我已经在 askubuntu 上做了几乎所有的事情来使其工作，但我的蓝牙仍然无法启动。
以下是一些额外信息：-
prateek@prateek-HP-Laptop-15-da0xxx:~$ lspci -nnk | grep -iA3 net;lsusb
01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:84a6]
Kernel driver in use: r8169
Kernel modules: r8169
02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:d723]
Subsystem: Hewlett-Packard Company Device [103c:8319]
Kernel driver in use: rtl8723de
Kernel modules: rtl8723de
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0bda:b009 Realtek Semiconductor Corp.
Bus 001 Device 002: ID 05c8:03c7 Cheng Uei Precision Industry Co., Ltd (Foxlink)
prateek@prateek-HP-Laptop-15-da0xxx:~$ dmesg | grep -i blue
[ 16.519650] Bluetooth: Core ver 2.22
[ 16.519669] Bluetooth: HCI device and connection manager initialized
[ 16.519675] Bluetooth: HCI socket layer initialized
[ 16.519678] Bluetooth: L2CAP socket layer initialized
[ 18.976982] Bluetooth: hci0: command 0x1001 tx timeout
[ 27.201269] Bluetooth: hci0: RTL: HCI_OP_READ_LOCAL_VERSION failed (-110)
[ 33.432204] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 33.432205] Bluetooth: BNEP filters: protocol multicast
[ 33.432209] Bluetooth: BNEP socket layer initialized
prateek@prateek-HP-Laptop-15-da0xxx:~$ rfkill list; uname -r; dmesg | egrep -i 'blue|firm'
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
5.3.0-28-generic
[ 0.121399] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 0.198461] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 16.519650] Bluetooth: Core ver 2.22
[ 16.519669] Bluetooth: HCI device and connection manager initialized
[ 16.519675] Bluetooth: HCI socket layer initialized
[ 16.519678] Bluetooth: L2CAP socket layer initialized
[ 16.519681] Bluetooth: SCO socket layer initialized
[ 16.760751] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)
[ 18.976982] Bluetooth: hci0: command 0x1001 tx timeout
[ 19.343858] rtl8723de: Using firmware rtlwifi/rtl8723defw.bin
[ 27.201269] Bluetooth: hci0: RTL: HCI_OP_READ_LOCAL_VERSION failed (-110)
[ 33.432204] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 33.432205] Bluetooth: BNEP filters: protocol multicast
[ 33.432209] Bluetooth: BNEP socket layer initialized
我也尝试过Tekashi Iwai 的蓝牙修复适用于内核 4.15，但它似乎不起作用。