Merci Xubu1957.
Effectivement, j'avais parlé de mon souci de carte bluetooth dans le message que tu as mentionné. Quelle mémoire !
Voici ce que j'obtiens avec les commandes que tu as demandées :
laumat@laumat-X550CC:~$ uname -a; lspci -nnk | grep -iA3 net; lsusb; dmesg | grep -i bluetooth; dmesg | grep -i firmware; lsmod | grep bluetooth
Linux laumat-X550CC 4.15.0-108-generic #109-Ubuntu SMP Fri Jun 19 11:33:10 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
03:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
Subsystem: Lite-On Communications Inc BCM43142 802.11b/g/n [11ad:6605]
Kernel driver in use: wl
Kernel modules: wl
--
04:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0a)
Subsystem: ASUSTeK Computer Inc. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1043:200f]
Kernel driver in use: r8169
Kernel modules: r8169
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:b40a Chicony Electronics Co., Ltd
Bus 001 Device 003: ID 04ca:2006 Lite-On Technology Corp. Broadcom BCM43142A0 Bluetooth Device
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 009: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 67.646309] Bluetooth: Core ver 2.22
[ 67.646325] Bluetooth: HCI device and connection manager initialized
[ 67.646328] Bluetooth: HCI socket layer initialized
[ 67.646330] Bluetooth: L2CAP socket layer initialized
[ 67.646335] Bluetooth: SCO socket layer initialized
[ 67.886687] Modules linked in: snd_seq i915(+) snd_seq_device snd_timer bluetooth mxm_wmi mei_me mei input_leds serio_raw rtsx_pci_ms snd memstick ttm drm_kms_helper lpc_ich ecdh_generic soundcore cfg80211 drm mac_hid shpchp video wmi asus_wireless i2c_algo_bit fb_sys_fops syscopyarea sysfillrect sysimgblt sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 rtsx_pci_sdmmc psmouse ahci r8169 libahci rtsx_pci mii
[ 68.398768] Bluetooth: hci1: BCM: chip id 70
[ 68.399733] Bluetooth: hci1: BCM: features 0x06
[ 68.415752] Bluetooth: hci1: BCM43142A
[ 68.415759] Bluetooth: hci1: BCM (001.001.011) build 0000
[ 68.462950] bluetooth hci1: Direct firmware load for brcm/BCM.hcd failed with error -2
[ 68.462966] Bluetooth: hci1: BCM: Patch brcm/BCM.hcd not found
[ 70.492008] Bluetooth: hci1: command 0x1003 tx timeout
[ 70.493726] Bluetooth: hci1: unexpected event for opcode 0x1003
[ 137.877055] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 137.877056] Bluetooth: BNEP filters: protocol multicast
[ 137.877060] Bluetooth: BNEP socket layer initialized
[ 141.564128] Bluetooth: hci1: command 0x1003 tx timeout
[ 141.565268] Bluetooth: hci1: unexpected event for opcode 0x1003
[ 161.069350] Bluetooth: RFCOMM TTY layer initialized
[ 161.069358] Bluetooth: RFCOMM socket layer initialized
[ 161.069363] Bluetooth: RFCOMM ver 1.11
[ 0.046345] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.196175] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 2.315722] psmouse serio4: elantech: assuming hardware version 4 (with firmware version 0x461f15)
[ 68.462950] bluetooth hci1: Direct firmware load for brcm/BCM.hcd failed with error -2
[ 808.893968] nouveau 0000:01:00.0: Direct firmware load for nouveau/nvd7_fuc084 failed with error -2
[ 808.893976] nouveau 0000:01:00.0: Direct firmware load for nouveau/nvd7_fuc084d failed with error -2
[ 808.893977] nouveau 0000:01:00.0: msvld: unable to load firmware data
bluetooth 548864 72 btrtl,btintel,btbcm,bnep,btusb,rfcomm
ecdh_generic 24576 3 bluetooth
laumat@laumat-X550CC:~$ sudo service bluetooth status
[sudo] Mot de passe de laumat :
● bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset
Active: active (running) since Wed 2020-07-08 11:45:44 CEST; 7h ago
Docs: man:bluetoothd(8)
Main PID: 1141 (bluetoothd)
Status: "Running"
Tasks: 1 (limit: 4915)
CGroup: /system.slice/bluetooth.service
└─1141 /usr/lib/bluetooth/bluetoothd
juil. 08 12:49:12 laumat-X550CC bluetoothd[1141]: Endpoint registered: sender=:1
juil. 08 12:49:12 laumat-X550CC bluetoothd[1141]: Endpoint registered: sender=:1
juil. 08 18:11:02 laumat-X550CC bluetoothd[1141]: Endpoint unregistered: sender=
juil. 08 18:11:02 laumat-X550CC bluetoothd[1141]: Endpoint unregistered: sender=
juil. 08 18:11:05 laumat-X550CC bluetoothd[1141]: Endpoint registered: sender=:1
juil. 08 18:11:05 laumat-X550CC bluetoothd[1141]: Endpoint registered: sender=:1
juil. 08 18:13:15 laumat-X550CC bluetoothd[1141]: Endpoint unregistered: sender=
juil. 08 18:13:15 laumat-X550CC bluetoothd[1141]: Endpoint unregistered: sender=
juil. 08 18:13:54 laumat-X550CC bluetoothd[1141]: Endpoint registered: sender=:1
juil. 08 18:13:54 laumat-X550CC bluetoothd[1141]: Endpoint registered: sender=:1
lines 1-20/20 (END)
laumat@laumat-X550CC:~$ dpkg -l | grep blue
dpkg-query: avertissement: analyse du fichier '/var/lib/dpkg/status' vers la ligne 42884 paquet 'tomtomsportsconnect' :
maintainer manque
ii blueman 2.0.5-1ubuntu1 amd64 Graphical bluetooth manager
ii bluez 5.48-0ubuntu3.4 amd64 Bluetooth tools and daemons
ii bluez-cups 5.48-0ubuntu3.4 amd64 Bluetooth printer driver for CUPS
ii bluez-obexd 5.48-0ubuntu3.4 amd64 bluez obex daemon
ii gir1.2-gnomebluetooth-1.0:amd64 3.28.0-2ubuntu0.2 amd64 Introspection data for GnomeBluetooth
ii gnome-bluetooth 3.28.0-2ubuntu0.2 amd64 GNOME Bluetooth tools
ii indicator-bluetooth 0.0.6+17.10.20170605-0ubuntu3 amd64 System bluetooth indicator.
ii libbluetooth3:amd64 5.48-0ubuntu3.4 amd64 Library to use the BlueZ Linux Bluetooth stack
ii libgnome-bluetooth13:amd64 3.28.0-2ubuntu0.2 amd64 GNOME Bluetooth tools - support library
ii pulseaudio-module-bluetooth 1:11.1-1ubuntu7.8 amd64 Bluetooth module for PulseAudio sound server
laumat@laumat-X550CC:~$ rfkill list all
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: no
3: hci1: Bluetooth
Soft blocked: no
Hard blocked: no
10: hci0: Bluetooth
Soft blocked: no
Hard blocked: no