更新：
$ lsusb
Bus 003 Device 002: ID 8087:8000 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f2:b3aa Chicony Electronics Co., Ltd
Bus 001 Device 002: ID 0489:e062 Foxconn / Hon Hai
我无法在终端中获取与蓝牙 Broadcom 43142 无法正常工作
原始问题：
我是 Ubuntu 新手。我在我的 Sony SVF15316SCW (Vaio) 电脑上安装了 Ubuntu 15.10。一切正常，但我的蓝牙无法使用。虽然我打开了蓝牙开关，但我的蓝牙列表中找不到任何蓝牙设备。
当我再次尝试打开蓝牙时，虽然我打开了蓝牙开关，但我却无法得到任何回应。
我尝试寻找解决方案并打印一些消息。
$ uname -a; lspci -nnk | grep -iA2 net; lsusb; dmesg | grep -i bluetooth; dmesg | grep -i firmware; lsmod | grep bluetooth
Linux wangyeming-SVF15316SCW 4.2.0-22-generic #27-Ubuntu SMP Thu Dec 17 22:57:08 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
02:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
Subsystem: Foxconn International, Inc. Device [105b:e071]
Kernel driver in use: wl
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Sony Corporation Device [104d:90be]
Kernel driver in use: r8169
Bus 003 Device 002: ID 8087:8000 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04f2:b3aa Chicony Electronics Co., Ltd
Bus 001 Device 003: ID 0489:e062 Foxconn / Hon Hai
Bus 001 Device 010: ID 2717:0368
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 3.056377] Bluetooth: Core ver 2.20
[ 3.056395] Bluetooth: HCI device and connection manager initialized
[ 3.056400] Bluetooth: HCI socket layer initialized
[ 3.056403] Bluetooth: L2CAP socket layer initialized
[ 3.056409] Bluetooth: SCO socket layer initialized
[ 5.163815] Bluetooth: hci0 command 0x1001 tx timeout
[ 8.194226] Modules linked in: bbswitch(OE) pn544_mei mei_phy pn544 hci nfc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec crct10dif_pclmul snd_hda_core wl(POE) crc32_pclmul snd_hwdep snd_pcm btusb btrtl snd_seq_midi uvcvideo aesni_intel snd_seq_midi_event btbcm aes_x86_64 videobuf2_vmalloc lrw btintel gf128mul videobuf2_memops glue_helper ablk_helper cryptd videobuf2_core bluetooth snd_rawmidi nvidia(POE) v4l2_common cfg80211 snd_seq videodev input_leds joydev media serio_raw snd_seq_device rtsx_pci_ms snd_timer memstick lpc_ich snd shpchp sony_laptop mei_me soundcore mei tpm_crb mac_hid parport_pc ppdev lp parport autofs4 uas usb_storage rtsx_pci_sdmmc i915 ahci psmouse i2c_algo_bit
[ 9.497516] Modules linked in: bbswitch(OE) pn544_mei mei_phy pn544 hci nfc intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec crct10dif_pclmul snd_hda_core wl(POE) crc32_pclmul snd_hwdep snd_pcm btusb btrtl snd_seq_midi uvcvideo aesni_intel snd_seq_midi_event btbcm aes_x86_64 videobuf2_vmalloc lrw btintel gf128mul videobuf2_memops glue_helper ablk_helper cryptd videobuf2_core bluetooth snd_rawmidi nvidia(POE) v4l2_common cfg80211 snd_seq videodev input_leds joydev media serio_raw snd_seq_device rtsx_pci_ms snd_timer memstick lpc_ich snd shpchp sony_laptop mei_me soundcore mei tpm_crb mac_hid parport_pc ppdev lp parport autofs4 uas usb_storage rtsx_pci_sdmmc i915 ahci psmouse i2c_algo_bit
[ 10.000818] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 10.000822] Bluetooth: BNEP filters: protocol multicast
[ 10.000826] Bluetooth: BNEP socket layer initialized
[ 13.159433] Bluetooth: hci0: BCM: Reading local version info failed (-110)
[ 13.164310] Bluetooth: hci0: BCM: chip id 70
[ 13.164317] Bluetooth: hci0: BCM (001.001.011) build 0000
[ 13.168123] bluetooth hci0: Direct firmware load for brcm/BCM.hcd failed with error -2
[ 13.168130] Bluetooth: hci0: BCM: Patch brcm/BCM.hcd not found
[ 15.166288] Bluetooth: hci0 command 0x1003 tx timeout
[ 0.133785] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 1.260860] [Firmware Bug]: ACPI(PEGP) defines _DOD but not _DOS
[ 13.168123] bluetooth hci0: Direct firmware load for brcm/BCM.hcd failed with error -2
bluetooth 516096 10 bnep,btbcm,btrtl,btusb,btintel
和
$ dmesg |grep Bluetooth
[ 3.056377] Bluetooth: Core ver 2.20
[ 3.056395] Bluetooth: HCI device and connection manager initialized
[ 3.056400] Bluetooth: HCI socket layer initialized
[ 3.056403] Bluetooth: L2CAP socket layer initialized
[ 3.056409] Bluetooth: SCO socket layer initialized
[ 5.163815] Bluetooth: hci0 command 0x1001 tx timeout
[ 10.000818] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 10.000822] Bluetooth: BNEP filters: protocol multicast
[ 10.000826] Bluetooth: BNEP socket layer initialized
[ 13.159433] Bluetooth: hci0: BCM: Reading local version info failed (-110)
[ 13.164310] Bluetooth: hci0: BCM: chip id 70
[ 13.164317] Bluetooth: hci0: BCM (001.001.011) build 0000
[ 13.168130] Bluetooth: hci0: BCM: Patch brcm/BCM.hcd not found
[ 15.166288] Bluetooth: hci0 command 0x1003 tx timeout
答案1
使用命令rfkill unblock bluetooth启用蓝牙。您将在设置 -> 蓝牙中找到您的蓝牙设备。