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[Günther Jakob <gjakob@xxxxxxxxxxx>]

The problem still seems to be there even with the latest 3.12 kernel.
I am using a Scientific Linux 6 system, which originally uses a 2.6.32 kernel that does not provide the ath3k.ko module "out-of-the-box".
My experience is the following: When I power-on my system with the latest 3.12 kernel, the firmware of my Atheros AR3011 Bluetooth adapter (stored in the file /lib/firmware/ath3k-1.fw) obviously gets loaded properly with the kernel module ath3k.ko, since the "lsusb" command issued after system boot lists this adapter without any "complaints" about any missing firwware, which - in contrast to this - is the case when I boot kernel 2.6.32 directly after powering on my system.
However, even though the firmware seems to be loaded with kernel 3.12, the system is not able to use this bluetooth adapter. If I then just perform a system restart without any power interrupt in between (which obviously keeps the firmware inside of the adapter's RAM) and boot kernel 2.6.32 (which does not have the ath3k.ko, but "only" the btusb.ko module), my Atheros bluetooth adapter can be used by the system and I can successfully communicate with my various cell phones via the bluetooth interface....

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https://bugs.launchpad.net/bugs/1054307

Title:
  ATH3012 bluetooth not working

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Precise:
  Fix Released
Status in “linux” source package in Quantal:
  Fix Released

Bug description:
  The problem is related to btusb and ath3k modules.

  I've prepared a patch that corrects the bug for kernel
  3.2.0-30-generic, but I suppose it can be easily extended to any
  kernel version.

  Other chips (with different VID:PID) may suffer the same problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-30-generic 3.2.0-30.48 [modified: lib/modules/3.2.0-30-generic/kernel/drivers/bluetooth/ath3k.ko lib/modules/3.2.0-30-generic/kernel/drivers/bluetooth/btusb.ko]
  ProcVersionSignature: Ubuntu 3.2.0-30.48-generic 3.2.27
  Uname: Linux 3.2.0-30-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu12
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC275 Analog [ALC275 Analog]
     Subdevices: 0/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  giorgio    1844 F.... pulseaudio
   /dev/snd/controlC0:  giorgio    1844 F.... pulseaudio
   /dev/snd/pcmC0D0c:   giorgio    1844 F...m pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7a00000 irq 51'
     Mixer name	: 'Realtek ALC275'
     Components	: 'HDA:10ec0275,104d5e00,00100005'
     Controls      : 23
     Simple ctrls  : 12
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xf5080000 irq 17'
     Mixer name	: 'Nvidia GPU 14 HDMI/DP'
     Components	: 'HDA:10de0014,104d5e00,00100100'
     Controls      : 24
     Simple ctrls  : 4
  Date: Fri Sep 21 21:38:03 2012
  HibernationDevice: RESUME=UUID=adeedf19-32e6-4fde-8fc4-a63b483feceb
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: Sony Corporation VPCF23P1E
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-30-generic root=UUID=7e25b399-4554-43b0-a530-029a0b59b59a ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-30-generic N/A
   linux-backports-modules-3.2.0-30-generic  N/A
   linux-firmware                            1.79.1
  SourcePackage: linux
  StagingDrivers: mei
  UpgradeStatus: Upgraded to precise on 2012-04-30 (144 days ago)
  dmi.bios.date: 07/22/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: R2150V3
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR2150V3:bd07/22/2011:svnSonyCorporation:pnVPCF23P1E:pvrC60A08Q2:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: VPCF23P1E
  dmi.product.version: C60A08Q2
  dmi.sys.vendor: Sony Corporation

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