dmesg output when booting with the bluetooth adaptor enabled: ========================================= [ 3.057651] usb 2-1.6: default language 0x0409 [ 3.058022] usb 2-1.6: udev 4, busnum 2, minor = 131 [ 3.058025] usb 2-1.6: New USB device found, idVendor=0a5c, idProduct=4500 [ 3.058027] usb 2-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 3.058028] usb 2-1.6: Product: BCM2046B1 [ 3.058030] usb 2-1.6: Manufacturer: Broadcom [ 3.058184] usb 2-1.6: usb_probe_device [ 3.058187] usb 2-1.6: configuration #1 chosen from 1 choice [ 3.058281] usb 2-1.6: adding 2-1.6:1.0 (config #1, interface 0) [ 3.058304] hub 2-1.6:1.0: usb_probe_interface [ 3.058306] hub 2-1.6:1.0: usb_probe_interface - got id [ 3.058308] hub 2-1.6:1.0: USB hub found [ 3.058397] hub 2-1.6:1.0: 3 ports detected [ 3.058398] hub 2-1.6:1.0: compound device; port removable status: FFF [ 3.058400] hub 2-1.6:1.0: ganged power switching [ 3.058401] hub 2-1.6:1.0: global over-current protection [ 3.058403] hub 2-1.6:1.0: power on to power good time: 100ms [ 3.058645] hub 2-1.6:1.0: local power source is good [ 3.058646] hub 2-1.6:1.0: no over-current condition exists [ 3.058679] hub 2-1.6:1.0: enabling power on all ports [ 3.059059] hub 2-1:1.0: state 7 ports 8 chg 0000 evt 0040 [ 3.159264] hub 2-1.6:1.0: port 1: status 0101 change 0001 [ 3.159700] hub 2-1.6:1.0: port 2: status 0101 change 0001 [ 3.260103] usb 2-1.6: link qh128-0601/ffff880132b9f000 start 2 [1/2 us] [ 3.260207] hub 2-1.6:1.0: state 7 ports 3 chg 0006 evt 0000 [ 3.260460] hub 2-1.6:1.0: port 1, status 0101, change 0000, 12 Mb/s [ 3.322369] usb 2-1.6.1: new full-speed USB device number 5 using ehci-pci [ 3.402286] usb 2-1.6.1: ep0 maxpacket = 8 [ 3.406052] usb 2-1.6.1: skipped 1 descriptor after interface [ 3.406061] usb 2-1.6.1: udev 5, busnum 2, minor = 132 [ 3.406066] usb 2-1.6.1: New USB device found, idVendor=413c, idProduct=8157 [ 3.410409] usb 2-1.6.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.414973] usb 2-1.6.1: usb_probe_device [ 3.414980] usb 2-1.6.1: configuration #1 chosen from 1 choice [ 3.415189] usb 2-1.6.1: adding 2-1.6.1:1.0 (config #1, interface 0) [ 3.415244] usbhid 2-1.6.1:1.0: usb_probe_interface [ 3.415249] usbhid 2-1.6.1:1.0: usb_probe_interface - got id [ 3.417011] input: HID 413c:8157 as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6.1/2-1.6.1:1.0/input/input9 [ 3.421385] usb 2-1.6.1: link qh8-0601/ffff880132b9f180 start 3 [1/2 us] [ 3.421863] hid-generic 0003:413C:8157.0002: input,hidraw1: USB HID v1.11 Keyboard [HID 413c:8157] on usb-0000:00:1d.0-1.6.1/input0 [ 3.425188] hub 2-1.6:1.0: port 2, status 0101, change 0000, 12 Mb/s [ 3.487463] usb 2-1.6.2: new full-speed USB device number 6 using ehci-pci [ 3.567280] usb 2-1.6.2: ep0 maxpacket = 8 [ 3.571647] usb 2-1.6.2: skipped 1 descriptor after interface [ 3.571653] usb 2-1.6.2: skipped 1 descriptor after endpoint [ 3.571659] usb 2-1.6.2: udev 6, busnum 2, minor = 133 [ 3.571665] usb 2-1.6.2: New USB device found, idVendor=413c, idProduct=8158 [ 3.576412] usb 2-1.6.2: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.580713] usb 2-1.6.2: usb_probe_device [ 3.580719] usb 2-1.6.2: configuration #1 chosen from 1 choice [ 3.580941] usb 2-1.6.2: adding 2-1.6.2:1.0 (config #1, interface 0) [ 3.580995] usbhid 2-1.6.2:1.0: usb_probe_interface [ 3.580999] usbhid 2-1.6.2:1.0: usb_probe_interface - got id [ 3.584009] input: HID 413c:8158 as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6.2/2-1.6.2:1.0/input/input10 [ 3.589611] hid-generic 0003:413C:8158.0003: input,hidraw2: USB HID v1.11 Mouse [HID 413c:8158] on usb-0000:00:1d.0-1.6.2/input0 [ 3.594579] hub 2-1.6:1.0: state 7 ports 3 chg 0000 evt 0004 [ 7.130146] systemd-udevd[337]: starting version 215 [ 7.858385] [Firmware Bug]: ACPI: No _BQC method, cannot determine initial brightness [ 7.860878] acpi device:03: registered as cooling_device10 [ 7.860898] ACPI: Video Device [M86] (multi-head: yes rom: no post: no) [ 7.860936] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/device:01/LNXVIDEO:00/input/input11 [ 8.017200] ssb: Found chip with id 0x4312, rev 0x01 and package 0x00 [ 8.017216] ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x16, vendor 0x4243) [ 8.017232] ssb: Core 1 found: IEEE 802.11 (cc 0x812, rev 0x0F, vendor 0x4243) [ 8.017247] ssb: Core 2 found: PCMCIA (cc 0x80D, rev 0x0A, vendor 0x4243) [ 8.017260] ssb: Core 3 found: PCI-E (cc 0x820, rev 0x09, vendor 0x4243) [ 8.035406] systemd-udevd[357]: renamed network interface eth0 to enp11s0 [ 8.048441] ssb: Sonics Silicon Backplane found on PCI device 0000:05:00.0 [ 8.080914] cfg80211: Calling CRDA to update world regulatory domain [ 8.112127] firewire_ohci 0000:09:00.3: added OHCI v1.10 device as card 0, 4 IR + 4 IT contexts, quirks 0x11 [ 8.176025] uvcvideo 1-1.4:1.0: usb_probe_interface [ 8.176029] uvcvideo 1-1.4:1.0: usb_probe_interface - got id [ 8.176049] uvcvideo: Found UVC 1.00 device Laptop_Integrated_Webcam_2M (0c45:640e) [ 8.185008] input: Laptop_Integrated_Webcam_2M as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.0/input/input12 [ 8.185096] usbcore: registered new interface driver uvcvideo [ 8.185097] USB Video Class driver (1.1.1) [ 8.197052] b43-phy0: Broadcom 4312 WLAN found (core revision 15) [ 8.212362] b43-phy0: Found PHY: Analog 6, Type 5 (LP), Revision 1 [ 8.212380] b43-phy0 debug: Found Radio: Manuf 0x17F, Version 0x2062, Revision 2 [ 8.219615] Broadcom 43xx driver loaded [ Features: PL ] [ 8.290187] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht' [ 8.370062] usb 1-1.4: link qh4-0001/ffff8801322e3700 start 2 [1/0 us] [ 8.370140] usb 1-1.4: unlink qh4-0001/ffff8801322e3700 start 2 [1/0 us] [ 8.520850] usbhid 2-1.6.2:1.0: disconnect by usbfs [ 8.529304] snd_hda_intel 0000:00:1b.0: irq 47 for MSI/MSI-X [ 8.539571] hub 2-1.6:1.0: state 7 ports 3 chg 0000 evt 0008 [ 8.539939] hub 2-1.6:1.0: port 3, status 0101, change 0001, 12 Mb/s [ 8.575620] input: HDA Intel MID Headphone Surround as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15 [ 8.575725] input: HDA Intel MID Headphone Front as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14 [ 8.575812] input: HDA Intel MID Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13 [ 8.576198] snd_hda_intel 0000:02:00.1: irq 48 for MSI/MSI-X [ 8.613717] firewire_core 0000:09:00.3: created device fw0: GUID 324fc0003941ca41, S400 [ 8.644631] hub 2-1.6:1.0: debounce: port 3: total 100ms stable 100ms status 0x101 [ 8.665934] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/0000:02:00.1/sound/card1/input16 [ 8.706694] usb 2-1.6.3: new full-speed USB device number 7 using ehci-pci [ 8.784137] usb 2-1.6.3: skipped 1 descriptor after interface [ 8.784470] usb 2-1.6.3: default language 0x0409 [ 8.785360] usb 2-1.6.3: udev 7, busnum 2, minor = 134 [ 8.785366] usb 2-1.6.3: New USB device found, idVendor=413c, idProduct=8156 [ 8.785371] usb 2-1.6.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 8.785376] usb 2-1.6.3: Product: Dell Wireless 370 Bluetooth Mini-card [ 8.785380] usb 2-1.6.3: Manufacturer: Dell Computer Corp [ 8.785649] usb 2-1.6.3: usb_probe_device [ 8.785655] usb 2-1.6.3: configuration #1 chosen from 1 choice [ 8.785854] usb 2-1.6.3: adding 2-1.6.3:1.0 (config #1, interface 0) [ 8.786016] usb 2-1.6.3: adding 2-1.6.3:1.1 (config #1, interface 1) [ 8.786119] usb 2-1.6.3: adding 2-1.6.3:1.2 (config #1, interface 2) [ 8.786233] usb 2-1.6.3: adding 2-1.6.3:1.3 (config #1, interface 3) [ 8.786382] hub 2-1.6:1.0: state 7 ports 3 chg 0000 evt 0008 [ 9.043651] Bluetooth: Core ver 2.16 [ 9.043666] NET: Registered protocol family 31 [ 9.043667] Bluetooth: HCI device and connection manager initialized [ 9.043674] Bluetooth: HCI socket layer initialized [ 9.043676] Bluetooth: L2CAP socket layer initialized [ 9.043681] Bluetooth: SCO socket layer initialized [ 9.096201] btusb 2-1.6.3:1.0: usb_probe_interface [ 9.096204] btusb 2-1.6.3:1.0: usb_probe_interface - got id [ 9.096538] btusb 2-1.6.3:1.2: usb_probe_interface [ 9.096541] btusb 2-1.6.3:1.2: usb_probe_interface - got id [ 9.096549] btusb 2-1.6.3:1.3: usb_probe_interface [ 9.096551] btusb 2-1.6.3:1.3: usb_probe_interface - got id [ 9.096568] usbcore: registered new interface driver btusb [ 9.096742] usb 2-1.6.3: link qh1-3008/ffff8801325a7b00 start 0 [1/2 us] [ 9.112568] cfg80211: World regulatory domain updated: [ 9.112569] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 9.112571] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 9.112572] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 9.112573] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [ 9.112574] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 9.112576] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 10.817111] usb 1-1.4: usb auto-suspend, wakeup 0 [ 10.827718] hub 1-1:1.0: hub_suspend [ 10.827730] usb 1-1: unlink qh256-0001/ffff8801325a7e80 start 1 [1/0 us] [ 10.830206] usb 1-1: usb auto-suspend, wakeup 1 [ 10.840734] hub 1-0:1.0: hub_suspend [ 10.840762] usb usb1: bus auto-suspend, wakeup 1 [ 10.840767] ehci-pci 0000:00:1a.0: suspend root hub [ 11.145027] usb 2-1.6.3: unlink qh1-3008/ffff8801325a7b00 start 0 [1/2 us] [ 11.147640] usb 2-1: clear tt buffer port 6, a7 ep2 t04048d80 [ 13.212602] EXT4-fs (sda7): re-mounted. Opts: (null) [ 13.525170] Adding 4200960k swap on /dev/sda5. Priority:-1 extents:1 across:4200960k FS [ 13.686396] EXT4-fs (sda6): warning: maximal mount count reached, running e2fsck is recommended [ 13.687519] EXT4-fs (sda6): mounted filesystem with ordered data mode. Opts: (null) [ 13.759658] EXT4-fs (sda8): warning: mounting unchecked fs, running e2fsck is recommended [ 13.760749] EXT4-fs (sda8): mounted filesystem with ordered data mode. Opts: (null) [ 13.803296] EXT4-fs (sda9): mounted filesystem with ordered data mode. Opts: (null) [ 15.966445] microcode: CPU0 sig=0x106e5, pf=0x10, revision=0x3 [ 15.967182] microcode: CPU0 updated to revision 0x6, date = 2013-07-01 [ 15.967518] microcode: CPU1 sig=0x106e5, pf=0x10, revision=0x3 [ 15.968193] microcode: CPU1 updated to revision 0x6, date = 2013-07-01 [ 15.968403] microcode: CPU2 sig=0x106e5, pf=0x10, revision=0x3 [ 15.968648] microcode: CPU2 updated to revision 0x6, date = 2013-07-01 [ 15.968969] microcode: CPU3 sig=0x106e5, pf=0x10, revision=0x3 [ 15.969645] microcode: CPU3 updated to revision 0x6, date = 2013-07-01 [ 15.969984] microcode: CPU4 sig=0x106e5, pf=0x10, revision=0x3 [ 15.970640] microcode: CPU4 updated to revision 0x6, date = 2013-07-01 [ 15.971035] microcode: CPU5 sig=0x106e5, pf=0x10, revision=0x3 [ 15.971673] microcode: CPU5 updated to revision 0x6, date = 2013-07-01 [ 15.971881] microcode: CPU6 sig=0x106e5, pf=0x10, revision=0x3 [ 15.972122] microcode: CPU6 updated to revision 0x6, date = 2013-07-01 [ 15.972437] microcode: CPU7 sig=0x106e5, pf=0x10, revision=0x3 [ 15.973095] microcode: CPU7 updated to revision 0x6, date = 2013-07-01 [ 16.812495] tg3 0000:0b:00.0: irq 49 for MSI/MSI-X [ 16.921244] IPv6: ADDRCONF(NETDEV_UP): enp11s0: link is not ready [ 17.495212] b43-phy0: Loading firmware version 666.2 (2011-02-23 01:15:07) [ 17.498339] b43-phy0 debug: b2062: Using crystal tab entry 19200 kHz. [ 18.884113] b43-phy0 debug: Chip initialized [ 18.884436] b43-phy0 debug: 64-bit DMA initialized [ 18.884678] b43-phy0 debug: QoS disabled [ 18.894103] b43-phy0 debug: Wireless interface started [ 18.898551] b43-phy0 debug: Adding Interface type 2 [ 18.899343] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 19.156303] cfg80211: Calling CRDA for country: EU [ 20.372687] wlan0: authenticate with 02:ac:54:e2:c8:8a [ 20.381840] wlan0: send auth to 02:ac:54:e2:c8:8a (try 1/3) [ 20.384413] wlan0: authenticated [ 20.385668] wlan0: associate with 02:ac:54:e2:c8:8a (try 1/3) [ 20.388448] wlan0: RX AssocResp from 02:ac:54:e2:c8:8a (capab=0x421 status=0 aid=1) [ 20.389136] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 20.389219] wlan0: associated [ 22.311831] cfg80211: Calling CRDA to update world regulatory domain [ 22.314910] cfg80211: World regulatory domain updated: [ 22.314914] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 22.314919] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 22.314923] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 22.314927] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [ 22.314931] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 22.314935] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 24.237213] nr_pdflush_threads exported in /proc is scheduled for removal [ 24.237354] sysctl: The scan_unevictable_pages sysctl/node-interface has been disabled for lack of a legitimate use case. If you have one, please send an email to linux-mm@kvack.org. [ 25.329273] usb 2-1.2: link qh8-0601/ffff880132251f80 start 5 [1/2 us] =========================================