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["Jeb E." <460743@xxxxxxxxxxxxxxxxxx>]

I'm getting similar issues again with my current Bluetooth dongle...
Ubuntu, Debian, and Linux Mint all recognize it now, but the connection
is very unstable, sending and receiving files may work or may not work,
and if they do, the files usually time out mid-transmission.

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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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:
  Confirmed
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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