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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1353913

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

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

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

Title:
  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

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