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[cyd <460743@xxxxxxxxxxxxxxxxxx>]

bug still present: hci0 is UP, but i can't scan for any devices.
Ubuntu 13.04 x64 full updated

also tested with kernel 3.10, issue remains the same :'(

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https://bugs.launchpad.net/bugs/460743

Title:
  0a12:0001 Cambridge Silicon Radio Bluetooth Dongle not working

Status in The Linux Kernel:
  Confirmed
Status in “linux” package in Ubuntu:
  Incomplete
Status in “linux” package in Fedora:
  Unknown

Bug description:
  I tried to connect an usb bluetooth dongle of this type on Ubuntu Karmic on a 64 bit system:
  Bus 006 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)

  This device doesn't work, I always get from the kernel this error:
  command tx timeout

  I tried this on 2 (different) x64 systems, with the stock kernel (2.6.31-14-generic) and the new 2.6.32-rc5 kernel. Both show the same behaviour.
  I also tried this with the stock bluez/libbluetooth etc and with the newest version from the Blueman PPA repository, also all with the same result.

  When I tried the dongles (I have two of them) on a 32 bit system,
  everything worked perfectly. (Also Karmic)

  So I expect there is a bug somewhere in the 64 bit version.

  I looked throughout the whole google searchable part of the internet
  to find more information. All people with a such-like problems had
  different causes apparently then mine, because none of the plentyful
  of 'tricks' didn't work.

  DMESG:
  Oct 26 00:45:59 Tolnedra bluetoothd[1722]: HCI dev 0 registered
  Oct 26 00:45:59 Tolnedra kernel: [235886.939096] Bluetooth: Generic Bluetooth USB driver ver 0.5
  Oct 26 00:45:59 Tolnedra kernel: [235886.939226] usbcore: registered new interface driver btusb
  Oct 26 00:46:19 Tolnedra bluetoothd[1722]: Can't init device hci0: Connection timed out (110)
  Oct 26 00:46:20 Tolnedra NetworkManager:    SCPlugin-Ifupdown: devices removed (path: /sys/devices/virtual/net/pan0, iface: pan0)
  Oct 26 00:46:20 Tolnedra bluetoothd[1722]: bridge pan0 removed
  Oct 26 00:46:20 Tolnedra bluetoothd[1722]: Stopping SDP server
  Oct 26 00:46:20 Tolnedra bluetoothd[1722]: Exit
  ---
  AlsaVersion:
   Advanced Linux Sound Architecture Driver Version 1.0.22.1.
   Compiled on Apr 14 2010 for kernel 2.6.32-21-generic (SMP).
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: MID [HDA Intel MID], device 0: ALC269 Analog [ALC269 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: MID [HDA Intel MID], device 0: ALC269 Analog [ALC269 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  maarten    1556 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'MID'/'HDA Intel MID at 0xf3f38000 irq 23'
     Mixer name	: 'Realtek ALC269'
     Components	: 'HDA:10ec0269,104383ce,00100004'
     Controls      : 12
     Simple ctrls  : 7
  CheckboxSubmission: 3415c5cb481fb0dbb00abeaa1eb17e22
  CheckboxSystem: b62ae224500b03a9fc2c9b6caf3feb14
  DistroRelease: Ubuntu 10.04
  HibernationDevice: RESUME=UUID=113ebde9-392f-4d09-8142-e01a7e4fc4e1
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
  MachineType: ASUSTeK Computer INC. 1101HA
  Package: linux (not installed)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-21-generic root=UUID=fe2c3e7b-f1a4-4102-804a-5c06d5ef88e8 ro quiet splash mem=2000mb acpi_osi=Linux acpi_enforce_resources=lax
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-21.32-generic 2.6.32.11+drm33.2
  Regression: No
  RelatedPackageVersions: linux-firmware 1.34
  Reproducible: Yes
  Tags: lucid  needs-upstream-testing
  Uname: Linux 2.6.32-21-generic i686
  UserGroups: adm admin cdrom dialout fuse lpadmin plugdev pulse pulse-access sambashare
  dmi.bios.date: 11/05/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0322
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: 1101HA
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: x.xx
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTek Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0322:bd11/05/2009:svnASUSTeKComputerINC.:pn1101HA:pvrx.x:rvnASUSTeKComputerINC.:rn1101HA:rvrx.xx:cvnASUSTekComputerINC.:ct10:cvrx.x:
  dmi.product.name: 1101HA
  dmi.product.version: x.x
  dmi.sys.vendor: ASUSTeK Computer INC.

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