Bluetoothを接続できないのはなぜですか?
Debian Test(9.0 Stretch)でBluetoothデバイスを見つけることができますが、他のデバイスに接続できません。 Bluetoothはさまざまなオペレーティングシステムで動作します。 BIOS設定ではワイヤレスが許可されます。
次のパッケージがインストールされます。
- ブルーズファームウェア
- Broadcom-sta-common
- Broadcom-sta-dkms
- Broadcom-sta-ソース
- ファームウェア-brcm80211
- ファームウェアその他無料
$ sudo dmesg | grep -i blue
[ 18.086647] Bluetooth: Core ver 2.22
[ 18.086660] Bluetooth: HCI device and connection manager initialized
[ 18.086663] Bluetooth: HCI socket layer initialized
[ 18.086664] Bluetooth: L2CAP socket layer initialized
[ 18.086668] Bluetooth: SCO socket layer initialized
[ 18.149652] Bluetooth: hci0: BCM: chip id 63
[ 18.165659] Bluetooth: hci0: BCM20702A
[ 18.166653] Bluetooth: hci0: BCM20702A1 (001.002.014) build 0000
[ 18.176624] bluetooth hci0: firmware: failed to load brcm/BCM20702A1-13d3-3404.hcd (-2)
[ 18.176665] bluetooth hci0: Direct firmware load for brcm/BCM20702A1-13d3-3404.hcd failed with error -2
[ 18.176668] Bluetooth: hci0: BCM: Patch brcm/BCM20702A1-13d3-3404.hcd not found
[ 18.553154] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 18.553156] Bluetooth: BNEP filters: protocol multicast
[ 18.553160] Bluetooth: BNEP socket layer initialized
[ 18.574361] Bluetooth: RFCOMM TTY layer initialized
[ 18.574365] Bluetooth: RFCOMM socket layer initialized
[ 18.574368] Bluetooth: RFCOMM ver 1.11
$ lsmod | grep wl
wl 6443008 0
cfg80211 589824 1 wl
$ sudo modprobe -v broadcom-sta-dkms
modprobe: FATAL: Module broadcom-sta-dkms not found in directory /lib/modules/4.9.0-2-amd64
$ sudo dmesg | grep -i blu
[ 18.086647] Bluetooth: Core ver 2.22
[ 18.086660] Bluetooth: HCI device and connection manager initialized
[ 18.086663] Bluetooth: HCI socket layer initialized
[ 18.086664] Bluetooth: L2CAP socket layer initialized
[ 18.086668] Bluetooth: SCO socket layer initialized
[ 18.149652] Bluetooth: hci0: BCM: chip id 63
[ 18.165659] Bluetooth: hci0: BCM20702A
[ 18.166653] Bluetooth: hci0: BCM20702A1 (001.002.014) build 0000
[ 18.176624] bluetooth hci0: firmware: failed to load brcm/BCM20702A1-13d3-3404.hcd (-2)
[ 18.176665] bluetooth hci0: Direct firmware load for brcm/BCM20702A1-13d3-3404.hcd failed with error -2
[ 18.176668] Bluetooth: hci0: BCM: Patch brcm/BCM20702A1-13d3-3404.hcd not found
[ 18.553154] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 18.553156] Bluetooth: BNEP filters: protocol multicast
[ 18.553160] Bluetooth: BNEP socket layer initialized
[ 18.574361] Bluetooth: RFCOMM TTY layer initialized
[ 18.574365] Bluetooth: RFCOMM socket layer initialized
[ 18.574368] Bluetooth: RFCOMM ver 1.11
関連資料:
答え1
Bluetoothファームウェアがありません。
cd /lib/firmware/brcm
sudo wget https://github.com/winterheart/broadcom-bt-firmware/raw/master/brcm/BCM20702A1-13d3-3404.hcd
sudo modprobe -r btusb
sudo modprobe btusb
動作していることを確認してください