Public bug reported:

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.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug staging trusty

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

Title:
  Bluetooth  working intermittently  (AR9485 on Asus N550JV)

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