每次我打开装有 ubuntu 14.04（与 win 7 双启动）的笔记本电脑时，要么是蓝牙固件无法初始化，要么是 USB 3.0 端口无法初始化。此时蓝牙工作正常，但 USB3.0 无法工作。如果我需要使用其中任何一个，那么我必须重新启动系统。如果蓝牙加载，菜单栏中的 Wifi 图标就会消失。
系统已更新
lsusb给出
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 005: ID 0cf3:3121 Atheros Communications, Inc. Bus 003 Device 002: ID 04f2:b40e Chicony Electronics Co., Ltd Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
编辑：我的笔记本电脑是 hp 15-d103tx
dmesg | grep Blue给出
[ 18.539831] Bluetooth: Core ver 2.17 [ 18.539850] Bluetooth: HCI device and connection manager initialized [ 18.539857] Bluetooth: HCI socket layer initialized [ 18.539861] Bluetooth: L2CAP socket layer initialized [ 18.539865] Bluetooth: SCO socket layer initialized [ 18.573689] Bluetooth: RFCOMM TTY layer initialized [ 18.573698] Bluetooth: RFCOMM socket layer initialized [ 18.573702] Bluetooth: RFCOMM ver 1.11 [ 18.609980] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 18.609983] Bluetooth: BNEP filters: protocol multicast [ 18.609990] Bluetooth: BNEP socket layer initialized
uname -r给出
3.13.0-44-generic
lsb_release -a给出
No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty
答案1
您可能需要将 ath3k 列入黑名单
echo "blacklist ath3k" | sudo tee /etc/modrobe.d/ath3k.conf
重新启动并打开终端，然后输入sudo modprobe ath3k以查看它是否会对您的 USB 3.0 端口产生影响，因为 ath3k 可能会在错误的时间尝试加载固件。