我的 ubuntu 检测不到蓝牙..
这是 lsusb 输出：
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 1058:1110 Western Digital Technologies, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 002: ID 046d:c01d Logitech, Inc. MX510 Optical Mouse
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 002: ID 046d:c318 Logitech, Inc. Illuminated Keyboard
Bus 007 Device 007: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
这是 dmesg 输出：
[ 5525.548037] usb 7-1: new full-speed USB device number 6 using uhci_hcd
[ 5525.797782] usb 7-1: New USB device found, idVendor=0a12, idProduct=0001
[ 5525.797789] usb 7-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 5525.797793] usb 7-1: Product: Bluetooth V2.0 Dongle
[ 5525.797796] usb 7-1: Manufacturer: Bluetooth v2.0
[ 5722.020090] usb 7-1: USB disconnect, device number 6
[ 5728.876037] usb 7-1: new full-speed USB device number 7 using uhci_hcd
[ 5729.125912] usb 7-1: New USB device found, idVendor=0a12, idProduct=0001
[ 5729.125918] usb 7-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 5729.125922] usb 7-1: Product: Bluetooth V2.0 Dongle
[ 5729.125925] usb 7-1: Manufacturer: Bluetooth v2.0
这是 lsmod 输出：
Module Size Used by
btusb 27580 0
rfcomm 53664 12
bnep 18895 2
bluetooth 342208 22 bnep,btusb,rfcomm
nouveau 969577 3
joydev 17101 0
hid_generic 12492 0
usbhid 47070 0
ses 13075 0
hid 87604 2 hid_generic,usbhid
mxm_wmi 12893 1 nouveau
enclosure 14827 1 ses
wmi 18673 2 mxm_wmi,nouveau
snd_hda_codec_realtek 59259 1
video 18903 1 nouveau
ttm 72725 1 nouveau
snd_hda_intel 42730 5
drm_kms_helper 48868 1 nouveau
drm 244037 5 ttm,drm_kms_helper,nouveau
snd_hda_codec 164067 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 13272 1 snd_hda_codec
snd_pcm 85501 3 snd_hda_codec,snd_hda_intel
snd_page_alloc 14230 2 snd_pcm,snd_hda_intel
i2c_algo_bit 13197 1 nouveau
snd_seq_midi 13132 0
gpio_ich 13229 0
snd_seq_midi_event 14475 1 snd_seq_midi
coretemp 13195 0
snd_rawmidi 25135 1 snd_seq_midi
snd_seq 55383 2 snd_seq_midi_event,snd_seq_midi
serio_raw 13230 0
snd_seq_device 14137 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 28584 2 snd_pcm,snd_seq
lpc_ich 16864 0
snd 60939 19 snd_hda_codec_realtek,snd_hwdep,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_seq_midi
ppdev 17391 0
soundcore 12600 1 snd
parport_pc 31981 1
lp 13299 0
mac_hid 13037 0
parport 40836 3 lp,ppdev,parport_pc
usb_storage 48417 0
psmouse 91357 0
r8169 61562 0
mii 13654 1 r8169
这是hcitool dev出来的：
Devices:
在 lightdm 蓝牙处于开启状态
请帮忙