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[klock <tehklockinator@xxxxxxxxx>]

I've been dealing with this issue as well. I'm on the 3.11.0-19-generic
kernel, nothing like adding Enable=Socket to /etc/bluetooth/audio.conf
worked, etc. I finally managed to get it working by following the steps
in the second answer in this entry by user165648 EXACTLY:
http://askubuntu.com/questions/287254/ubuntu-13-04-bluetooth-a2dp-does-
not-work

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https://bugs.launchpad.net/bugs/1092693

Title:
  cannot use A2DP profile on LG tone+ HBS-730 headset

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  When attempting to connect to a bluetooth headset from a laptop
  equipped with a CSR BS8510 bluetooth adapter (found in a RTL8188CEB8
  mini-pci-express device), I get the following in syslog. KDE /
  bluedevil reports I have successfully connected to the device, but
  pulseaudio / kmix does not show that the device is connected. Ubuntu
  12.10, bluez 4.101-0ubuntu6

   Dec 20 14:24:39 ben-HP-Pavilion-dm4-Notebook-PC bluetoothd[14436]: Badly formated or unrecognized command: AT+BIA=0,0,0,1,1,1,0
  Dec 20 14:24:41 ben-HP-Pavilion-dm4-Notebook-PC bluetoothd[14436]: Operation not supported (95)
  Dec 20 14:24:41 ben-HP-Pavilion-dm4-Notebook-PC pulseaudio[14301]: [pulseaudio] bluetooth-util.c: Failed to acquire transport fd: Input/output error
  Dec 20 14:24:41 ben-HP-Pavilion-dm4-Notebook-PC pulseaudio[14301]: [pulseaudio] module.c: Failed to load module "module-bluetooth-device" (argument: "address="00:18:6B:15:AC:DC" path="/org/bluez/14436/hci0/dev_00_18_6B_15_AC_DC""): initialization failed.
  Dec 20 14:24:41 ben-HP-Pavilion-dm4-Notebook-PC kernel: [25660.054153] input: 00:18:6B:15:AC:DC as /devices/virtual/input/input14

  Initially, this seemed similar to https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1065400 or to https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=827692, but ultimately I beleive this is a different issue, since the chipset and unrecognized command are diffrent respectively.
  --- 
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ben       14301 F.... pulseaudio
  DistroRelease: Ubuntu 12.10
  HibernationDevice: RESUME=UUID=cfaa0aef-50a0-42c5-aa85-a1f6e060bcd4
  InstallationDate: Installed on 2012-11-01 (49 days ago)
  InstallationMedia: This
  MachineType: Hewlett-Packard HP Pavilion dm4 Notebook PC
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-19-generic root=UUID=4d3bbeef-14d0-4ef1-a45a-663fa6ea1fb1 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-19-generic N/A
   linux-backports-modules-3.5.0-19-generic  N/A
   linux-firmware                            1.95
  Tags:  quantal
  Uname: Linux 3.5.0-19-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 02/14/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.26
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 146A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 58.28
  dmi.chassis.asset.tag: CNU0440X2W
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.26:bd02/14/2011:svnHewlett-Packard:pnHPPaviliondm4NotebookPC:pvr0587110002242B10000022100:rvnHewlett-Packard:rn146A:rvr58.28:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion dm4 Notebook PC
  dmi.product.version: 0587110002242B10000022100
  dmi.sys.vendor: Hewlett-Packard

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