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[James Brierley <1072234@xxxxxxxxxxxxxxxxxx>]

* manually adding every USB device to /etc/sysfs.conf
* adding usbcore.autosuspend = -1 to the kernel's boot arguments
* disabling /usr/lib/pm-utils/usb_bluetooth

...all do not help.

I'm fairly lost.

** Tags added: saucy

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

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https://bugs.launchpad.net/bugs/1072234

Title:
  050d:0017 Bluetooth mouse randomly disconnects

Status in “linux” package in Ubuntu:
  New

Bug description:
  Since upgrading to Quantal, my Belkin bluetooth mouse disconnects
  sporadically from my computer. Sometimes this will happen several
  times a day, at other times it will stay connected for almost the
  entire day without a problem.

  After the connection is dropped, Bluetooth seems to become
  unresponsive. Generally unplugging and replugging the USB adapter is
  necessary to return it to a usable state.

  It was extremely reliable under Precise.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: bluetooth 4.101-0ubuntu6
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  Date: Sat Oct 27 23:58:59 2012
  InstallationDate: Installed on 2012-03-08 (233 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  InterestingModules: bnep rfcomm btusb bluetooth
  MachineType: System manufacturer System Product Name
  MarkForUpload: True
  PackageArchitecture: all
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=62a1305b-ef07-4168-8292-c82e0718a496 ro quiet splash vt.handoff=7
  SourcePackage: bluez
  UpgradeStatus: Upgraded to quantal on 2012-10-20 (7 days ago)
  dmi.bios.date: 07/23/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2105
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M4A785TD-V EVO
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2105:bd07/23/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A785TD-VEVO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  hciconfig:
   hci0:	Type: BR/EDR  Bus: USB
   	BD Address: 00:19:0E:0A:2A:A1  ACL MTU: 1021:8  SCO MTU: 64:1
   	UP RUNNING PSCAN ISCAN 
   	RX bytes:458652 acl:26915 sco:0 events:74 errors:0
   	TX bytes:1125 acl:19 sco:0 commands:29 errors:0

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