我最近为我的新台式机购买了 GC-wb867d-i 无线网卡。wifi 部分运行良好，但蓝牙不工作。以下是一些诊断信息：
$ uname -a:
Linux chi-ubuntu 4.4.0-66-generic #87-Ubuntu SMP Fri Mar 3 15:29:05 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
$ rfkill list all:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
$ lsusb; dmesg | egrep -i 'blue|firm':
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 002: ID 0424:5744 Standard Microsystems Corp.
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 0424:2744 Standard Microsystems Corp.
Bus 001 Device 008: ID 04d9:1818 Holtek Semiconductor, Inc.
Bus 001 Device 007: ID 05ac:12a8 Apple, Inc. iPhone5/5C/5S/6
Bus 001 Device 006: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 005: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 004: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 003: ID 8087:0a2b Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[ 0.147778] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 2.262423] Bluetooth: Core ver 2.21
[ 2.262431] Bluetooth: HCI device and connection manager initialized
[ 2.262433] Bluetooth: HCI socket layer initialized
[ 2.262434] Bluetooth: L2CAP socket layer initialized
[ 2.262437] Bluetooth: SCO socket layer initialized
[ 2.268137] Bluetooth: HCI UART driver ver 2.3
[ 2.268139] Bluetooth: HCI UART protocol H4 registered
[ 2.268140] Bluetooth: HCI UART protocol BCSP registered
[ 2.268140] Bluetooth: HCI UART protocol LL registered
[ 2.268141] Bluetooth: HCI UART protocol ATH3K registered
[ 2.268141] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 2.268158] Bluetooth: HCI UART protocol Intel registered
[ 2.268166] Bluetooth: HCI UART protocol BCM registered
[ 2.268167] Bluetooth: HCI UART protocol QCA registered
[ 2.338484] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-8000C-19.ucode failed with error -2
[ 2.338496] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-8000C-18.ucode failed with error -2
[ 2.338852] iwlwifi 0000:03:00.0: Direct firmware load for iwlwifi-8000C-17.ucode failed with error -2
[ 2.349462] iwlwifi 0000:03:00.0: loaded firmware version 16.242414.0 op_mode iwlmvm
[ 2.367686] snd_hda_codec mac80211 snd_hda_core snd_hwdep snd_pcm aesni_intel(+) snd_seq_midi snd_seq_midi_event aes_x86_64 snd_rawmidi lrw gf128mul iwlwifi glue_helper ablk_helper snd_seq cryptd snd_seq_device snd_timer cfg80211 snd serio_raw soundcore shpchp btusb btrtl mei_me mei hci_uart btbcm btqca btintel bluetooth 8250_fintek intel_lpss_acpi intel_lpss mac_hid acpi_als kfifo_buf industrialio acpi_pad parport_pc ppdev lp parport autofs4 mxm_wmi i915_bpo intel_ips i2c_algo_bit drm_kms_helper e1000e psmouse syscopyarea sysfillrect ptp sysimgblt fb_sys_fops pps_core drm ahci libahci wmi video pinctrl_sunrisepoint pinctrl_intel i2c_hid hid fjes
[ 3.623731] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 3.623733] Bluetooth: BNEP filters: protocol multicast
[ 3.623736] Bluetooth: BNEP socket layer initialized
[ 4.301904] Bluetooth: hci0 command 0xfc05 tx timeout
[ 12.298070] Bluetooth: hci0: Reading Intel version information failed (-110)
[ 14.302048] Bluetooth: hci0 command 0xfc05 tx timeout
[ 22.298394] Bluetooth: hci0: Reading Intel version information failed (-110)
看起来卡的固件不起作用。有人知道吗？
顺便说一句。我在这台机器上安装了双操作系统。win10 和 ubuntu 16.04 LTS。在 win10 下，wifi 和蓝牙都可以正常工作。