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无法让蓝牙在运行 Arch Linux 的 Lenovo ThinkPad T15 Intel Gen 2（Intel Wi-Fi 6E AX210 卡）上工作

tag-icon • tag-icon arch-linux bluetooth intel firmware bluez
无法让蓝牙在运行 Arch Linux 的 Lenovo ThinkPad T15 Intel Gen 2（Intel Wi-Fi 6E AX210 卡）上工作

我希望这里有人可以帮助我在我的 Intel Wi-Fi 6E AX210 卡（Lenovo ThinkPad T15 Intel Gen 2）上使用蓝牙。我通常不会寻求帮助，但我现在已经无计可施了......

有关我的 Arch 配置的基本信息：

uname -r
5.12.8-arch1-1

sudo lsmod | grep bluetooth
bluetooth             724992  16 btrtl,btintel,btbcm,bnep,btusb
ecdh_generic           16384  1 bluetooth
rfkill                 28672  11 nfc,bluetooth,thinkpad_acpi,cfg80211
crc16                  16384  2 bluetooth,ext4

sudo pacman -Q bluez bluez-utils linux-firmware linux-headers
bluez 5.58-1
bluez-utils 5.58-1
linux-firmware 20210511.7685cf4-1
linux-headers 5.12.8.arch1-1

sudo systemctl status bluetooth.service 
● bluetooth.service - Bluetooth service
     Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset: disabled)
     Active: active (running) since Sun 2021-05-30 16:49:39 CEST; 4min 55s ago
     [...]

sudo lsusb
[...]
Bus 003 Device 005: ID 8087:0032 Intel Corp.

sudo rfkill list
0: tpacpi_bluetooth_sw: Bluetooth
        Soft blocked: no
        Hard blocked: no
1: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
[...]

从前面的信息可以看出，我使用的是最新的Linux内核以及最新的Linux固件。我也已经将英特尔最新的官方驱动程序与下面的驱动程序进行了匹配/lib/firmware，它们是相同的。尽管如此，我无法通过sudo bluetoothctl list（没有可用的默认控制器）查看/使用蓝牙适配器。

通常我会怀疑 Linux 固件根本不支持该适配器，但它被列为确认认证支持乌班图和拱门维基也指出了这一点。

据我所见，日志中也没有错误消息：

sudo journalctl | grep hci0
Bluetooth: hci0: Device revision is 0
Bluetooth: hci0: Secure boot is enabled
Bluetooth: hci0: OTP lock is enabled
Bluetooth: hci0: API lock is enabled
Bluetooth: hci0: Debug lock is disabled
Bluetooth: hci0: Minimum firmware build 1 week 10 2014
Bluetooth: hci0: Bootloader timestamp 2019.40 buildtype 1 build 38
Bluetooth: hci0: Found device firmware: intel/ibt-0041-0041.sfi
Bluetooth: hci0: Failed to send firmware data (-38)
Bluetooth: hci0: Intel reset sent to retry FW download
Bluetooth: hci0: Device revision is 0
Bluetooth: hci0: Secure boot is enabled
Bluetooth: hci0: OTP lock is enabled
Bluetooth: hci0: API lock is enabled
Bluetooth: hci0: Debug lock is disabled
Bluetooth: hci0: Minimum firmware build 1 week 10 2014
Bluetooth: hci0: Bootloader timestamp 2019.40 buildtype 1 build 38
Bluetooth: hci0: Found device firmware: intel/ibt-0041-0041.sfi
Bluetooth: hci0: Waiting for firmware download to complete
Bluetooth: hci0: Firmware loaded in 1444061 usecs
Bluetooth: hci0: Waiting for device to boot
Bluetooth: hci0: Device booted in 26828 usecs
Bluetooth: hci0: Found Intel DDC parameters: intel/ibt-0041-0041.ddc
Bluetooth: hci0: Applying Intel DDC parameters completed
Bluetooth: hci0: Firmware timestamp 2021.15 buildtype 1 build 23884

尽管根据日志 ( ) 第一次无法正确加载固件Failed to send firmware data (-38)，但第二次尝试时成功 ( Firmware loaded in 1444061 usecs)。按照这个说法，应该可以吧？

有人有想法还是我没有正确遵循某些内容？

答案1

似乎是 5.11 和 5.13 之间的回归 - 我正在努力缩小范围，请参阅https://bbs.archlinux.org/viewtopic.php?pid=1985787

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