Bonjour xubu1957,
voici le retour des commandes indiquées :
stephan@HP:~$ uname -a; lspci -nnk | grep -iA3 net; lsusb; dmesg | grep -i bluetooth; dmesg | grep -i firmware; lsmod | grep bluetooth
Linux HP 4.15.0-38-generic #41-Ubuntu SMP Wed Oct 10 10:59:38 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 02)
Subsystem: Hewlett-Packard Company Compaq 500B Microtower [103c:2a8c]
Kernel driver in use: r8169
Kernel modules: r8169
04:00.0 Network controller [0280]: Ralink corp. RT3090 Wireless 802.11n 1T/1R PCIe [1814:3090]
Subsystem: Lite-On Communications Inc RT3090 Wireless 802.11n 1T/1R PCIe [11ad:6632]
Kernel driver in use: rt2800pci
Kernel modules: rt2800pci
Bus 001 Device 004: ID 18e3:9103 Fitipower Integrated Technology Inc
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 004: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 003 Device 006: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 003: ID 1c4f:0002 SiGma Micro Keyboard TRACER Gamma Ivory
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
[ 1058.726016] Bluetooth: Core ver 2.22
[ 1058.726050] Bluetooth: HCI device and connection manager initialized
[ 1058.726055] Bluetooth: HCI socket layer initialized
[ 1058.726058] Bluetooth: L2CAP socket layer initialized
[ 1058.726065] Bluetooth: SCO socket layer initialized
[ 1058.881195] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 1058.881197] Bluetooth: BNEP filters: protocol multicast
[ 1058.881202] Bluetooth: BNEP socket layer initialized
[ 1058.908267] Bluetooth: RFCOMM TTY layer initialized
[ 1058.908276] Bluetooth: RFCOMM socket layer initialized
[ 1058.908283] Bluetooth: RFCOMM ver 1.11
[ 1085.621446] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1087.653775] Bluetooth: hci0: command 0x0c3a tx timeout
[ 1089.665854] Bluetooth: hci0: command 0x0c1a tx timeout
[ 1100.626456] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1115.626452] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1130.626457] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1178.623545] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1193.627549] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1208.627563] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1223.627565] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1238.627565] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1253.627577] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1268.627583] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1283.627586] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1298.626584] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1313.629597] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1328.628604] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1343.628609] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1358.627613] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1373.629479] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1388.624624] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1403.626408] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1418.626642] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1433.626633] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1448.626639] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1463.626651] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1478.626651] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1493.624662] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1508.624662] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1523.624736] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1538.623683] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1553.623698] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1568.624691] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1583.622697] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1598.622709] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1613.621721] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1628.621722] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1643.621714] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1658.620726] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1673.620748] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1688.619723] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1703.620731] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1718.619743] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1733.619747] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1748.618752] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1763.617748] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1778.617759] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1793.616770] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1808.616792] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1823.615793] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1838.615784] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1853.615785] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1868.614793] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1883.613811] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1898.613799] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1913.612818] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1928.613811] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1943.610824] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1958.610871] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1973.610833] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 1988.608833] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2003.609742] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2018.609848] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2033.608848] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2048.608903] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2063.610870] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2078.609889] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2093.607890] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2108.610899] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2123.610897] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2138.611026] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2153.612911] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2168.612907] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2183.613900] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2198.611919] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2213.613931] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2228.614923] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2243.614922] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2258.614947] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2273.615932] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2288.614987] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2303.615952] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2318.616957] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2333.616895] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2348.616977] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2363.616970] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2378.616991] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2393.617981] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2408.615055] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2423.613995] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2438.617991] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2453.618005] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2468.618019] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2483.618017] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2498.618030] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2513.620024] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2528.618017] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 2543.618047] Bluetooth: hci0: last event is not cmd complete (0x0f)
[ 4.974135] intel_rng: Firmware space is locked read-only. If you can't or
intel_rng: don't want to disable this in firmware setup, and if
[ 6.955373] ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2860.bin'
[ 6.956763] ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.40
bluetooth 548864 41 btrtl,btintel,btbcm,bnep,btusb,rfcomm
ecdh_generic 24576 1 bluetooth
sudo service bluetooth status
[sudo] Mot de passe de stephan :
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled)
Active: active (running) since Sun 2018-11-11 10:06:05 CET; 59min ago
Docs: man:bluetoothd(8)
Main PID: 3730 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 4662)
CGroup: /system.slice/bluetooth.service
└─3730 /usr/lib/bluetooth/bluetoothd
nov. 11 10:07:57 HP bluetoothd[3730]: Failed to set mode: Blocked through rfkill (0x12)
nov. 11 10:30:56 HP bluetoothd[3730]: Failed to set mode: Busy (0x0a)
nov. 11 10:30:56 HP bluetoothd[3730]: Failed to set mode: Busy (0x0a)
nov. 11 10:43:33 HP bluetoothd[3730]: Endpoint unregistered: sender=:1.123 path=/MediaEndpoint/A2DPSource
nov. 11 10:43:33 HP bluetoothd[3730]: Endpoint unregistered: sender=:1.123 path=/MediaEndpoint/A2DPSink
nov. 11 10:43:34 HP bluetoothd[3730]: LEAdvertisingManager skipped, LE unavailable
nov. 11 10:43:34 HP bluetoothd[3730]: Failed to set mode: Blocked through rfkill (0x12)
nov. 11 10:43:34 HP bluetoothd[3730]: Endpoint registered: sender=:1.123 path=/MediaEndpoint/A2DPSource
nov. 11 10:43:34 HP bluetoothd[3730]: Endpoint registered: sender=:1.123 path=/MediaEndpoint/A2DPSink
nov. 11 10:44:45 HP bluetoothd[3730]: Failed to set mode: Blocked through rfkill (0x12)
stephan@HP:~$ dpkg -l | grep blue
ii bluez 5.48-0ubuntu3.1 amd64 Bluetooth tools and daemons
ii bluez-cups 5.48-0ubuntu3.1 amd64 Bluetooth printer driver for CUPS
ii bluez-obexd 5.48-0ubuntu3.1 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 5.48-0ubuntu3.1 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
et enfin,
stephan@HP:~$ rfkill list all
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci0: Bluetooth
Soft blocked: yes
Hard blocked: no
Merci,
Stéphan