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[Aldo Nogueira <aldo.nogueira@xxxxxxxxx>]

I have tried kernel 3.14.1 on Ubuntu 14.04 and then hci0 was finally up
and I could connect it to my old wiimote, but since my main goal was to
connect to the new Wii U pro controller and it didn't pair, I decided to
buy a new bluetooth adapter. This time, I reverted the kernel to the
default 3.13. It worked fine and paired with the controller as well. To
my surprise, both adapters get listed as the same model with lsusb:

$ lsusb | grep Bluetooth
Bus 002 Device 005: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 002 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

When listed with hciconfig, hci0 is up, hci1 is down and any attempt to
initialize it gets an "Operation not supported (95)"

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https://bugs.launchpad.net/bugs/1314621

Title:
  0a12:0001 [Lenovo G580] Bluetooth Dongle (Cambridge Silicon Radio,
  Ltd) doesnt work on ubuntu 14.04

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Bluetooth Dongle (Cambridge Silicon Radio, Ltd) doesnt work on ubuntu
  14.04

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified: boot/vmlinuz-3.13.0-24-generic]
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sperruolo   1976 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Apr 30 09:42:34 2014
  HibernationDevice: RESUME=UUID=7baca90b-9427-4acc-b9b4-cb02bf839380
  InstallationDate: Installed on 2014-04-25 (4 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: LENOVO 20157
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=d3f21774-ccf3-4a73-bce6-f1b73a6d73de ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/16/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 62CN89WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Lenovo G580
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900003WIN8 STD MLT
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo G580
  dmi.modalias: dmi:bvnLENOVO:bvr62CN89WW:bd08/16/2012:svnLENOVO:pn20157:pvrLenovoG580:rvnLENOVO:rnLenovoG580:rvr31900003WIN8STDMLT:cvnLENOVO:ct10:cvrLenovoG580:
  dmi.product.name: 20157
  dmi.product.version: Lenovo G580
  dmi.sys.vendor: LENOVO

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