 mir bluetoothd[31615]: Endpoint unregistered: sender=:1.78 
path=/MediaEndpoint/A2DPSource
  Aug 17 11:11:24 mir bluetoothd[31615]: Endpoint unregistered: sender=:1.78 
path=/MediaEndpoint/A2DPSink
  Aug 17 11:11:24 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.143" (uid=0 pid=31615 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 11:11:24 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.143" (uid=0 pid=31615 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 11:11:24 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.143" (uid=0 pid=31615 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 11:11:24 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.bluez.MediaEndpoint1.Error.NotImplemented" requested_reply="0" 
destination=":1.143" (uid=0 pid=31615 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 11:11:24 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.143" (uid=0 pid=31615 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 11:11:24 mir dbus-daemon[806]: [system] Rejected send message, 1 
matched rules; type="error", sender=":1.78" (uid=1000 pid=2691 
comm="/usr/bin/pulseaudio --start --log-target=syslog " label="unconfined") 
interface="(unset)" member="(unset)" error 
name="org.freedesktop.DBus.Error.UnknownMethod" requested_reply="0" 
destination=":1.143" (uid=0 pid=31615 comm="/usr/lib/bluetooth/bluetoothd " 
label="unconfined")
  Aug 17 11:11:25 mir bluetoothd[31615]: Stopping SDP server
  Aug 17 11:11:25 mir bluetoothd[31615]: Exit
  Aug 17 11:11:25 mir systemd[1]: Stopped Bluetooth service.
  Aug 17 11:11:25 mir systemd[1]: Starting Bluetooth service...
  Aug 17 11:11:25 mir bluetoothd[1606]: Bluetooth daemon 5.48
  Aug 17 11:11:25 mir systemd[1]: Started Bluetooth service.
  Aug 17 11:11:25 mir bluetoothd[1606]: Starting SDP server
  Aug 17 11:11:25 mir bluetoothd[1606]: Bluetooth management interface 1.14 
initialized
  Aug 17 11:11:25 mir dbus-daemon[806]: [system] Activating via systemd: 
service name='org.freedesktop.hostname1' 
unit='dbus-org.freedesktop.hostname1.service' requested by ':1.150' (uid=0 
pid=1606 comm="/usr/lib/bluetooth/bluetoothd " label="unconfined")
  Aug 17 11:11:25 mir bluetoothd[1606]: Endpoint registered: sender=:1.78 
path=/MediaEndpoint/A2DPSource
  Aug 17 11:11:25 mir bluetoothd[1606]: Endpoint registered: sender=:1.78 
path=/MediaEndpoint/A2DPSink
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir bluetoothd[1606]: bt_uhid_send: Invalid argument (22)
  Aug 17 11:11:28 mir kernel: hid-generic 0005:046D:B01B.0006: input,hidraw1: 
BLUETOOTH HID v0.07 Keyboard [M585/M590] on 2C:6F:C9:44:57:E0

  
  Hoping for your help!

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: bluez 5.48-0ubuntu3.1
  ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
  Uname: Linux 4.15.0-32-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Fri Aug 17 11:14:18 2018
  InstallationDate: Installed on 2018-08-02 (14 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
(20180725)
  InterestingModules: rfcomm bnep btusb bluetooth
  MachineType: HP HP ProBook 430 G5
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-32-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
  SourcePackage: bluez
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/30/2018
  dmi.bios.vendor: HP
  dmi.bios.version: Q85 Ver. 01.02.04
  dmi.board.name: 8377
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 02.2A.00
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.modalias: 
dmi:bvnHP:bvrQ85Ver.01.02.04:bd01/30/2018:svnHP:pnHPProBook430G5:pvr:rvnHP:rn8377:rvrKBCVersion02.2A.00:cvnHP:ct10:cvr:
  dmi.product.family: 103C_5336AN HP ProBook
  dmi.product.name: HP ProBook 430 G5
  dmi.sys.vendor: HP
  hciconfig:
   hci0:        Type: Primary  Bus: USB
        BD Address: 2C:6F:C9:44:57:E0  ACL MTU: 1021:8  SCO MTU: 255:16
        UP RUNNING PSCAN ISCAN 
        RX bytes:1798480 acl:99293 sco:0 events:858 errors:0
        TX bytes:42219 acl:222 sco:0 commands:466 errors:0
  mtime.conffile..etc.bluetooth.main.conf: 2018-08-09T00:14:52.501713

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