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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

They should not be linked.  Strange indeed.  Can you apply all of hte
latest Trusty updates, so you are running the current release and see if
this bug still exists?

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https://bugs.launchpad.net/bugs/1304808

Title:
  All USB ports/devices randomly stop working

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I do not know how to reliably reproduce this, but since an update in
  trusty a couple of days ago I am getting a random USB device stop
  working and then they all start going one by one.  The mouse and
  keyboard included in this of course.

  This has happened to me before and it was fixed in saucy.  This is a
  regression.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-23-generic 3.13.0-23.45
  ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8
  Uname: Linux 3.13.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ed         2480 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Apr  9 15:07:40 2014
  HibernationDevice: RESUME=UUID=73dd7b46-df18-4ae4-9a16-7e635959e1b1
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
   
   virbr0    no wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-23-generic root=UUID=38c98076-521e-408e-af6a-2e8e00de0f05 ro nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-23-generic N/A
   linux-backports-modules-3.13.0-23-generic  N/A
   linux-firmware                             1.127
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-01-20 (78 days ago)
  dmi.bios.date: 05/28/2008
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: ASUS M3N72-D ACPI BIOS Revision 0202
  dmi.board.name: M3N72-D
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: 1.XX
  dmi.chassis.asset.tag: 123456789000
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSM3N72-DACPIBIOSRevision0202:bd05/28/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM3N72-D:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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