冷启动时蓝牙未启用。Ubuntu 22.04
每次冷启动时，我都必须执行下面的命令
sudo modprobe -r btusb
sudo modprobe btusb
但是如果我因为任何原因重新启动系统，那么它就可以正常工作并且不需要执行命令，而只需在冷启动时执行即可。
lsusb; sudo dmesg | egrep -i 'blue|firm'以下结果
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp. Bluetooth wireless interface
Bus 001 Device 002: ID 04f2:b424 Chicony Electronics Co., Ltd USB2.0 HD UVC WebCam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[sudo] password for krishna:
[ 0.100406] DMAR: [Firmware Bug]: No firmware reserved region can cover this RMRR [0x0000000078800000-0x000000007affffff], contact BIOS vendor for fixes
[ 0.100411] DMAR: [Firmware Bug]: Your BIOS is broken; bad RMRR [0x0000000078800000-0x000000007affffff]
[ 0.185428] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 0.718809] tpm_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/response buffer. [mem 0xfed40000-0xfed4087f flags 0x200] vs fed40080 f80
[ 0.718821] tpm_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/response buffer. [mem 0xfed40000-0xfed4087f flags 0x200] vs fed40080 f80
[ 3.567764] elan_i2c i2c-ELAN1000:00: Elan Touchpad: Module ID: 0x0005, Firmware: 0x0004, Sample: 0x000d, IAP: 0x000a
[ 3.679892] iwlwifi 0000:02:00.0: loaded firmware version 36.ca7b901d.0 8000C-36.ucode op_mode iwlmvm
[ 4.352305] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/skl_dmc_ver1_27.bin (v1.27)
[ 4.518822] Bluetooth: Core ver 2.22
[ 4.518841] NET: Registered PF_BLUETOOTH protocol family
[ 4.518842] Bluetooth: HCI device and connection manager initialized
[ 4.518846] Bluetooth: HCI socket layer initialized
[ 4.518847] Bluetooth: L2CAP socket layer initialized
[ 4.518851] Bluetooth: SCO socket layer initialized
[ 4.655248] Bluetooth: hci0: Bootloader revision 0.0 build 2 week 52 2014
[ 4.660283] Bluetooth: hci0: Device revision is 5
[ 4.660285] Bluetooth: hci0: Secure boot is enabled
[ 4.660287] Bluetooth: hci0: OTP lock is enabled
[ 4.660288] Bluetooth: hci0: API lock is enabled
[ 4.660289] Bluetooth: hci0: Debug lock is disabled
[ 4.660290] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 4.663460] Bluetooth: hci0: Found device firmware: intel/ibt-11-5.sfi
[ 4.757347] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 4.757351] Bluetooth: BNEP filters: protocol multicast
[ 4.757355] Bluetooth: BNEP socket layer initialized
[ 5.757347] Bluetooth: hci0: Failed to send firmware data (-38)
[ 5.757374] Bluetooth: hci0: Intel reset sent to retry FW download
答案1
我最近遇到了同样的问题。我通过禁用解决了这个问题快速启动在我的系统 BIOS 上。