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[Simone Fabris <1336179@xxxxxxxxxxxxxxxxxx>]

Also, I noticed this entries in dmesg:

[   25.618865] Bluetooth: Error in firmware loading err = -110,len = 448, size = 4096
[   25.618873] Bluetooth: Loading patch file failed
[   25.618879] ath3k: probe of 3-5:1.0 failed with error -110
[   25.618919] usbcore: registered new interface driver ath3k

So, this could be related to firmware uploading...

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https://bugs.launchpad.net/bugs/1336179

Title:
  [Asus N550JV] Bluetooth  working intermittently  AR9485

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu is the only OS in this machine.
  Bluetooth is not recognized after boot.

  In order to have Bluetooth working, I have to reboot several times
  (sudo reboot), usually between 3 to 5 times before having a working
  bluetooth.

  The attached system information were collected with WORKING bluetooth.

  Simone

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.54
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  sf         3471 F.... pulseaudio
   /dev/snd/controlC1:  sf         3471 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jul  1 09:25:17 2014
  HibernationDevice: RESUME=UUID=b428f4ee-7e0b-40a8-96a8-99f409fe6505
  InstallationDate: Installed on 2014-06-20 (10 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: ASUSTeK COMPUTER INC. N550JV
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic.efi.signed root=UUID=54c2af9c-f274-4860-8780-39b756a19cc7 ro quiet splash acpi_osi= vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware                             1.127.4
  SourcePackage: linux
  StagingDrivers: rts5139
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/19/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: N550JV.208
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: N550JV
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN550JV.208:bd11/19/2013:svnASUSTeKCOMPUTERINC.:pnN550JV:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN550JV:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: N550JV
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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