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[Michael Heuberger <michael.heuberger@xxxxxxxxxxxxxxxxx>]

Thx Joseph. Not sure which one .deb file I should install from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.16-utopic/ ?

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https://bugs.launchpad.net/bugs/1353913

Title:
  [Core i7 920 / Bloomfield] perf_event_intel: CPUID marked event: 'bus
  cycles' unavailable

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  In the dmesg output for my Ubuntu 14.04 kernel I see these lines,
  saying that bus cycles are unavailabe:

  [    0.198024] Performance Events: PEBS fmt1+, 16-deep LBR, Nehalem events, Intel PMU driver.
  [    0.198029] perf_event_intel: CPU erratum AAJ80 worked around
  [    0.198031] perf_event_intel: CPUID marked event: 'bus cycles' unavailable
  [    0.198033] ... version:                3
  [    0.198034] ... bit width:              48
  [    0.198035] ... generic registers:      4
  [    0.198036] ... value mask:             0000ffffffffffff
  [    0.198037] ... max period:             000000007fffffff
  [    0.198038] ... fixed-purpose events:   3
  [    0.198039] ... event mask:             000000070000000f

  Any ideas how I can make them available?

  Thanks
  Michael
  --- 
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  michael.heuberger   2085 F.... pulseaudio
   /dev/snd/controlC2:  michael.heuberger   2085 F.... pulseaudio
   /dev/snd/controlC0:  michael.heuberger   2085 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=4bbd9d93-8982-4c0a-a955-0554ee12e4f8
  InstallationDate: Installed on 2014-05-01 (98 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: System manufacturer System Product Name
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=47ab151a-c47d-4eff-ab5b-7751fc32014d ro quiet
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-32-generic N/A
   linux-backports-modules-3.13.0-32-generic  N/A
   linux-firmware                             1.127.5
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: yes
   	Hard blocked: no
  Tags:  trusty
  Uname: Linux 3.13.0-32-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin mail plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 05/10/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0701
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P6X58D-E
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0701:bd05/10/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6X58D-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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