2016款MacBook Pro在Ubuntu 5.19.0-38-generic系统中蓝牙无法使用的求助

各位好，我手头这台2016款MacBook Pro装了Ubuntu 5.19.0-38-generic系统，最近配置蓝牙的时候遇到了大麻烦，试了各种方法都没能让它正常工作，希望有大佬能帮忙排查解决一下！

我把收集到的系统信息和命令输出整理在下面：

硬件、内核及蓝牙/固件相关日志 #

执行命令：

~$ lspci -knn | grep Net -A3; lsusb; uname -r; sudo dmesg | egrep -i 'blue|firm'

输出内容：

02:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4350 802.11ac Wireless Network Adapter [14e4:43a3] (rev 05)

Subsystem: Apple Inc. BCM4350 802.11ac Wireless Network Adapter [106b:0159]

Kernel driver in use: brcmfmac

Kernel modules: brcmfmac

03:00.0 Multimedia controller [0480]: Broadcom Inc. and subsidiaries 720p FaceTime HD Camera [14e4:1570]

Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

5.19.0-38-generic

[    0.140851] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored

[    4.499284] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin (v1.27)

[    4.505154] Bluetooth: Core ver 2.22

[    4.505175] NET: Registered PF_BLUETOOTH protocol family

[    4.505176] Bluetooth: HCI device and connection manager initialized

[    4.505180] Bluetooth: HCI socket layer initialized

[    4.505183] Bluetooth: L2CAP socket layer initialized

[    4.505188] Bluetooth: SCO socket layer initialized

[    4.555994] Bluetooth: HCI UART driver ver 2.3

[    4.556000] Bluetooth: HCI UART protocol H4 registered

[    4.556004] Bluetooth: HCI UART protocol BCSP registered

[    4.556078] Bluetooth: HCI UART protocol LL registered

[    4.556080] Bluetooth: HCI UART protocol ATH3K registered

[    4.556126] Bluetooth: HCI UART protocol Three-wire (H5) registered

[    4.556198] Bluetooth: HCI UART protocol Intel registered

[    4.556309] Bluetooth: HCI UART protocol Broadcom registered

[    4.556331] Bluetooth: HCI UART protocol QCA registered

[    4.556333] Bluetooth: HCI UART protocol AG6XX registered

[    4.556342] Bluetooth: HCI UART protocol Marvell registered

[    4.592829] brcmfmac 0000:02:00.0: Direct firmware load for brcm/brcmfmac4350c2-pcie.Apple Inc.-MacBookPro13,1.bin failed with error -2

[    4.594573] brcmfmac 0000:02:00.0: Direct firmware load for brcm/brcmfmac4350c2-pcie.Apple Inc.-MacBookPro13,1.txt failed with error -2

[    4.594622] brcmfmac 0000:02:00.0: Direct firmware load for brcm/brcmfmac4350c2-pcie.txt failed with error -2

[    4.894444] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4350/5 wl0: Nov 26 2015 03:48:57 version 7.35.180.133 (r602372) FWID 01-c45b39d6

[    5.173460] Bluetooth: BNEP (Ethernet Emulation) ver 1.3

[    5.173466] Bluetooth: BNEP filters: protocol multicast

[    5.173471] Bluetooth: BNEP socket layer initialized

[    6.911096] Bluetooth: hci0: command 0xfc18 tx timeout

[   14.911390] Bluetooth: hci0: BCM: failed to write update baudrate (-110)

[   14.911423] Bluetooth: hci0: Failed to set baudrate

[   16.927338] Bluetooth: hci0: command 0x0c03 tx timeout

[   25.151388] Bluetooth: hci0: BCM: Reset failed (-110)

蓝牙服务状态 #

执行命令：

$ sudo systemctl status bluetooth

输出内容：

bluetooth.service - Bluetooth service

Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; preset: enabled)

Active: active (running) since Sun 2023-04-16 23:09:42 CEST; 27min ago

Docs: man:bluetoothd(8)

Main PID: 620 (bluetoothd)

Status: "Running"

Tasks: 1 (limit: 9288)

Memory: 1.8M

CPU: 64ms

CGroup: /system.slice/bluetooth.service

└─620 /usr/lib/bluetooth/bluetoothd

abr 16 23:09:41 a systemd[1]: Starting Bluetooth service...

abr 16 23:09:41 a systemd[620]: ConfigurationDirectory 'bluetooth' already exists but the mode is different. (File system: 755 ConfigurationDirectoryMode: 555)

abr 16 23:09:42 a bluetoothd[620]: Bluetooth daemon 5.65

abr 16 23:09:42 a systemd[1]: Started Bluetooth service.

abr 16 23:09:42 a bluetoothd[620]: Starting SDP server

abr 16 23:09:42 a bluetoothd[620]: Bluetooth management interface 1.22 initialized

蓝牙工具检测结果 #

1. blueman-adapters

{}$ blueman-adapters

输出：

blueman-adapters 23.39.57 ERROR    Adapter:63 __init__  : No adapter(s) found

2. blueman-manager

{}$ blueman-manager

输出：

blueman-manager 23.41.19 ERROR    Manager:147 on_dbus_name_appeared: Default adapter not found, trying first available.
blueman-manager 23.41.19 ERROR    Manager:151 on_dbus_name_appeared: No adapter(s) found, exiting

3. bluetoothctl

{}$ bluetoothctl

输出：

Agent registered
[bluetooth]# scan on
No default controller available

4. rfkill

{}$ rfkill

输出：

ID TYPE      DEVICE      SOFT      HARD

0 bluetooth hci0   unblocked unblocked

1 wlan      phy0   unblocked unblocked

5. hciconfig

{}$ hciconfig -a hci0

输出：

hci0:   Type: Primary  Bus: UART

BD Address: 00:00:00:00:00:00  ACL MTU: 0:0  SCO MTU: 0:0

DOWN

RX bytes:0 acl:0 sco:0 events:0 errors:0

TX bytes:14 acl:0 sco:0 commands:2 errors:0

Features: 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00

Packet type: DM1 DH1 HV1

Link policy:

Link mode: PERIPHERAL ACCEPT

6. 蓝牙调试模式启动

{}$ sudo /usr/lib/bluetooth/bluetoothd -n -d

输出：

bluetoothd[2961]: Bluetooth daemon 5.65
bluetoothd[2961]: src/main.c:parse_config() parsing /etc/bluetooth/main.conf
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “DiscoverableTimeout” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “AlwaysPairable” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “PairableTimeout” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “Privacy” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “JustWorksRepairing” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “TemporaryTimeout” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “Name” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “Class” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “DeviceID” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “ReverseServiceDiscovery” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have key “RemoteNameRequestRetryDelay” in group “General”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have group “GATT”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have group “GATT”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have group “GATT”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have group “GATT”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have group “AVDTP”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have group “AVDTP”
bluetoothd[2961]: src/main.c:parse_config() Key file does not have group “AdvMon”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “BR”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
bluetoothd[2961]: src/main.c:parse_mode_config() Key file does not have group “LE”
D-Bus setup failed: Name already in use
bluetoothd[2961]: src/main.c:main() Unable to get on D-Bus

真的折腾好久都没搞定，麻烦各位帮忙看看，万分感谢！

备注：内容来源于stack exchange，提问作者BlueFire