我已经安装了 Ubuntu Bionic Beta 2，除了蓝牙之外，其他一切都运行正常。在蓝牙控制面板中，滑块无法移至“开”。
输出rfkill 列表是：
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
输出lspci -knn | grep Net -A3; lsusb; dmesg | grep -i blue是：
03:00.0 Network controller [0280]: Qualcomm Atheros AR9462 Wireless
Network Adapter [168c:0034] (rev 01)
Subsystem: Bigfoot Networks, Inc. Killer Wireless-N 1202 Half-
size Mini PCIe Card [1a56:2003]
Kernel driver in use: ath9k
Kernel modules: ath9k
04:00.0 Ethernet controller [0200]: Qualcomm Atheros QCA8171 Gigabit
Ethernet [1969:10a1] (rev 10)
Bus 002 Device 002: ID 8087:8000 Intel Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 04f2:b414 Chicony Electronics Co., Ltd
Bus 003 Device 003: ID 0cf3:3004 Atheros Communications, Inc.
AR3012 Bluetooth 4.0
Bus 003 Device 002: ID 0b05:17c4 ASUSTek Computer, Inc.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 17.715399] Bluetooth: Core ver 2.22
[ 17.715414] Bluetooth: HCI device and connection manager initialized
[ 17.715416] Bluetooth: HCI socket layer initialized
[ 17.715418] Bluetooth: L2CAP socket layer initialized
[ 17.715422] Bluetooth: SCO socket layer initialized
[ 17.723207] Bluetooth: hci0: don't support firmware rome 0x11020000
[ 18.600648] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 18.600649] Bluetooth: BNEP filters: protocol multicast
[ 18.600651] Bluetooth: BNEP socket layer initialized