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This topic created in 1161 days ago, the information mentioned may be changed or developed.
系统 Linux Mint 21.1 Vera （ 5.15.0-60-generic ）
电脑待机了一下午，晚上回来就发现蓝牙没了
λ systemctl status bluetooth
○ bluetooth.service - Bluetooth service
Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor pre>
Active: inactive (dead)
Docs: man:bluetoothd(8)
2 月 25 10:54:54 mypc systemd[1]: Condition check resulted in Bluetooth serv>
λ rfkill list
0: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
λ lsusb
Bus 004 Device 002: ID 05e3:0626 Genesys Logic, Inc. USB3.1 Hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 006: ID 0d8c:0014 C-Media Electronics, Inc. Audio Adapter (Unitek Y-247A)
Bus 003 Device 004: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 003 Device 003: ID 05e3:0610 Genesys Logic, Inc. Hub
Bus 003 Device 002: ID 1a81:2039 Holtek Semiconductor, Inc. USB Keyboard
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 002: ID 0b05:1939 ASUSTek Computer, Inc. AURA LED Controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
λ dmesg | grep -i 'blue'
[ 7896.558465] Bluetooth: Core ver 2.22
[ 7896.558481] NET: Registered PF_BLUETOOTH protocol family
[ 7896.558482] Bluetooth: HCI device and connection manager initialized
[ 7896.558484] Bluetooth: HCI socket layer initialized
[ 7896.558486] Bluetooth: L2CAP socket layer initialized
[ 7896.558488] Bluetooth: SCO socket layer initialized
主板自带的 AX200 ，目前 WIFI 还能正常工作。
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1
icepie Feb 25, 2023
systemctl start bluetooth 再看一下报错
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2
lry OP @icepie 没有报错。。
``` ● bluetooth.service - Bluetooth service Loaded: loaded (/lib/systemd/system/bluetooth.service; enabled; vendor preset: enabled) Active: active (running) since Sat 2023-02-25 13:13:24 CST; 54s ago Docs: man:bluetoothd(8) Main PID: 7961 (bluetoothd) Status: "Running" Tasks: 1 (limit: 38259) Memory: 1.8M CPU: 21ms CGroup: /system.slice/bluetooth.service └─7961 /usr/lib/bluetooth/bluetoothd 2 月 25 13:13:24 mypc systemd[1]: Starting Bluetooth service... 2 月 25 13:13:24 mypc bluetoothd[7961]: Bluetooth daemon 5.64 2 月 25 13:13:24 mypc systemd[1]: Started Bluetooth service. 2 月 25 13:13:24 mypc bluetoothd[7961]: Starting SDP server 2 月 25 13:13:24 mypc bluetoothd[7961]: Bluetooth management interface 1.21 initialized ``` |
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3
lry OP 虽然手动 start bluetooth 后 status 正常，但是 bluetooth manager 里还是提示 bluez daemon not running
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4
lry OP @lry #2 我刚重启又试了一次，手动 start 后再看 status 一直重复提示 Condition check resulted in Bluetooth serv>
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5
icepie Feb 25, 2023
bluetoothctl 看看
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6
icepie Feb 25, 2023
https://wiki.archlinux.org/title/Bluetooth 或者参考一下 arch wiki 的蓝牙配置
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8
placeholder Feb 25, 2023
小概率是驱动的问题，
不知道你说的待机是什么状态，休眠，注销还是正常开机没有操作 |
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9
x1596357 Feb 25, 2023
Intel 的蓝牙硬件有个静电消除的 bug 。你把电脑关机，然后长按电源键 10 秒试试。
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10
tangv2 Feb 25, 2023
和我一样 设备管理 - 查看-查看全部隐藏，看一下是不是变透明了 ，重启电脑，不行的话就重下个蓝牙驱动就好了
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11
lry OP @icepie 好的，我看了下，手动 load btusb 这个 module 后，systemctl start bluetooth 后状态显示 running, 之后 bluetoothctl 连上去就出现了里面的 No default controller available 问题，但是 journalctl 没发现里面说的那两个错误。
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12
lry OP @placeholder 正常开机没有操作。
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14
proxychains Feb 25, 2023
歪个楼 (挂牙科看看
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15
AzadCypress Feb 25, 2023 via Android
我上次更新系统后重启蓝牙出问题，wifi 能用，bluetoothctl 也是 no default controller 错误。试了好多方法包括改蓝牙配置文件，重装 btusb module ，重置 BIOS 等
后面用 Windows 启动发现也用不了蓝牙，判断应该是硬件问题。于是淘宝买了块 ax210 ，插上就能用了 |
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16
424778940 Feb 25, 2023
有些蓝牙方案是要 usb 载入固件之后才能用的(对 就是每次开机驱动都要载入固件) 记得之前有些 wwan 卡也是这样
你去研究一下固件问题吧- -... |
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17
wheat0r Feb 26, 2023
热风枪吹一把😂
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