在 Ubuntu 14.04中,无线蓝牙不工作

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问题

笔记本电脑是sony VPCEH15EN,在Ubuntu 14.04不工作。

下面是输出 sudo lshw -C network


*-network 


 description: Wireless interface


 product: AR9285 Wireless Network Adapter (PCI-Express)


 vendor: Qualcomm Atheros


 physical id: 0


 bus info: pci@0000:07:00.0


 logical name: wlan0


 version: 01


 serial: cc:af:78:b3:e5:0f


 width: 64 bits


 clock: 33MHz


 capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless


 configuration: broadcast=yes driver=ath9k driverversion=3.13.0-24-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11bgn


 resources: irq:16 memory:92500000-9250ffff


 *-network


 description: Ethernet interface


 product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller


 vendor: Realtek Semiconductor Co., Ltd.


 physical id: 0


 bus info: pci@0000:13:00.0


 logical name: eth0


 version: 06


 serial: 78:84:3c:e7:0f:5a


 size: 10Mbit/s


 capacity: 1Gbit/s


 width: 64 bits


 clock: 33MHz


 capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation


 configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl_nic/rtl8168e-2.fw latency=0 link=no multicast=yes port=MII speed=10Mbit/s


 resources: irq:41 ioport:2000(size=256) memory:91404000-91404fff memory:91400000-91403fff


 *-network


 description: Ethernet interface


 physical id: 1


 logical name: wwan0


 serial: fe:66:3d:53:82:83


 capabilities: ethernet physical


 configuration: broadcast=yes driver=qmi_wwan driverversion=22-Aug-2005 firmware=WWAN/QMI device ip=10.49.48.237 link=yes multicast=yes



lspci的输出


00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)


00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)


00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)


00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)


00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)


00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)


00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)


00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b4)


00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)


00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 04)


00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04)


00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 04)


07:00.0 Network controller: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) (rev 01)


0d:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader (rev 01)


13:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06)



ifconfig的输出


eth0 Link encap:Ethernet HWaddr 78:84:3c:e7:0f:5a 


 UP BROADCAST MULTICAST MTU:1500 Metric:1


 RX packets:0 errors:0 dropped:0 overruns:0 frame:0


 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0


 collisions:0 txqueuelen:1000 


 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)



lo Link encap:Local Loopback 


 inet addr:127.0.0.1 Mask:255.0.0.0


 inet6 addr: ::1/128 Scope:Host


 UP LOOPBACK RUNNING MTU:65536 Metric:1


 RX packets:491 errors:0 dropped:0 overruns:0 frame:0


 TX packets:491 errors:0 dropped:0 overruns:0 carrier:0


 collisions:0 txqueuelen:0 


 RX bytes:52829 (52.8 KB) TX bytes:52829 (52.8 KB)



wlan0 Link encap:Ethernet HWaddr cc:af:78:b3:e5:0f 


 UP BROADCAST MULTICAST MTU:1500 Metric:1


 RX packets:0 errors:0 dropped:0 overruns:0 frame:0


 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0


 collisions:0 txqueuelen:1000 


 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)



下面是lsusb的输出


Bus 002 Device 006: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse


Bus 002 Device 005: ID 8564:1000 


Bus 002 Device 004: ID 0b38:0010 Gear Head 107-Key Keyboard


Bus 002 Device 008: ID 12d1:1436 Huawei Technologies Co., Ltd. E173 3G Modem (modem-mode)


Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub


Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


Bus 001 Device 004: ID 0cf3:3005 Atheros Communications, Inc. AR3011 Bluetooth


Bus 001 Device 003: ID 064e:a302 Suyin Corp. 


Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub


Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub




答案1

检查你的dmesg日志:


dmesg | grep -i blue



在例子中,我有一个缺少固件的问题:


$ dmesg | grep -i blue


[ 2.216624] Bluetooth: Core ver 2.18


[ 2.216639] Bluetooth: HCI device and connection manager initialized


[ 2.216644] Bluetooth: HCI socket layer initialized


[ 2.216646] Bluetooth: L2CAP socket layer initialized


[ 2.216653] Bluetooth: SCO socket layer initialized


[ 2.237027] Bluetooth: Firmware file"ath3k-1.fw" not found


[ 2.414454] Bluetooth: BNEP (Ethernet Emulation) ver 1.3


[ 2.414457] Bluetooth: BNEP filters: protocol multicast


[ 2.414464] Bluetooth: BNEP socket layer initialized


[ 2.419758] Bluetooth: RFCOMM TTY layer initialized


[ 2.419767] Bluetooth: RFCOMM socket layer initialized


[ 2.419772] Bluetooth: RFCOMM ver 1.11



这可以通过以下方式解决:


sudo apt-get install linux-firmware





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